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Researcher
Dirk de Graaf
Profile
Projects
Publications
Activities
Awards & Distinctions
192
Results
2024
Allele frequencies of genetic variants associated with Varroa drone brood resistance (DBR) in Apis mellifera subspecies across the European continent
Regis Lefebre
Lina De Smet
Anja Tehel
Robert J. Paxton
Emma Bossuyt
Wim Verbeke
Coby van Dooremalen
Zeynep N. Ulgezen
Trudy van den Bosch
Famke Schaafsma
et al.
A1
Journal Article
in
INSECTS
2024
Bridging the gap between field experiments and machine learning : the EC H2020 B-GOOD project as a case study towards automated predictive health monitoring of honey bee colonies
Coby van Dooremalen
Zeynep N. Ulgezen
Raffaele Dall’Olio
Ugoline Godeau
Xiaodong Duan
José Paulo Sousa
Marc O. Schäfer
Alexis Beaurepaire
Pim van Gennip
Marten Schoonman
et al.
A1
Journal Article
in
INSECTS
2024
Comprehensive approach to phenotype Varroa destructor reproduction in honey bee drone brood and its correlation with decreased mite reproduction (DMR)
Regis Lefebre
David Claeys Boúúaert
Emma Bossuyt
Lina De Smet
Marleen Brunain
Ellen Danneels
Dirk de Graaf
A1
Journal Article
in
INSECTS
2024
Eggs sampling as an effective tool for identifying the incidence of viruses in honey bees involved in artificial queen rearing
Caio E. C. Domingues
Laura Šimenc
Ivan Toplak
Dirk de Graaf
Lina De Smet
Wim Verbeke
Luc Peelman
Leticia S. Ansaloni
Aleš Gregorc
A1
Journal Article
in
SCIENTIFIC REPORTS
2024
European beekeepers’ interest in digital monitoring technology adoption for improved beehive management
Wim Verbeke
Mariam Amadou Diallo
Coby van Dooremalen
Marten Schoonman
James H. Williams
Marie Van Espen
Marijke D'Haese
Dirk de Graaf
A1
Journal Article
in
COMPUTERS AND ELECTRONICS IN AGRICULTURE
2024
Known and novel viruses in Belgian honey bees : yearly differences, spatial clustering, and associations with overwintering loss
Ward Deboutte
Lina De Smet
Marleen Brunain
Nikolas Basler
Riet De Rycke
Lena Smets
Dirk de Graaf
Jelle Matthijnssens
A1
Journal Article
in
MICROBIOLOGY SPECTRUM
2024
Population-wide modelling reveals prospects of marker-assisted selection for parasitic mite resistance in honey bees
Regis Lefebre
Bart Broeckx
Lina De Smet
Luc Peelman
Dirk de Graaf
A1
Journal Article
in
SCIENTIFIC REPORTS
2024
Quantitative assessments of honeybee colony’s response to an artificial vibrational pulse resulting in non-invasive measurements of colony’s overall mobility and restfulness
Martin Bencsik
Adam McVeigh
David Claeys Boúúaert
Nuno Capela
Frederick Penny
Michael Ian Newton
José Paulo Sousa
Dirk de Graaf
A1
Journal Article
in
SCIENTIFIC REPORTS
2024
Shift in virus composition in honeybees (Apis mellifera) following worldwide invasion by the parasitic mite and virus vector Varroa destructor
Vincent Doublet
Melissa A. Y. Oddie
Fanny Mondet
Eva Forsgren
Bjørn Dahle
Elisabeth Furuseth-Hansen
Geoffrey R. Williams
Lina De Smet
Myrsini E. Natsopoulou
Tomás E. Murray
et al.
A1
Journal Article
in
ROYAL SOCIETY OPEN SCIENCE
2024
System mapping of the production and value chain to explore beekeeping potential in Southwest Ethiopia
Mulubrihan Bayissa Tullu
Ludwig Lauwers
Fikadu Mitiku
Dirk de Graaf
Wim Verbeke
A1
Journal Article
in
INSECTS
2024
The Better-B project aims to restore the resilience of honey bees
Dirk de Graaf
A2
Journal Article
in
BEE WORLD
2024
2023
Beekeeping in Europe facing climate change : a mixed methods study on perceived impacts and the need to adapt according to stakeholders and beekeepers
Marie Van Espen
James H. Williams
Fátima Alves
Yung Hung
Dirk de Graaf
Wim Verbeke
A1
Journal Article
in
SCIENCE OF THE TOTAL ENVIRONMENT
2023
Can a simple selection program predict winter mortality? Preliminary evaluation of the Flemish honey bee breeding program steers towards selection by exclusion
David Claeys Boúúaert
Ellen Danneels
Valérie Villers
Marleen Brunain
Regis Lefebre
Lina De Smet
Dirk de Graaf
A2
Journal Article
in
BEE WORLD
2023
Convivina is a specialised core gut symbiont of the invasive hornet Vespa velutina
Gowri Amanda Hettiarachchi
Margo Cnockaert
Marie Joossens
David Laureys
Jessika De Clippeleer
Nicolas J. Vereecken
Denis Michez
Guy Smagghe
Dirk de Graaf
Peter Vandamme
A1
Journal Article
in
INSECT MOLECULAR BIOLOGY
2023
Exploring the external environmental drivers of honey bee colony development
Nuno Capela
Artur Sarmento
Sandra Simões
Sara Lopes
Sílvia Castro
António Alves da Silva
Joana Alves
Yoko L. Dupont
Dirk de Graaf
José Paulo Sousa
A1
Journal Article
in
DIVERSITY-BASEL
2023
Expression of molecular markers of resilience against Varroa destructor and bee viruses in Ethiopian honey bees (Apis mellifera simensis) focussing on olfactory sensing and the RNA interference machinery
Haftom Ngussie
David Claeys Boúúaert
Michel Asperges
Bezabeh Amssalu
Lina De Smet
Dirk de Graaf
A1
Journal Article
in
INSECTS
2023
Octaaf Van Laere : more than keeper of the Eva Crane Historical Collection
Dirk de Graaf
Octaaf Van Laere
Other
2023
Opportunities and implications of selection for reduced vertical transmission of viruses in honey bees
David Claeys Boúúaert
Dirk de Graaf
Lina De Smet
Dissertation
2023
The Historical Collection of Dr. Eva Crane
Dirk de Graaf
A2
Journal Article
in
BEE WORLD
2023
2022
B-GOOD : giving beekeeping guidance by computational-assisted decision making
Dirk de Graaf
Martin Bencsik
Lina De Smet
Peter Neumann
Marten Schoonman
José Paulo Sousa
Christopher Topping
Wim Verbeke
James Williams
Coby van Dooremalen
A2
Journal Article
in
RESEARCH IDEAS AND OUTCOMES
2022
Beekeepers perception of risks affecting colony loss : a pilot survey
Noemie El Agrebi
Nathalie Steinhauer
Veronique Renault
Dirk de Graaf
Claude Saegerman
A1
Journal Article
in
TRANSBOUNDARY AND EMERGING DISEASES
2022
Cold case : the disappearance of Egypt bee virus, a fourth distinct master strain of deformed wing virus linked to honeybee mortality in 1970's Egypt
Joachim R. de Miranda
Laura E. Brettell
Nor Chejanovsky
Anna K. Childers
Anne Dalmon
Ward Deboutte
Dirk de Graaf
Vincent Doublet
Haftom Gebremedhn
Elke Genersch
et al.
A1
Journal Article
in
VIROLOGY JOURNAL
2022
Hemocyten van de honingbij (Apis mellifera), een babylonische spraakverwarring
Cato Van Herzele
Hans Nauwynck
Dirk de Graaf
A1
Journal Article
in
VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT
2022
Virus prevalence in egg samples collected from naturally selected and traditionally managed honey bee colonies across Europe
David Claeys Boúúaert
Lina De Smet
Marleen Brunain
Bjørn Dahle
Tjeerd Blacquière
Anne Dalmon
Daniel Dezmirean
Dylan Elen
Janja Filipi
Alexandru Giurgiu
et al.
A1
Journal Article
in
VIRUSES-BASEL
2022
2021
Breeding for virus resistance and its effects on deformed wing virus infection patterns in honey bee queens
David Claeys Boúúaert
Lina De Smet
Dirk de Graaf
A1
Journal Article
in
VIRUSES-BASEL
2021
CSI pollen : diversity of honey bee collected pollen studied by citizen scientists
Robert Brodschneider
Elfriede Kalcher-Sommersguter
Sabrina Kuchling
Vincent Dietemann
Alison Gray
Janko Božič
Andrejs Briedis
Norman L. Carreck
Robert Chlebo
Karl Crailsheim
et al.
A1
Journal Article
in
INSECTS
2021
Honey bee exposure scenarios to selected residues through contaminated beeswax
Olivier Wilmart
Anne Legrève
Marie-Louise Scippo
Wim Reybroeck
Bruno Urbain
Dirk de Graaf
Pieter Spanoghe
Philippe Delahaut
Claude Saegerman
A1
Journal Article
in
SCIENCE OF THE TOTAL ENVIRONMENT
2021
Pyrethroid target-site resistance mutations in populations of the honey bee parasite Varroa destructor (Acari: Varroidae) from Flanders, Belgium
Spyridon Vlogiannitis
Wim Jonckheere
Dries Laget
Dirk de Graaf
John Vontas
Thomas Van Leeuwen
A1
Journal Article
in
EXPERIMENTAL AND APPLIED ACAROLOGY
2021
Reduced nest development of reared Bombus terrestris within apiary dense human-modified landscapes
Ivan Meeus
Laurian Parmentier
Matti Pisman
Dirk de Graaf
Guy Smagghe
A1
Journal Article
in
SCIENTIFIC REPORTS
2021
Risk and protective indicators of beekeeping management practices
Noemie El Agrebi
Nathalie Steinhauer
Simone Tosi
Laurent Leinartz
Dirk de Graaf
Claude Saegerman
A1
Journal Article
in
SCIENCE OF THE TOTAL ENVIRONMENT
2021
Standard methods for Apis mellifera venom research
Dirk de Graaf
Marcia Regina Brochetto Braga
Rusleyd Maria Magalhaes de Abreu
Simon Blank
Chris H. Bridts
Luc S. De Clerck
Bart Devreese
Didier G. Ebo
Timothy J. Ferris
Margo M. Hagendorens
et al.
A1
Journal Article
in
JOURNAL OF APICULTURAL RESEARCH
2021
qPCR assays with dual-labeled probes for genotyping honey bee variants associated with varroa resistance
David Claeys Boúúaert
Mario Van Poucke
Lina De Smet
Wim Verbeke
Dirk de Graaf
Luc Peelman
A1
Journal Article
in
BMC VETERINARY RESEARCH
2021
2020
A state-of-the-art metagenomic view on the virome of honey bees (Apis mellifera) in Belgium
Ward Deboutte
Jelle Matthijnssens
Dirk de Graaf
Kai Dallmeier
Dissertation
2020
Comparison between Apicystis cryptica sp. n. and Apicystis bombi (Arthrogregarida, Apicomplexa): Gregarine parasites that cause fat body hypertrophism in bees
Karel Schoonvaere
Marleen Brunain
Femke Baeke
Michiel De Bruyne
Riet De Rycke
Dirk de Graaf
A1
Journal Article
in
EUROPEAN JOURNAL OF PROTISTOLOGY
2020
Heritability estimates of the novel trait 'suppressed in ovo virus infection' in honey bees (Apis mellifera)
Dirk de Graaf
Dries Laget
Lina De Smet
David Claeys Boúúaert
Marleen Brunain
Roel F. Veerkamp
Evert W. Brascamp
A1
Journal Article
in
SCIENTIFIC REPORTS
2020
Honey bee colony winter loss rates for 35 countries participating in the COLOSS survey for winter 2018-2019, and the effects of a new queen on the risk of colony winter loss
Alison Gray
Noureddine Adjlane
Alireza Arab
Alexis Ballis
Valters Brusbardis
Jean-Daniel Charriere
Robert Chlebo
Mary F. Coffey
Bram Cornelissen
Cristina Amaro da Costa
et al.
A1
Journal Article
in
JOURNAL OF APICULTURAL RESEARCH
2020
Honey-bee-associated prokaryotic viral communities reveal wide viral diversity and a profound metabolic coding potential
Ward Deboutte
Leen Beller
Claude Kwe Yinda
Piet Maes
Dirk de Graaf
Jelle Matthijnssens
A1
Journal Article
in
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
2020
Honeybee and consumer's exposure and risk characterisation to glyphosate-based herbicide (GBH) and its degradation product (AMPA): Residues in beebread, wax, and honey
Noemie El Agrebi
Simone Tosi
Olivier Wilmart
Marie-Louise Scippo
Dirk de Graaf
Claude Saegerman
A1
Journal Article
in
SCIENCE OF THE TOTAL ENVIRONMENT
2020
Metagenomic approach with the NetoVIR enrichment protocol reveals virus diversity within Ethiopian honey bees (Apis mellifera simensis)
Haftom Gebremedhn
Ward Deboutte
Karel Schoonvaere
Peter Demaeght
Lina De Smet
Bezabeh Amssalu
Jelle Matthijnssens
Dirk de Graaf
A1
Journal Article
in
VIRUSES-BASEL
2020
Multivariate landscape analysis of honey bee winter mortality in Wallonia, Belgium
Leen Van Esch
Jean-Luc De Kok
Liliane Janssen
Bart Buelens
Lina De Smet
Dirk de Graaf
Guy Engelen
A1
Journal Article
in
ENVIRONMENTAL MODELING & ASSESSMENT
2020
Nationwide screening for bee viruses and parasites in Belgian honey bees
Severine Matthijs
Valerie De Waele
Valerie Vandenberge
Benedicte Verhoeven
Jacqueline Evers
Marleen Brunain
Claude Saegerman
Paul J. J. De Winter
Stefan Roels
Dirk de Graaf
et al.
A1
Journal Article
in
VIRUSES-BASEL
2020
Pesticide and veterinary drug residues in Belgian beeswax : occurrence, toxicity, and risk to honey bees
Noemie El Agrebi
Kirsten Traynor
Olivier Wilmart
Simone Tosi
Laurent Leinartz
Ellen Danneels
Dirk de Graaf
Claude Saegerman
A1
Journal Article
in
SCIENCE OF THE TOTAL ENVIRONMENT
2020
The first detection of Braula coeca in honey bee colonies in Uganda
Moses Chemurot
Dirk de Graaf
A1
Journal Article
in
JOURNAL OF APICULTURAL RESEARCH
2020
2019
Belgian case study on flumethrin residues in beeswax : possible impact on honeybee and prediction of the maximum daily intake for consumers
Noemie El Agrebi
Olivier Wilmart
Bruno Urbain
Ellen Danneels
Dirk de Graaf
Claude Saegerman
A1
Journal Article
in
SCIENCE OF THE TOTAL ENVIRONMENT
2019
Factors restraining the population growth of Varroa destructor in Ethiopian honey bees (Apis mellifera simensis)
Haftom Ngussie
Bezabeh Amssalu
Lina De Smet
Dirk de Graaf
A1
Journal Article
in
PLOS ONE
2019
Honey bee predisposition of resistance to ubiquitous mite infestations
Bart Broeckx
Lina De Smet
Tjeerd Blacquière
Kevin Maebe
Mikalaï Khalenkow
Mario Van Poucke
Bjorn Dahle
Peter Neumann
Kim Bach Nguyen
Guy Smagghe
et al.
A1
Journal Article
in
SCIENTIFIC REPORTS
2019
Host-microbe interactions between the tsetse fly (Glossina morsitans) and its secondary symbiont Sodalis glossinidius and their impact on trypanosome parasites
Katrien Trappeniers
Jan Van Den Abbeele
Dirk de Graaf
Dissertation
2019
2018
Characterization of native honey bee subspecies in Republic of Benin using morphometric and genetic tools
Felicien Amakpe
Lina De Smet
Marleen Brunain
Franciscus Jacobs
Brice Sinsin
Dirk de Graaf
A1
Journal Article
in
JOURNAL OF APICULTURAL SCIENCE
2018
Characterization of the honeybee venom proteins C1q-like protein and PVF1 and their allergenic potential
Dennis Russkamp
Matthias Van Vaerenbergh
Stefanie Etzold
Bernadette Eberlein
Ulf Darsow
Maximilian Schiener
Lina De Smet
Magdalena Absmaier
Tilo Biedermann
Edzard Spillner
et al.
A1
Journal Article
in
TOXICON
2018
Multi-country loss rates of honey bee colonies during winter 2016/2017 from the COLOSS survey
Robert Brodschneider
Alison Gray
Noureddine Adjlane
Alexis Ballis
Valters Brusbardis
Jean-Daniel Charriere
Robert Chlebo
Mary F Coffey
Bjorn Dahle
Dirk de Graaf
et al.
A1
Journal Article
in
JOURNAL OF APICULTURAL RESEARCH
2018
Study of the metatranscriptome of eight social and solitary wild bee species reveals novel viruses and bee parasites
Karel Schoonvaere
Guy Smagghe
Frédéric Francis
Dirk de Graaf
A1
Journal Article
in
FRONTIERS IN MICROBIOLOGY
2018
Unbiased random mutagenesis contributes to a better understanding of the virulent behaviour of Paenibacillus larvae
Tine Descamps
Lina De Smet
Paul De Vos
Dirk de Graaf
A1
Journal Article
in
JOURNAL OF APPLIED MICROBIOLOGY
2018
2017
A pan-European epidemiological study reveals honey bee colony survival depends on beekeeper education and disease control
Antoine Jacques
Marion Laurent
Magali Ribiere-Chabert
Mathilde Saussac
Stephanie Bougeard
Giles E Budge
Pascal Hendrikx
Marie-Pierre Chauzat
Dirk de Graaf
Estelle Meroc
et al.
A1
Journal Article
in
PLOS ONE
2017
Covert deformed wing virus infections have long-term deleterious effects on honeybee foraging and survival
Kristof Benaets
Anneleen Van Geystelen
Dries Cardoen
Lina De Smet
Dirk de Graaf
Liliane Schoofs
Maarten HD Larmuseau
Laura E Brettell
Stephen J Martin
Tom Wenseleers
A1
Journal Article
in
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
2017
Environmental contaminants of honeybee products in Uganda detected using LC-MS/MS and GC-ECD
Deborah Ruth Amulen
Pieter Spanoghe
Michael Houbraken
Andrew Tamale
Dirk de Graaf
Paul Cross
Guy Smagghe
A1
Journal Article
in
PLOS ONE
2017
Expression of key components of the RNAi machinery are suppressed in Apis mellifera that suffer a high virus infection
Lina De Smet
Jorgen Ravoet
Tom Wenseleers
Dirk de Graaf
A1
Journal Article
in
ENTOMOLOGICAL SCIENCE
2017
Individual and genetic task specialization in policing behaviour in the European honeybee
Ulrich R Ernst
Dries Cardoen
Vincent Cornette
Francis LW Ratnieks
Dirk de Graaf
Liliane Schoofs
Peter Verleyen
Tom Wenseleers
A1
Journal Article
in
ANIMAL BEHAVIOUR
2017
Nosema neumanni n. sp. (Microsporidia, Nosematidae), a new microsporidian parasite of honeybees, Apis mellifera in Uganda
Moses Chemurot
Lina De Smet
Marleen Brunain
Riet De Rycke
Dirk de Graaf
A1
Journal Article
in
EUROPEAN JOURNAL OF PROTISTOLOGY
2017
Stress indicator gene expression profiles, colony dynamics and tissue development of honey bees exposed to sub-lethal doses of imidacloprid in laboratory and field experiments
Lina De Smet
Fani Hatjina
Pavlos Ioannidis
Anna Hamamtzoglou
Karel Schoonvaere
Frédéric Francis
Ivan Meeus
Guy Smagghe
Dirk de Graaf
A1
Journal Article
in
PLOS ONE
2017
The buzz about bees and poverty alleviation : identifying drivers and barriers of beekeeping in sub-Saharan Africa
Deborah Ruth Amulen
Marijke D'Haese
Elizabeth Ahikiriza
Jacob Godfrey Agea
Franciscus Jacobs
Dirk de Graaf
Guy Smagghe
Paul Cross
A1
Journal Article
in
PLOS ONE
2017
The distribution, infestation levels and effects of honeybee parasites and pathogens on colony performance in two agro-ecological zones of Uganda
Moses Chemurot
Dirk de Graaf
Dissertation
2017
The intimate host-pathogen relation of Paenibacillus larvae and the honey bee Apis mellifera
Tine Descamps
Dirk de Graaf
Paul De Vos
Dissertation
2017
Towards an increasing honey production in Northern Uganda : a multi-perspective approach
Deborah Ruth Amulen
Guy Smagghe
Dirk de Graaf
Franciscus Jacobs
Dissertation
2017
Trueness and precision of the real-time RT-PCR method for quantifying the chronic bee paralysis virus genome in bee homogenates evaluated by a comparative inter-laboratory study
Frank Schurr
Nicolas Cougoule
Marie-Pierre Riviere
Magali Ribiere-Chabert
Hamid Achour
Dan Adam
Carlos Castillo
Dirk de Graaf
Eva Forsgren
Anna Granato
et al.
A1
Journal Article
in
JOURNAL OF VIROLOGICAL METHODS
2017
2016
Belgian honey bee winter mortality during 2012-2013 : a case-control study and spatial analysis
Sophie Roelandt
Estelle Meroc
Flavien Riocreux
Dirk de Graaf
Kim Bach Nguyen
Marleen Brunain
Benedicte Verhoeven
Marc Dispas
Stefan Roels
Yves Van der Stede
A1
Journal Article
in
JOURNAL OF APICULTURAL RESEARCH
2016
C1q-like protein and PVF1 from honeybee venom show IgE-reactivity but do not activate basophils
M Schiener
Matthias Van Vaerenbergh
S Etzold
B Eberlein
Lina De Smet
M Absmaier
U Darsow
T Biedermann
E Spillner
M Ollert
et al.
C3
Conference
2016
Discovery of Lake Sinai virus and an unusual strain of acute bee paralysis virus in West African apiaries
Felicien Amakpe
Lina De Smet
Marleen Brunain
Jorgen Ravoet
Franciscus Jacobs
Wim Reybroeck
Brice Sinsin
Dirk de Graaf
A1
Journal Article
in
APIDOLOGIE
2016
Exploring the beekeeping potential in the Republic of Benin by examining the melliferous trees, the honeybees and the honey they produce
Felicien Amakpe
Dirk de Graaf
Brice Sinsin
Franciscus Jacobs
Dissertation
2016
Factors influencing the prevalence and infestation levels of Varroa destructor in honeybee colonies in two highland agro-ecological zones of Uganda
Moses Chemurot
Anne M Akol
Charles Masembe
Lina De Smet
Tine Descamps
Dirk de Graaf
A1
Journal Article
in
EXPERIMENTAL AND APPLIED ACAROLOGY
2016
First detection of Paenibacillus larvae the causative agent of American Foulbrood in a Ugandan honeybee colony
Moses Chemurot
Marleen Brunain
Anne M Akol
Tine Descamps
Dirk de Graaf
A1
Journal Article
in
SPRINGERPLUS
2016
Multiple Locus Variable number of tandem repeat Analysis : a molecular genotyping tool for Paenibacillus larvae
Tine Descamps
Lina De Smet
Pieter Stragier
Paul De Vos
Dirk de Graaf
A1
Journal Article
in
MICROBIAL BIOTECHNOLOGY
2016
Plasticity in the gut microbial community and uptake of Enterobacteriaceae (Gammaproteobacteria) in Bombus terrestris bumblebees' nests when reared indoors and moved to an outdoor environment
Laurian Parmentier
Ivan Meeus
Hadi Mosallanejad
Dirk de Graaf
Guy Smagghe
A1
Journal Article
in
APIDOLOGIE
2016
Preliminary analysis of loss rates of honey bee colonies during winter 2015/16 from the COLOSS survey
Robert Brodschneider
Alison Gray
Romee van der Zee
Noureddine Adjlane
Valters Brusbardis
Jean-Daniel Charriere
Robert Chlebo
Mary F Coffey
Karl Crailsheim
Bjorn Dahle
et al.
A1
Journal Article
in
JOURNAL OF APICULTURAL RESEARCH
2016
Residues in beeswax : a health risk for the consumer of honey and beeswax?
Olivier Wilmart
Anne Legreve
Marie-Louise Scippo
Wim Reybroeck
Bruno Urbain
Dirk de Graaf
Walter Steurbaut
Philippe Delahaut
Pascal Gustin
Bach Kim Nguyen
et al.
A1
Journal Article
in
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
2016
Risk indicators affecting honeybee colony survival in Europe : one year of surveillance
Marie-Pierre Chauzat
Antoine Jacques
Marion Laurent
Stephanie Bougeard
Pascal Hendrikx
Magali Ribiere-Chabert
Dirk de Graaf
Estelle Meroc
Bach Kim Nguyen
Sophie Roelandt
et al.
A1
Journal Article
in
APIDOLOGIE
2016
Track-a-Forager: a program for the automated analysis of RFID tracking data to reconstruct foraging behaviour
A Van Geystelen
K Benaets
Dirk de Graaf
MHD Larmuseau
T Wenseleers
A1
Journal Article
in
INSECTES SOCIAUX
2016
Unbiased RNA shotgun metagenomics in social and solitary wild bees detects associations with eukaryote parasites and new viruses
Karel Schoonvaere
Lina De Smet
Guy Smagghe
Andy Vierstraete
Bart Braeckman
Dirk de Graaf
A1
Journal Article
in
PLOS ONE
2016
Varroa destructor Macula-like virus, Lake Sinai virus and other new RNA viruses in wild bumblebee hosts (Bombus pascuorum, Bombus lapidarius and Bombus pratorum)
Laurian Parmentier
Guy Smagghe
Dirk de Graaf
Ivan Meeus
A1
Journal Article
in
JOURNAL OF INVERTEBRATE PATHOLOGY
2016
2015
Bee pathogens found in Bombus atratus from Colombia : a case study
Viviana Gamboa
Jorgen Ravoet
Marleen Brunain
Guy Smagghe
Ivan Meeus
Judith Figueroa
Diego Riaño
Dirk de Graaf
A1
Journal Article
in
JOURNAL OF INVERTEBRATE PATHOLOGY
2015
Characterization of two species of Trypanosomatidae from the honey bee Apis mellifera: Crithidia mellificae Langridge and McGhee, 1967 and Lotmaria passim n. gen., n. sp.
Ryan S Schwarz
Gary R Bauchan
Charles A Murphy
Jorgen Ravoet
Dirk de Graaf
Jay D Evans
A1
Journal Article
in
JOURNAL OF EUKARYOTIC MICROBIOLOGY
2015
Determination of the silvo-melliferous regions of Benin : a nationwide categorisation of the land based on melliferous plants suitable for timber production
Felicien Amakpe
Gaston Akouehou
Dirk de Graaf
Brice Sinsin
A2
Journal Article
in
JOURNAL OF AGRICULTURE AND RURAL DEVELOPMENT IN THE TROPICS AND SUBTROPICS
2015
Differential diagnosis of the honey bee trypanosomatids Crithidia mellificae and Lotmaria passim
Jorgen Ravoet
Ryan S Schwarz
Tine Descamps
Orlando Yañez
Cansu Ozge Tozkar
Raquel Martin-Hernandez
Carolina Bartolomé
Lina De Smet
Mariano Higes
Tom Wenseleers
et al.
A1
Journal Article
in
JOURNAL OF INVERTEBRATE PATHOLOGY
2015
Exploring the involvement of honey bee pathogens in colony collapses from epidemiological data, pathogen genotyping and host immune responses
Jorgen Ravoet
Dirk de Graaf
Dissertation
2015
Exploring the potential of venom from Nasonia vitripennis as therapeutic agent with high-throughput screening tools
Ellen Danneels
Ellen Formesyn
Dirk de Graaf
A1
Journal Article
in
TOXINS
2015
Genome sequence heterogeneity of Lake Sinai Virus found in honey bees and Orf1/RdRP-based polymorphisms in a single host
Jorgen Ravoet
Lina De Smet
Tom Wenseleers
Dirk de Graaf
A1
Journal Article
in
VIRUS RESEARCH
2015
Honeybee venom proteome profile of queens and winter bees as determined by a mass spectrometric approach
Ellen Danneels
Matthias Van Vaerenbergh
Griet Debyser
Bart Devreese
Dirk de Graaf
A1
Journal Article
in
TOXINS
2015
IgE recognition of chimeric isoforms of the honeybee (Apis mellifera) venom allergen Api m 10 evaluated by protein array technology
Matthias Van Vaerenbergh
Lina De Smet
David Rafei-Shamsabadi
Simon Blank
Edzard Spillner
Didier G Ebo
Bart Devreese
Thilo Jakob
Dirk de Graaf
A1
Journal Article
in
MOLECULAR IMMUNOLOGY
2015
Pesticides for apicultural and/or agricultural application found in Belgian honey bee wax combs
Jorgen Ravoet
Wim Reybroeck
Dirk de Graaf
A1
Journal Article
in
BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY
2015
Potential for spillover of protozoan parasites from domesticated honeybees and reared bumblebees towards wild bumblebees
Jafar Maharramov
Guy Smagghe
Ivan Meeus
Dirk de Graaf
Dissertation
2015
The genomes of two key bumblebee species with primitive eusocial organization
BM Sadd
SM Barribeau
G Bloch
Dirk de Graaf
P Dearden
CG Elsik
J Gadau
CJP Grimmelikhuijzen
M Hasselmann
JD Lozier
et al.
A1
Journal Article
in
GENOME BIOLOGY
2015
Unraveling the venom proteome of the bumblebee (Bombus terrestris) by integrating a combinatorial peptide ligand library approach with FT-ICR MS
Matthias Van Vaerenbergh
Griet Debyser
Guy Smagghe
Bart Devreese
Dirk de Graaf
A1
Journal Article
in
TOXICON
2015
Vertical transmission of honey bee viruses in a Belgian queen breeding program
Jorgen Ravoet
Lina De Smet
Tom Wenseleers
Dirk de Graaf
A1
Journal Article
in
BMC VETERINARY RESEARCH
2015
2014
Beeswax residue analysis points to an alarming contamination : a Belgian case study
Jorgen Ravoet
Wim Reybroeck
Lina De Smet
Dirk de Graaf
P1
Conference
2014
Effect of bodily fluids from honey bee (Apis mellifera) larvae on growth and genome-wide transcriptional response of the causal agent of American Foulbrood disease (Paenibacillus larvae)
Lina De Smet
Dieter De Koker
Alyse K Hawley
Leonard J Foster
Paul De Vos
Dirk de Graaf
A1
Journal Article
in
PLOS ONE
2014
Effect of oral infection with Kashmir bee virus and Israeli acute paralysis virus on bumblebee (Bombus terrestris) reproductive success
Ivan Meeus
Joachim R de Miranda
Dirk de Graaf
Felix Wäckers
Guy Smagghe
A1
Journal Article
in
JOURNAL OF INVERTEBRATE PATHOLOGY
2014
Exploring the hidden honeybee (Apis mellifera) venom proteome by integrating a combinatorial peptide ligand library approach with FTMS
Matthias Van Vaerenbergh
Griet Debyser
Bart Devreese
Dirk de Graaf
A1
Journal Article
in
JOURNAL OF PROTEOMICS
2014
Finding the missing honey bee genes: lessons learned from a genome upgrade
Christine G Elsik
Kim C Worley
Anna K Bennett
Martin Beye
Francisco Camara
Christopher P Childers
Dirk de Graaf
Griet Debyser
Jixin Deng
Bart Devreese
et al.
A1
Journal Article
in
BMC GENOMICS
2014
Gamma irradiation of pollen and eradication of Israeli acute paralysis virus
Ivan Meeus
Hadi Mosallanejad
Jinzhi Niu
Dirk de Graaf
Felix Wäckers
Guy Smagghe
A1
Journal Article
in
JOURNAL OF INVERTEBRATE PATHOLOGY
2014
Holistic screening of collapsing honey bee colonies in Spain: a case study
Almudeno Cepero
Jorgen Ravoet
Tamara Gómez-Moracho
José Luis Bernal
Maria J Del Nozal
Carolina Bartolomé
Xulio Maside
Aránzazu Meana
Amelia González-Porto
Dirk de Graaf
et al.
A2
Journal Article
in
BMC RESEARCH NOTES
2014
How the venom from the ectoparasitoid wasp Nasonia vitripennis exhibits anti-inflammatory properties on mammalian cell lines
Ellen Danneels
Sarah Gerlo
Karen Heyninck
Kathleen Van Craenenbroeck
Karolien De Bosscher
Guy Haegeman
Dirk de Graaf
A1
Journal Article
in
PLOS ONE
2014
Hydroxylmethylfurfural induces reactive oxygen species (ROS)-dependent activation of the Toll pathway in honey bees
Lina De Smet
Claude Saegerman
Jorgen Ravoet
Dirk de Graaf
P1
Conference
2014
In vitro diagnosis of Hymenoptera venom allergy and further development of component resolved diagnostics
Didier G Ebo
Matthias Van Vaerenbergh
Dirk de Graaf
Chris H Bridts
Luc S De Clerck
Vito Sabato
A1
Journal Article
in
EXPERT REVIEW OF CLINICAL IMMUNOLOGY
2014
Reproduction of honeybee workers is regulated by epidermal growth factor receptor signaling
Ellen Formesyn
Dries Cardoen
Ulrich R Ernst
Ellen Danneels
Matthias Van Vaerenbergh
Dieter De Koker
Peter Verleyen
Tom Wenseleers
Liliane Schoofs
Dirk de Graaf
A1
Journal Article
in
GENERAL AND COMPARATIVE ENDOCRINOLOGY
2014
The venom of Nasonia vitripennis : involvement in the host-parasitoid interaction and putative biomedical application
Ellen Danneels
Dirk de Graaf
Kathleen Van Craenenbroeck
Franciscus Jacobs
Dissertation
2014
Widespread occurrence of honey bee pathogens in solitary bees
Jorgen Ravoet
Lina De Smet
Ivan Meeus
Guy Smagghe
Tom Wenseleers
Dirk de Graaf
A1
Journal Article
in
JOURNAL OF INVERTEBRATE PATHOLOGY
2014
2013
Comprehensive bee pathogen screening in Belgium reveals Crithidia mellificae as a new contributory factor to winter mortality
Jorgen Ravoet
Jafar Maharramov
Ivan Meeus
Lina De Smet
Tom Wenseleers
Guy Smagghe
Dirk de Graaf
A1
Journal Article
in
PLOS ONE
2013
Early changes in the pupal transcriptome of the flesh fly Sarcophagha crassipalpis to parasitization by the ectoparasitic wasp, Nasonia vitripennis
Ellen Danneels
Ellen Formesyn
Daniel A Hahn
David L Denlinger
Dries Cardoen
Tom Wenseleers
Liliane Schoofs
Dirk de Graaf
A1
Journal Article
in
INSECT BIOCHEMISTRY AND MOLECULAR BIOLOGY
2013
Exploring diverse molecular processes in two genome sequenced hymenopteran model systems : Nasonia vitripennis-(non)host interactions and honeybee fertility
Ellen Formesyn
Dirk de Graaf
Dissertation
2013
Extending the honey bee venome with the antimicrobial peptide apidaecin and a protein resembling wasp antigen 5
Matthias Van Vaerenbergh
Dries Cardoen
Ellen Formesyn
Marleen Brunain
Gonzalez Van Driessche
S Blank
E Spillner
Peter Verleyen
Tom Wenseleers
Liliane Schoofs
et al.
A1
Journal Article
in
INSECT MOLECULAR BIOLOGY
2013
Genetic variability of the neogregarine Apicystis bombi, an etiological agent of an emergent bumblebee disease
Jafar Maharramov
Ivan Meeus
Kevin Maebe
Marina Arbetman
Carolina Morales
Peter Graystock
William OH Hughes
Santiago Plischuk
Carlos E Lange
Dirk de Graaf
et al.
A1
Journal Article
in
PLOS ONE
2013
Honeybee (Apis mellifera) and bumblebee (Bombus terrestris) venom: analysis and immunological importance of the proteome
Matthias Van Vaerenbergh
Dirk de Graaf
Bart Devreese
Dissertation
2013
Hydroxymethylfurfural: a possible emergent cause of honey bee mortality?
Lara Zirbes
Bach Kim Nguyen
Dirk de Graaf
Bruno De Meulenaer
Wim Reybroeck
Eric Haubruge
Claude Saegerman
A1
Journal Article
in
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
2013
IgE recognition of multiple novel Api m 10 isoforms evaluated by protein array technology
Matthias Van Vaerenbergh
Lina De Smet
S Blank
E Spillner
D Ebo
T Jakob
Bart Devreese
Dirk de Graaf
C3
Conference
2013
Standard methods for American foulbrood research
Dirk de Graaf
Adriana M Alippi
Karina Antunez
Katherine A Aronstein
Giles Budge
Dieter De Koker
Lina De Smet
Douglas W Dingman
Jay D Evans
Leonard J Foster
et al.
A1
Journal Article
in
JOURNAL OF APICULTURAL RESEARCH
2013
Standard methods for virus research in Apis mellifera
Joachim R de Miranda
Lesley Bailey
Brenda V Ball
Philippe Blanchard
Giles E Budge
Nor Chejanovsky
Yan-Ping Chen
Laurent Gauthier
Elke Genersch
Dirk de Graaf
et al.
A1
Journal Article
in
JOURNAL OF APICULTURAL RESEARCH
2013
The role of serine- and metalloproteases in Nasonia vitripennis venom in cell death related processes towards a Spodoptera frugiperda Sf21 cell line
Ellen Formesyn
Karen Heyninck
Dirk de Graaf
A1
Journal Article
in
JOURNAL OF INSECT PHYSIOLOGY
2013
2012
BeeDoctor, a versatile MLPA-based diagnostic tool for screening bee viruses
Lina De Smet
Jorgen Ravoet
Joachim R de Miranda
Tom Wenseleers
Matthias Y Mueller
Robin FA Moritz
Dirk de Graaf
A1
Journal Article
in
PLOS ONE
2012
Influence of the uterine environment on the development of in vitro-produced equine embryos
Katrien Smits
Jan Govaere
Luc Peelman
Karen Goossens
Dirk de Graaf
Dries Vercauteren
Leen Vandaele
Maarten Hoogewijs
Eline Wydooghe
Torn Stout
et al.
A1
Journal Article
in
REPRODUCTION
2012
Proteomics of the venom of the parasitoid Nasonia vitripennis
Ellen Formesyn
Ellen Danneels
Dirk de Graaf
Bookchapter
in
Parasitoid viruses : symbionts and pathogens
2012
Worker honeybee sterility: a proteomic analysis of suppressed ovary activation
Dries Cardoen
Ulrich R Ernst
Bart Boerjan
Annelies Bogaerts
Ellen Formesyn
Dirk de Graaf
Tom Wenseleers
Liliane Schoofs
Peter Verleyen
A1
Journal Article
in
JOURNAL OF PROTEOME RESEARCH
2012
2011
Analyse du risque posé en santé animale par la présence de l'hydroxyméthylfurfural dans les sirops de nourrissement des abeilles domestiques
O Wilmart
W Reybroeck
Bruno De Meulenaer
Dirk de Graaf
B Nguyen
André Huyghebaert
C Saegerman
A1
Journal Article
in
ANNALES DE MEDECINE VETERINAIRE
2011
Differential proteomics in dequeened honeybee colonies reveals lower viral load in hemolymph of fertile worker bees
Dries Cardoen
Ulrich R Ernst
Matthias Van Vaerenbergh
Bart Boerjan
Dirk de Graaf
Tom Wenseleers
Liliane Schoofs
Peter Verleyen
A1
Journal Article
in
PLOS ONE
2011
Effects of invasive parasites on bumble bee declines
Ivan Meeus
Mark JF Brown
Dirk de Graaf
Guy Smagghe
A1
Journal Article
in
CONSERVATION BIOLOGY
2011
Genome-wide analysis of alternative reproductive phenotypes in honeybee workers
Dries Cardoen
Tom Wenseleers
Ulrich R Ernst
Ellen Danneels
Dries Laget
Dirk de Graaf
Liliane Schoofs
Peter Verleyen
A1
Journal Article
in
MOLECULAR ECOLOGY
2011
Polar tube protein gene diversity among Nosema ceranae strains derived from a Greek honey bee health study
Fani Hatjina
Georgios Tsoktouridis
Maria Bouga
Leonidas Charistos
Vassiliki Evangelou
Dimitrios Avtzis
Ivan Meeus
Marleen Brunain
Guy Smagghe
Dirk de Graaf
A1
Journal Article
in
JOURNAL OF INVERTEBRATE PATHOLOGY
2011
Updated genome assembly and annotation of Paenibacillus larvae, the agent of American foulbrood disease of honey bees
Queenie WT Chan
R Scott Cornman
Inanc Birol
Nancy Y Liao
Simon K Chan
T Roderick Docking
Shaun D Jackman
Greg A Taylor
Steven JM Jones
Dirk de Graaf
et al.
A1
Journal Article
in
BMC GENOMICS
2011
2010
Functional and Evolutionary Insights from the Genomes of Three Parasitoid Nasonia Species
JH Werren
S Richards
CA Desjardins
O Niehuis
J Gadau
JK Colbourne
LW Beukeboom
C Desplan
CG Elsik
CJP Grimmelikhuijzen
et al.
A1
Journal Article
in
SCIENCE
2010
Honey bee colony losses in Belgium during the 2008-9 winter
Bach Kim Nguyen
Jacques Mignon
Dries Laget
Dirk de Graaf
Franciscus Jacobs
Denis van Engelsdorp
Yves Brostaux
Claude Saegerman
Eric Haubruge
A1
Journal Article
in
JOURNAL OF APICULTURAL RESEARCH
2010
Insights into the venom composition of the ectoparasitoid wasp Nasonia vitripennis from bioinformatic and proteomic studies
Dirk de Graaf
Maarten Aerts
Marleen Brunain
CA Desjardins
Franciscus Jacobs
JH Werren
Bart Devreese
A1
Journal Article
in
INSECT MOLECULAR BIOLOGY
2010
Multiplex PCR detection of slowly-evolving trypanosomatids and neogregarines in bumblebees using broad-range primers
Ivan Meeus
Dirk de Graaf
K Jans
Guy Smagghe
A1
Journal Article
in
JOURNAL OF APPLIED MICROBIOLOGY
2010
Multiplex RT-PCR with broad-range primers and an exogenous internal amplification control for the detection of honeybee viruses in bumblebees
Ivan Meeus
Guy Smagghe
Reinhold Siede
Kris Jans
Dirk de Graaf
A1
Journal Article
in
JOURNAL OF INVERTEBRATE PATHOLOGY
2010
Two novel proteins expressed by the venom glands of Apis mellifera and Nasonia vitripennis share an ancient C1q-like domain
Dirk de Graaf
Marleen Brunain
B Scharlaken
N Peiren
Bart Devreese
DG Ebo
WJ Stevens
CA Desjardins
JH Werren
Franciscus Jacobs
A1
Journal Article
in
INSECT MOLECULAR BIOLOGY
2010
Venom proteins of the parasitoid wasp Nasonia vitripennis : recent discovery of an untapped pharmacopee
Ellen Danneels
David B Rivers
Dirk de Graaf
A1
Journal Article
in
TOXINS
2010
2009
Bee, wasp and ant venomics pave the way for a component-resolved diagnosis of sting allergy
Dirk de Graaf
Maarten Aerts
Ellen Danneels
Bart Devreese
A1
Journal Article
in
Journal of Proteomics
2009
Lessons from the first international proficiency test for the detection of spores from the honey bee pathogen Paenibacillus larvae
Dirk de Graaf
Wolfgang Ritter
Franciscus Jacobs
Marleen Brunain
A1
Journal Article
in
ACCREDITATION AND QUALITY ASSURANCE
2009
2008
Differential gene expression in the honeybee head after a bacteria challenge
Bieke Scharlaken
Dirk de Graaf
Karen Goossens
Luc Peelman
Franciscus Jacobs
A1
Journal Article
in
DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY
2008
First molecular confirmation of deformed wing virus infections of honeybees from a Belgian apiary reveals the presence of black queen cell virus and Varroa destructor virus 1
Dirk de Graaf
Marleen Brunain
H IMBERECHTS
Franciscus Jacobs
A1
Journal Article
in
VLAAMS DIERGENEESKUNDIG TIJDSCHRIFT
2008
Implementation of quality control and biosafety measurements in the diagnosis of honey bee diseases
Dirk de Graaf
Marleen Brunain
Franciscus Jacobs
A1
Journal Article
in
JOURNAL OF APICULTURAL RESEARCH
2008
Integrated 'omic' study on the molecular events in the honey bee head after bacterial challenge
Bieke Scharlaken
Franciscus Jacobs
Dirk de Graaf
Dissertation
2008
Proteomic analysis of the honey bee worker venom gland focusing on the mechanisms of protection against tissue damage
Nico Peiren
Dirk de Graaf
Frank Vanrobaeys
Ellen Danneels
Bart Devreese
Jozef Van Beeumen
Franciscus Jacobs
A1
Journal Article
in
Toxicon
2008
Reference gene selection for insect expression studies using quantitative real-time PCR: The head of the honeybee, Apis mellifera, after a bacterial challenge
Bieke Scharlaken
Dirk de Graaf
Karen Goossens
Marleen Brunain
Luc Peelman
Franciscus Jacobs
A1
Journal Article
in
JOURNAL OF INSECT SCIENCE
2008
2007
Differential protein expression in the honey bee head after a bacterial challenge
Bieke Scharlaken
Dirk de Graaf
Samy Memmi
Bart Devreese
Jozef Van Beeumen
Franciscus Jacobs
A1
Journal Article
in
ARCHIVES OF INSECT BIOCHEMISTRY AND PHYSIOLOGY
2007
Selection of housekeeping genes for gene expression studies in honey bee head tissue using quantitative real-time PCR
Bieke Scharlaken
Dirk de Graaf
Karen Goossens
Marleen Brunain
Luc Peelman
Franciscus Jacobs
C1
Conference
2007
Stability of reference genes for expression studies in the honey bee head after a bacterial challenge using quantitative real-time PCR
Bieke Scharlaken
Dirk de Graaf
Karen Goossens
Marleen Brunain
Luc Peelman
Franciscus Jacobs
C1
Conference
2007
2006
Diagnosis of American foulbrood in honey bees: a synthesis and proposed analytical protocols
Dirk de Graaf
AM ALIPPI
M BROWN
JD EVANS
M FELDLAUFER
A GREGORC
M HORNITZKY
SF PERNAL
DMT SCHUCH
D TITERA
et al.
A1
Journal Article
in
LETTERS IN APPLIED MICROBIOLOGY
2006
Genomic and transcriptional analysis of protein heterogeneity of the honeybee venom allergen Api m 6
Nico Peiren
Dirk de Graaf
JD EVANS
Franciscus Jacobs
A1
Journal Article
in
INSECT MOLECULAR BIOLOGY
2006
Identification of Paenibacillus larvae to the subspecies level : an obstacle for AFB diagnosis
Dirk de Graaf
Paul De Vos
Marc Heyndrickx
Stefanie Van Trappen
Nico Peiren
Franciscus Jacobs
A1
Journal Article
in
JOURNAL OF INVERTEBRATE PATHOLOGY
2006
Insights into social insects from the genome of the honeybee Apis mellifera
G WEINSTOCK
G ROBINSON
R GIBBS
Dirk de Graaf
A1
Journal Article
in
NATURE
2006
Molecular cloning and expression of icarapin, a novel IgE-binding bee venom protein
Nico Peiren
Dirk de Graaf
Marleen Brunain
CH BRIDTS
DG EBO
WJ STEVENS
Franciscus Jacobs
A1
Journal Article
in
FEBS LETTERS
2006
Scope for non-wood forest products income generation from rehabilitation areas: focus on beekeeping
Franciscus Jacobs
Caroline Simoens
Dirk de Graaf
J Deckers
A2
Journal Article
in
JOURNAL OF THE DRYLANDS
2006
The venom of honeybees (Apis mellifera L.) : from proteomics to recombinant production of potential allergens
Nico Peiren
Franciscus Jacobs
Dirk de Graaf
Dissertation
2006
2005
The protein composition of honeybee venom reconsidered by a proteomic approach
Nico Peiren
Frank Vanrobaeys
Dirk de Graaf
Bart Devreese
Jozef Van Beeumen
Franciscus Jacobs
A1
Journal Article
in
BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS
2005
2004
Chapter 2.9.2. American Foulbrood
Dirk de Graaf
Bookchapter
in
OIE Manual of Diagnostic Tests and Vaccines for Terrestrial Animals
2004
2002
Flow cytometric analysis of lectin-stained haemocytes of the honeybee (Apis mellifera)
Dirk de Graaf
R Dauwe
K Walravens
Franciscus Jacobs
A1
Journal Article
in
APIDOLOGIE
2002
Screening of the T- and B-cell antigenicity in neonatal calves of the his-tagged Cryptosporidium parvum antigens CP15, CP15/60, P23 and trap-C1
Dirk de Graaf
H DE CONINCK
C DE CLERCQ
JE PEETERS
A1
Journal Article
in
FOLIA PARASITOLOGICA
2002
Specific bovine antibody response against a new recombinant Cryptosporidium parvum antigen containing 4 zinc-finger motifs
Dirk de Graaf
Hans De Coninck
Franz Petry
Ilka B Eeckhout
Johan E Peeters
A2
Journal Article
in
KOREAN JOURNAL OF PARASITOLOGY
2002
Varroa destructor-beheersing in de bijenteeltpraktijk
Franciscus Jacobs
Olivier Van Laere
Caroline Simoens
Dirk de Graaf
Book
2002
2001
Amerikaans Vuilbroed bij Bijen: Optimalisatie van de diagnose en de bestrijding.
W DOBBELAERE
Dirk de Graaf
JE PEETERS
Franciscus Jacobs
[0-9]{2}
2001
Comparison of two commercial kits for biochemical characterization of Paenibacillus larvae larvae in the diagnosis of AFB.
W DOBBELAERE
Dirk de Graaf
JE PEETERS
Franciscus Jacobs
A1
Journal Article
in
JOURNAL OF APICULTURAL RESEARCH
2001
Desinfection of wooden structures contaminated with Paenibacillus larvae subsp. Larvae spores.
W DOBBELAERE
Dirk de Graaf
W REYBROECK
E DESMEDT
JE PEETERS
Franciscus Jacobs
A1
Journal Article
in
JOURNAL OF APPLIED MICROBIOLOGY
2001
Development of a fast and reliable diagnostic method for American foulbrood disease (Paenibacillus larvae subsp larvae) using a 16S rRNA gene based PCR.
W DOBBELAERE
Dirk de Graaf
JE PEETERS
Franciscus Jacobs
A1
Journal Article
in
APIDOLOGIE
2001
Influence of the proximity of American foulbrood cases and apicultural management on the prevalence of Paenibacillus larvae spores in Belgian honey.
Dirk de Graaf
D VANDEKERCHOVE
W DOBBELAERE
JE PEETERS
Franciscus Jacobs
A1
Journal Article
in
APIDOLOGIE
2001
The possible role of varroa destructor in the transmission of Paenibacillus larvae larvae spores.
JJ JOUBERT
Paul De Rycke
W DOBBELAERE
Dirk de Graaf
H HOSSEINIAN
Franciscus Jacobs
[0-9]{2}
2001
2000
Varroa jacobsoni as a possible mechanical Vector for Paenibacillus larvae larvae pathogenic to Apis mellifera.
JJ JOUBERT
Paul De Rycke
W DOBBELAERE
Dirk de Graaf
H HOSSEINIAN
Franciscus Jacobs
C1
Conference
2000
1999
A review of the importance of cryptosporidiosis in farm animals
Dirk de Graaf
E VANOPDENBOSCH
LM ORTEGA-MORA
H ABBASSI
JE PEETERS
A1
Journal Article
in
INTERNATIONAL JOURNAL FOR PARASITOLOGY
1999
De verspreiding van Amerikaans Vuilbroed in België.
W DOBBELAERE
Dirk de Graaf
JE PEETERS
Franciscus Jacobs
C1
Conference
1999
Paenibacillus larvae, de verwekker van Amerikaans vuilbroed bij de honingbij.
Dirk de Graaf
W DOBBELARE
Franciscus Jacobs
E PEETERS J
C1
Conference
1999
Serological differences in Neospora caninum-associated epidemic and endemic abortions
G SCHARES
M RAUSER
K ZIMMER
M PETERS
R WURM
JP DUBEY
Dirk de Graaf
R EDELHOFER
C MERTENS
G HESS
et al.
A1
Journal Article
in
JOURNAL OF PARASITOLOGY
1999
Speculation on whether a vaccine against cryptosporidiosis is a reality or fantasy
Dirk de Graaf
F SPANO
F PETRY
S SAGODIRA
A BONNIN
A1
Journal Article
in
INTERNATIONAL JOURNAL FOR PARASITOLOGY
1999
1998
A Cryptosporidium parvum oocyst low molecular mass fraction evokes a CD4(+) T-cell-dependent IFN-gamma response in bovine peripheral blood mononuclear cell cultures
Dirk de Graaf
K WALRAVENS
J GODFROID
JE PEETERS
A1
Journal Article
in
INTERNATIONAL JOURNAL FOR PARASITOLOGY
1998
1997
Specific interferon-gamma, IgA and IgM responses after experimental infection of neonatal calves with Cryptosporidium parvum
Dirk de Graaf
JE Peeters
A1
Journal Article
in
INTERNATIONAL JOURNAL FOR PARASITOLOGY
1997
1996
Complete development of Cryptosporidium parvum in MDBK cells
Isabel Villacorta
Dirk de Graaf
Gerard Charlier
Johan E Peeters
A1
Journal Article
in
FEMS MICROBIOLOGY LETTERS
1996
Isolation, characterization and immunolocalization of a globin-like antigen from Ostertagia ostertagi adults
Dirk de Graaf
Paul Berghen
Luc Moens
Tine De Marez
Stefaan Raes
Mark L Blaxter
Jozef Vercruysse
A1
Journal Article
in
PARASITOLOGY
1996
1995
Cloning and sequencing of an excretory/secretory antigen from Ostertagia ostertagi fourth-stage larvae containing multiple tandem repeats
Dirk de Graaf
Luc Peelman
Edwin Claerebout
Hans Hilderson
Henk DFH Schallig
Jozef Vercruysse
A1
Journal Article
in
MOLECULAR AND BIOCHEMICAL PARASITOLOGY
1995
Immunisation of calves with Ostertagia ostertagi fourth stage larval antigens failed to protect calves from infection
Hans Hilderson
Paul Berghen
Dirk de Graaf
Edwin Claerebout
Jozef Vercruysse
A1
Journal Article
in
INTERNATIONAL JOURNAL FOR PARASITOLOGY
1995
Interactions between Ostertagia ostertagi and Cooperia oncophora in calves
Hans Hilderson
Jozef Vercruysse
Edwin Claerebout
Dirk de Graaf
J Fransen
Paul Berghen
A1
Journal Article
in
VETERINARY PARASITOLOGY
1995
1994
Early development of Nosema apis (Microspora: Nosematidae) in the midgut epithelium of the honeybee (Apis Mellifera)
Dirk de Graaf
Hilda Raes
G Sabbe
P Derycke
Franciscus Jacobs
A1
Journal Article
in
JOURNAL OF INVERTEBRATE PATHOLOGY
1994
Identification and isolation of a 19.7 kDa Ostertagia ostertagi specific antigen and evaluation of its potential for immunodiagnosis
Dirk de Graaf
Paul Berghen
Hans Hilderson
Edwin Claerebout
Jozef Vercruysse
A1
Journal Article
in
INTERNATIONAL JOURNAL FOR PARASITOLOGY
1994
Spore dimorphism in Nosema apis (Microsporida, Nosematidae) developmental cycle
Dirk de Graaf
Hilda Raes
Franciscus Jacobs
A1
Journal Article
in
JOURNAL OF INVERTEBRATE PATHOLOGY
1994
1993
Characterisation of Ostertagia ostertagi antigens by the different bovine immunoglobulin isotypes
Hans Hilderson
Dirk de Graaf
Jozef Vercruysse
Paul Berghen
A1
Journal Article
in
RESEARCH IN VETERINARY SCIENCE
1993
Cross immunity between Ostertagia ostertagi and Cooperia oncophora in calves
Hans Hilderson
Jozef Vercruysse
Edwin Claerebout
Dirk de Graaf
J Fransen
Paul Berghen
C3
Conference
1993
Identification and purification of Cooperia oncophora-specific antigens to improve serological diagnosis
Dirk de Graaf
Paul Berghen
Hans Hilderson
Hilde De Cock
Jozef Vercruysse
A1
Journal Article
in
INTERNATIONAL JOURNAL FOR PARASITOLOGY
1993
In vitro germination of Nosema apis (Microspora: Nosematidae) spores and its effect on their αα-trehalose/D-glucose ratio
Dirk de Graaf
Geert Masschelein
Frans Vandergeynst
Hubert De Brabander
Franciscus Jacobs
A1
Journal Article
in
JOURNAL OF INVERTEBRATE PATHOLOGY
1993
Partial characterization of proteolytic enzymes in different developmental stages of Ostertagia ostertagi
Hilde De Cock
DP Knox
Edwin Claerebout
Dirk de Graaf
A1
Journal Article
in
JOURNAL OF HELMINTHOLOGY
1993
Purification of Cooperia oncophora specific antigens from adult worm extracts and its application in an enzyme linked immunosorbent assay
Dirk de Graaf
Hans Hilderson
Paul Berghen
Jozef Vercruysse
C3
Conference
1993
The presence of an early L4 larvae population in relation to the immune response of calves against Ostertagia ostertagi
Hans Hilderson
Jozef Vercruysse
Dirk de Graaf
P Bastiaensen
J Fransen
Paul Berghen
A1
Journal Article
in
VETERINARY PARASITOLOGY
1993
1992
Antigenic differences between the life cycle stages of Cooperia oncophora
Dirk de Graaf
Hans Hilderson
Paul Berghen
Jozef Vercruysse
A1
Journal Article
in
RESEARCH IN VETERINARY SCIENCE
1992
Partial antigen purification of the cattle nematode Cooperia oncophora
Dirk de Graaf
Paul Berghen
Hans Hilderson
Jozef Vercruysse
A1
Journal Article
in
BELGIAN JOURNAL OF BOTANY
1992
Primaire infectie van de honingbij (Apis mellifera L.) door Nosema apis Zander
Dirk de Graaf
P.H. De Rycke
F.J. Jacobs
Dissertation
1992
1991
Physiological and immunological aspects of the early developing stages of Nosema apis, midgut parasite of the honey bees
Dirk de Graaf
Franciscus Jacobs
A2
Journal Article
in
Ann. Soc. belge Méd. trop., nr. 71, p. 159
1991
Tissue specificity of Nosema apis
Dirk de Graaf
Franciscus Jacobs
A1
Journal Article
in
JOURNAL OF INVERTEBRATE PATHOLOGY
1991
1988
Hersenproteïnen bij de honingbij (Apis mellifera L.)
L Bonnarens
Dirk de Graaf
Franciscus Jacobs
C3
Conference
1988