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The Honeybee Gut Microbiota Is Altered after Chronic Exposure to Different Families of Insecticides and Infection by Nosema ceranae.

Rouzé R, Moné A, Delbac F, Belzunces L, Blot N.

Microbes Environ. 2019 Sep 25;34(3):226-233. doi: 10.1264/jsme2.ME18169. Epub 2019 Aug 3.


Draft Genome Sequence of Tubulinosema ratisbonensis, a Microsporidian Species Infecting the Model Organism Drosophila melanogaster.

Polonais V, Niehus S, Wawrzyniak I, Franchet A, Gaspin C, Belkorchia A, Reichstadt M, Belser C, Labadie K, Couloux A, Delbac F, Peyretaillade E, Ferrandon D.

Microbiol Resour Announc. 2019 Aug 1;8(31). pii: e00077-19. doi: 10.1128/MRA.00077-19.


Efficient and reproducible experimental infections of rats with Blastocystis spp.

Defaye M, Nourrisson C, Baudu E, Warwzyniak I, Bonnin V, Bonnet M, Barnich N, Ardid D, Delbac F, Carvalho FA, Poirier P.

PLoS One. 2018 Nov 19;13(11):e0207669. doi: 10.1371/journal.pone.0207669. eCollection 2018.


Impact of the microsporidian Nosema ceranae on the gut epithelium renewal of the honeybee, Apis mellifera.

Panek J, Paris L, Roriz D, Mone A, Dubuffet A, Delbac F, Diogon M, El Alaoui H.

J Invertebr Pathol. 2018 Nov;159:121-128. doi: 10.1016/j.jip.2018.09.007. Epub 2018 Sep 27.


Effects of the gut parasite Nosema ceranae on honey bee physiology and behavior.

Paris L, El Alaoui H, Delbac F, Diogon M.

Curr Opin Insect Sci. 2018 Apr;26:149-154. doi: 10.1016/j.cois.2018.02.017. Epub 2018 Mar 2. Review.


Genetic diversity analysis of Blastocystis subtypes from both symptomatic and asymptomatic subjects using a barcoding region from the 18S rRNA gene.

Rezaei Riabi T, Mirjalali H, Haghighi A, Rostami Nejad M, Pourhoseingholi MA, Poirier P, Delbac F, Wawrzyniak I, Zali MR.

Infect Genet Evol. 2018 Jul;61:119-126. doi: 10.1016/j.meegid.2018.03.026. Epub 2018 Mar 31.


Disruption of oxidative balance in the gut of the western honeybee Apis mellifera exposed to the intracellular parasite Nosema ceranae and to the insecticide fipronil.

Paris L, Roussel M, Pereira B, Delbac F, Diogon M.

Microb Biotechnol. 2017 Nov;10(6):1702-1717. doi: 10.1111/1751-7915.12772. Epub 2017 Jul 24.


The role of microsporidian polar tube protein 4 (PTP4) in host cell infection.

Han B, Polonais V, Sugi T, Yakubu R, Takvorian PM, Cali A, Maier K, Long M, Levy M, Tanowitz HB, Pan G, Delbac F, Zhou Z, Weiss LM.

PLoS Pathog. 2017 Apr 20;13(4):e1006341. doi: 10.1371/journal.ppat.1006341. eCollection 2017 Apr.


Comparative genomics of microsporidian genomes reveals a minimal non-coding RNA set and new insights for transcription in minimal eukaryotic genomes.

Belkorchia A, Pombert JF, Polonais V, Parisot N, Delbac F, Brugère JF, Peyret P, Gaspin C, Peyretaillade E.

DNA Res. 2017 Jun 1;24(3):251-260. doi: 10.1093/dnares/dsx002.


Molecular Epidemiology of Blastocystis sp. in Various Animal Groups from Two French Zoos and Evaluation of Potential Zoonotic Risk.

Cian A, El Safadi D, Osman M, Moriniere R, Gantois N, Benamrouz-Vanneste S, Delgado-Viscogliosi P, Guyot K, Li LL, Monchy S, Noël C, Poirier P, Nourrisson C, Wawrzyniak I, Delbac F, Bosc S, Chabé M, Petit T, Certad G, Viscogliosi E.

PLoS One. 2017 Jan 6;12(1):e0169659. doi: 10.1371/journal.pone.0169659. eCollection 2017.


Fate and ecotoxicological impact of new generation herbicides from the triketone family: An overview to assess the environmental risks.

Dumas E, Giraudo M, Goujon E, Halma M, Knhili E, Stauffert M, Batisson I, Besse-Hoggan P, Bohatier J, Bouchard P, Celle-Jeanton H, Costa Gomes M, Delbac F, Forano C, Goupil P, Guix N, Husson P, Ledoigt G, Mallet C, Mousty C, Prévot V, Richard C, Sarraute S.

J Hazard Mater. 2017 Mar 5;325:136-156. doi: 10.1016/j.jhazmat.2016.11.059. Epub 2016 Nov 21. Review.


On Blastocystis secreted cysteine proteases: a legumain-activated cathepsin B increases paracellular permeability of intestinal Caco-2 cell monolayers.

Nourrisson C, Wawrzyniak I, Cian A, Livrelli V, Viscogliosi E, Delbac F, Poirier P.

Parasitology. 2016 Nov;143(13):1713-1722. Epub 2016 Sep 9.


Prevalence, risk factors for infection and subtype distribution of the intestinal parasite Blastocystis sp. from a large-scale multi-center study in France.

El Safadi D, Cian A, Nourrisson C, Pereira B, Morelle C, Bastien P, Bellanger AP, Botterel F, Candolfi E, Desoubeaux G, Lachaud L, Morio F, Pomares C, Rabodonirina M, Wawrzyniak I, Delbac F, Gantois N, Certad G, Delhaes L, Poirier P, Viscogliosi E.

BMC Infect Dis. 2016 Aug 26;16(1):451. doi: 10.1186/s12879-016-1776-8.


Correction: Prevalence and Risk Factors for Intestinal Protozoan Infections with Cryptosporidium, Giardia, Blastocystis and Dientamoeba among Schoolchildren in Tripoli, Lebanon.

Osman M, El Safadi D, Cian A, Benamrouz S, Nourrisson C, Poirier P, Pereira B, Razakandrainibe R, Pinon A, Lambert C, Wawrzyniak I, Dabboussi F, Delbac F, Favennec L, Hamze M, Viscogliosi E, Certad G.

PLoS Negl Trop Dis. 2016 Apr 15;10(4):e0004643. doi: 10.1371/journal.pntd.0004643. eCollection 2016 Apr. No abstract available.


Prevalence and Risk Factors for Intestinal Protozoan Infections with Cryptosporidium, Giardia, Blastocystis and Dientamoeba among Schoolchildren in Tripoli, Lebanon.

Osman M, El Safadi D, Cian A, Benamrouz S, Nourrisson C, Poirier P, Pereira B, Razakandrainibe R, Pinon A, Lambert C, Wawrzyniak I, Dabboussi F, Delbac F, Favennec L, Hamze M, Viscogliosi E, Certad G.

PLoS Negl Trop Dis. 2016 Mar 14;10(3):e0004496. doi: 10.1371/journal.pntd.0004496. eCollection 2016 Mar. Erratum in: PLoS Negl Trop Dis. 2016 Apr;10(4):e0004643.


Draft genome sequence of the intestinal parasite Blastocystis subtype 4-isolate WR1.

Wawrzyniak I, Courtine D, Osman M, Hubans-Pierlot C, Cian A, Nourrisson C, Chabe M, Poirier P, Bart A, Polonais V, Delgado-Viscogliosi P, El Alaoui H, Belkorchia A, van Gool T, Tan KS, Ferreira S, Viscogliosi E, Delbac F.

Genom Data. 2015 Feb 2;4:22-3. doi: 10.1016/j.gdata.2015.01.009. eCollection 2015 Jun.


Antimicrosporidian activity of sulphated polysaccharides from algae and their potential to control honeybee nosemosis.

Roussel M, Villay A, Delbac F, Michaud P, Laroche C, Roriz D, El Alaoui H, Diogon M.

Carbohydr Polym. 2015 Nov 20;133:213-20. doi: 10.1016/j.carbpol.2015.07.022. Epub 2015 Jul 13.


Blastocystis is associated with decrease of fecal microbiota protective bacteria: comparative analysis between patients with irritable bowel syndrome and control subjects.

Nourrisson C, Scanzi J, Pereira B, NkoudMongo C, Wawrzyniak I, Cian A, Viscogliosi E, Livrelli V, Delbac F, Dapoigny M, Poirier P.

PLoS One. 2014 Nov 3;9(11):e111868. doi: 10.1371/journal.pone.0111868. eCollection 2014.


Blastocystis, an unrecognized parasite: an overview of pathogenesis and diagnosis.

Wawrzyniak I, Poirier P, Viscogliosi E, Dionigia M, Texier C, Delbac F, Alaoui HE.

Ther Adv Infect Dis. 2013 Oct;1(5):167-78. doi: 10.1177/2049936113504754. Review.


Differential proteomic analysis of midguts from Nosema ceranae-infected honeybees reveals manipulation of key host functions.

Vidau C, Panek J, Texier C, Biron DG, Belzunces LP, Le Gall M, Broussard C, Delbac F, El Alaoui H.

J Invertebr Pathol. 2014 Sep;121:89-96. doi: 10.1016/j.jip.2014.07.002. Epub 2014 Jul 16.


Hijacking of host cellular functions by an intracellular parasite, the microsporidian Anncaliia algerae.

Panek J, El Alaoui H, Mone A, Urbach S, Demettre E, Texier C, Brun C, Zanzoni A, Peyretaillade E, Parisot N, Lerat E, Peyret P, Delbac F, Biron DG.

PLoS One. 2014 Jun 26;9(6):e100791. doi: 10.1371/journal.pone.0100791. eCollection 2014.


Children of Senegal River Basin show the highest prevalence of Blastocystis sp. ever observed worldwide.

El Safadi D, Gaayeb L, Meloni D, Cian A, Poirier P, Wawrzyniak I, Delbac F, Dabboussi F, Delhaes L, Seck M, Hamze M, Riveau G, Viscogliosi E.

BMC Infect Dis. 2014 Mar 25;14:164. doi: 10.1186/1471-2334-14-164.


Transcriptome analyses of the honeybee response to Nosema ceranae and insecticides.

Aufauvre J, Misme-Aucouturier B, Viguès B, Texier C, Delbac F, Blot N.

PLoS One. 2014 Mar 19;9(3):e91686. doi: 10.1371/journal.pone.0091686. eCollection 2014.


Molecular subtyping of Blastocystis spp. using a new rDNA marker from the mitochondria-like organelle genome.

Poirier P, Meloni D, Nourrisson C, Wawrzyniak I, Viscogliosi E, Livrelli V, Delbac F.

Parasitology. 2014 Apr;141(5):670-81. doi: 10.1017/S0031182013001996. Epub 2014 Jan 27.


Optimisation of culture parameters for exopolysaccharides production by the microalga Rhodella violacea.

Villay A, Laroche C, Roriz D, El Alaoui H, Delbac F, Michaud P.

Bioresour Technol. 2013 Oct;146:732-735. doi: 10.1016/j.biortech.2013.07.030. Epub 2013 Jul 12.


New insights on the genetic diversity of the honeybee parasite Nosema ceranae based on multilocus sequence analysis.

Roudel M, Aufauvre J, Corbara B, Delbac F, Blot N.

Parasitology. 2013 Sep;140(11):1346-56. doi: 10.1017/S0031182013001133. Epub 2013 Jul 23.


Widespread occurrence of chemical residues in beehive matrices from apiaries located in different landscapes of Western France.

Lambert O, Piroux M, Puyo S, Thorin C, L'Hostis M, Wiest L, Buleté A, Delbac F, Pouliquen H.

PLoS One. 2013 Jun 17;8(6):e67007. doi: 10.1371/journal.pone.0067007. Print 2013.


Identification of two new polar tube proteins related to polar tube protein 2 in the microsporidian Antonospora locustae.

Polonais V, Belkorchia A, Roussel M, Peyretaillade E, Peyret P, Diogon M, Delbac F.

FEMS Microbiol Lett. 2013 Sep;346(1):36-44. doi: 10.1111/1574-6968.12198. Epub 2013 Jul 17.


Comparative susceptibility of three Western honeybee taxa to the microsporidian parasite Nosema ceranae.

Fontbonne R, Garnery L, Vidau C, Aufauvre J, Texier C, Tchamitchian S, El Alaoui H, Brunet JL, Delbac F, Biron DG.

Infect Genet Evol. 2013 Jul;17:188-94. doi: 10.1016/j.meegid.2013.04.016. Epub 2013 Apr 22.


Molecular epidemiology of Blastocystis in Lebanon and correlation between subtype 1 and gastrointestinal symptoms.

El Safadi D, Meloni D, Poirier P, Osman M, Cian A, Gaayeb L, Wawrzyniak I, Delbac F, El Alaoui H, Delhaes L, Dei-Cas E, Mallat H, Dabboussi F, Hamze M, Viscogliosi E.

Am J Trop Med Hyg. 2013 Jun;88(6):1203-6. doi: 10.4269/ajtmh.12-0777. Epub 2013 Mar 4.


Annotation of microsporidian genomes using transcriptional signals.

Peyretaillade E, Parisot N, Polonais V, Terrat S, Denonfoux J, Dugat-Bony E, Wawrzyniak I, Biderre-Petit C, Mahul A, Rimour S, Gonçalves O, Bornes S, Delbac F, Chebance B, Duprat S, Samson G, Katinka M, Weissenbach J, Wincker P, Peyret P.

Nat Commun. 2012;3:1137. doi: 10.1038/ncomms2156.


Bees, honey and pollen as sentinels for lead environmental contamination.

Lambert O, Piroux M, Puyo S, Thorin C, Larhantec M, Delbac F, Pouliquen H.

Environ Pollut. 2012 Nov;170:254-9. doi: 10.1016/j.envpol.2012.07.012. Epub 2012 Jul 27.


TFIID TAF6-TAF9 complex formation involves the HEAT repeat-containing C-terminal domain of TAF6 and is modulated by TAF5 protein.

Scheer E, Delbac F, Tora L, Moras D, Romier C.

J Biol Chem. 2012 Aug 10;287(33):27580-92. doi: 10.1074/jbc.M112.379206. Epub 2012 Jun 13.


Mixed human intra- and inter-subtype infections with the parasite Blastocystis sp.

Meloni D, Poirier P, Mantini C, Noël C, Gantois N, Wawrzyniak I, Delbac F, Chabé M, Delhaes L, Dei-Cas E, Fiori PL, El Alaoui H, Viscogliosi E.

Parasitol Int. 2012 Dec;61(4):719-22. doi: 10.1016/j.parint.2012.05.012. Epub 2012 May 29.


Parasite-insecticide interactions: a case study of Nosema ceranae and fipronil synergy on honeybee.

Aufauvre J, Biron DG, Vidau C, Fontbonne R, Roudel M, Diogon M, Viguès B, Belzunces LP, Delbac F, Blot N.

Sci Rep. 2012;2:326. doi: 10.1038/srep00326. Epub 2012 Mar 22.


New insights into Blastocystis spp.: a potential link with irritable bowel syndrome.

Poirier P, Wawrzyniak I, Vivarès CP, Delbac F, El Alaoui H.

PLoS Pathog. 2012;8(3):e1002545. doi: 10.1371/journal.ppat.1002545. Epub 2012 Mar 15. No abstract available.


Characterization of two cysteine proteases secreted by Blastocystis ST7, a human intestinal parasite.

Wawrzyniak I, Texier C, Poirier P, Viscogliosi E, Tan KS, Delbac F, El Alaoui H.

Parasitol Int. 2012 Sep;61(3):437-42. doi: 10.1016/j.parint.2012.02.007. Epub 2012 Feb 25.


Polycyclic aromatic hydrocarbons: bees, honey and pollen as sentinels for environmental chemical contaminants.

Lambert O, Veyrand B, Durand S, Marchand P, Le Bizec B, Piroux M, Puyo S, Thorin C, Delbac F, Pouliquen H.

Chemosphere. 2012 Jan;86(1):98-104. doi: 10.1016/j.chemosphere.2011.09.025. Epub 2011 Nov 1.


Exposure to sublethal doses of fipronil and thiacloprid highly increases mortality of honeybees previously infected by Nosema ceranae.

Vidau C, Diogon M, Aufauvre J, Fontbonne R, Viguès B, Brunet JL, Texier C, Biron DG, Blot N, El Alaoui H, Belzunces LP, Delbac F.

PLoS One. 2011;6(6):e21550. doi: 10.1371/journal.pone.0021550. Epub 2011 Jun 28.


Genome sequence of the stramenopile Blastocystis, a human anaerobic parasite.

Denoeud F, Roussel M, Noel B, Wawrzyniak I, Da Silva C, Diogon M, Viscogliosi E, Brochier-Armanet C, Couloux A, Poulain J, Segurens B, Anthouard V, Texier C, Blot N, Poirier P, Ng GC, Tan KS, Artiguenave F, Jaillon O, Aury JM, Delbac F, Wincker P, Vivarès CP, El Alaoui H.

Genome Biol. 2011;12(3):R29. doi: 10.1186/gb-2011-12-3-r29. Epub 2011 Mar 25.


Extreme reduction and compaction of microsporidian genomes.

Peyretaillade E, El Alaoui H, Diogon M, Polonais V, Parisot N, Biron DG, Peyret P, Delbac F.

Res Microbiol. 2011 Jul-Aug;162(6):598-606. doi: 10.1016/j.resmic.2011.03.004. Epub 2011 Mar 21.


Molecular subtyping of Blastocystis sp. isolates from symptomatic patients in Italy.

Meloni D, Sanciu G, Poirier P, El Alaoui H, Chabé M, Delhaes L, Dei-Cas E, Delbac F, Luigi Fiori P, Di Cave D, Viscogliosi E.

Parasitol Res. 2011 Sep;109(3):613-9. doi: 10.1007/s00436-011-2294-7. Epub 2011 Feb 22.


Development and evaluation of a real-time PCR assay for detection and quantification of blastocystis parasites in human stool samples: prospective study of patients with hematological malignancies.

Poirier P, Wawrzyniak I, Albert A, El Alaoui H, Delbac F, Livrelli V.

J Clin Microbiol. 2011 Mar;49(3):975-83. doi: 10.1128/JCM.01392-10. Epub 2010 Dec 22.


Microsporidia: a model for minimal parasite-host interactions.

Texier C, Vidau C, Viguès B, El Alaoui H, Delbac F.

Curr Opin Microbiol. 2010 Aug;13(4):443-9. doi: 10.1016/j.mib.2010.05.005. Epub 2010 Jun 9. Review.


The human microsporidian Encephalitozoon hellem synthesizes two spore wall polymorphic proteins useful for epidemiological studies.

Polonais V, Mazet M, Wawrzyniak I, Texier C, Blot N, El Alaoui H, Delbac F.

Infect Immun. 2010 May;78(5):2221-30. doi: 10.1128/IAI.01225-09. Epub 2010 Mar 15.


Identification of transcriptional signals in Encephalitozoon cuniculi widespread among Microsporidia phylum: support for accurate structural genome annotation.

Peyretaillade E, Gonçalves O, Terrat S, Dugat-Bony E, Wincker P, Cornman RS, Evans JD, Delbac F, Peyret P.

BMC Genomics. 2009 Dec 15;10:607. doi: 10.1186/1471-2164-10-607.


Subtype analysis of Blastocystis isolates from symptomatic patients in Egypt.

Souppart L, Moussa H, Cian A, Sanciu G, Poirier P, El Alaoui H, Delbac F, Boorom K, Delhaes L, Dei-Cas E, Viscogliosi E.

Parasitol Res. 2010 Jan;106(2):505-11. doi: 10.1007/s00436-009-1693-5. Epub 2009 Dec 2.


Molecular epidemiology of human Blastocystis isolates in France.

Souppart L, Sanciu G, Cian A, Wawrzyniak I, Delbac F, Capron M, Dei-Cas E, Boorom K, Delhaes L, Viscogliosi E.

Parasitol Res. 2009 Aug;105(2):413-21. doi: 10.1007/s00436-009-1398-9. Epub 2009 Mar 17.


Complete circular DNA in the mitochondria-like organelles of Blastocystis hominis.

Wawrzyniak I, Roussel M, Diogon M, Couloux A, Texier C, Tan KS, Vivarès CP, Delbac F, Wincker P, El Alaoui H.

Int J Parasitol. 2008 Oct;38(12):1377-82. doi: 10.1016/j.ijpara.2008.06.001. Epub 2008 Jul 23.


The microsporidian polar tube and its role in invasion.

Delbac F, Polonais V.

Subcell Biochem. 2008;47:208-20. Review. No abstract available.


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