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In vitro Study of Lactobacillus paracasei CNCM I-1518 in Healthy and Clostridioides difficile Colonized Elderly Gut Microbiota.

Fehlbaum S, Chassard C, Schwab C, Voolaid M, Fourmestraux C, Derrien M, Lacroix C.

Front Nutr. 2019 Dec 10;6:184. doi: 10.3389/fnut.2019.00184. eCollection 2019.


Curative Treatment of Candidiasis by the Live Biotherapeutic Microorganism Lactobacillus rhamnosus Lcr35® in the Invertebrate Model Caenorhabditis elegans: First Mechanistic Insights.

Poupet C, Veisseire P, Bonnet M, Camarès O, Gachinat M, Dausset C, Chassard C, Nivoliez A, Bornes S.

Microorganisms. 2019 Dec 23;8(1). pii: E34. doi: 10.3390/microorganisms8010034.


Lactobacillus rhamnosus Lcr35 as an effective treatment for preventing Candida albicans infection in the invertebrate model Caenorhabditis elegans: First mechanistic insights.

Poupet C, Saraoui T, Veisseire P, Bonnet M, Dausset C, Gachinat M, Camarès O, Chassard C, Nivoliez A, Bornes S.

PLoS One. 2019 Nov 6;14(11):e0216184. doi: 10.1371/journal.pone.0216184. eCollection 2019.


DAIRYdb: a manually curated reference database for improved taxonomy annotation of 16S rRNA gene sequences from dairy products.

Meola M, Rifa E, Shani N, Delbès C, Berthoud H, Chassard C.

BMC Genomics. 2019 Jul 8;20(1):560. doi: 10.1186/s12864-019-5914-8.


Lactate Metabolism Is Strongly Modulated by Fecal Inoculum, pH, and Retention Time in PolyFermS Continuous Colonic Fermentation Models Mimicking Young Infant Proximal Colon.

Pham VT, Chassard C, Rifa E, Braegger C, Geirnaert A, Rocha Martin VN, Lacroix C.

mSystems. 2019 May 28;4(4). pii: e00264-18. doi: 10.1128/mSystems.00264-18.


High levels of butyrate and propionate in early life are associated with protection against atopy.

Roduit C, Frei R, Ferstl R, Loeliger S, Westermann P, Rhyner C, Schiavi E, Barcik W, Rodriguez-Perez N, Wawrzyniak M, Chassard C, Lacroix C, Schmausser-Hechfellner E, Depner M, von Mutius E, Braun-Fahrländer C, Karvonen AM, Kirjavainen PV, Pekkanen J, Dalphin JC, Riedler J, Akdis C, Lauener R, O'Mahony L; PASTURE/EFRAIM study group.

Allergy. 2019 Apr;74(4):799-809. doi: 10.1111/all.13660. Epub 2018 Nov 25.


Lactate-utilizing community is associated with gut microbiota dysbiosis in colicky infants.

Pham VT, Lacroix C, Braegger CP, Chassard C.

Sci Rep. 2017 Sep 11;7(1):11176. doi: 10.1038/s41598-017-11509-1.


Effect of dietary nucleosides and yeast extracts on composition and metabolic activity of infant gut microbiota in PolyFermS colonic fermentation models.

Doo EH, Chassard C, Schwab C, Lacroix C.

FEMS Microbiol Ecol. 2017 Aug 1;93(8). doi: 10.1093/femsec/fix088.


The extracellular proteome of two Bifidobacterium species reveals different adaptation strategies to low iron conditions.

Vazquez-Gutierrez P, Stevens MJ, Gehrig P, Barkow-Oesterreicher S, Lacroix C, Chassard C.

BMC Genomics. 2017 Jan 6;18(1):41. doi: 10.1186/s12864-016-3472-x.


Clostridium difficile colonization and antibiotics response in PolyFermS continuous model mimicking elderly intestinal fermentation.

Fehlbaum S, Chassard C, Poeker SA, Derrien M, Fourmestraux C, Lacroix C.

Gut Pathog. 2016 Dec 1;8:63. eCollection 2016.


High Iron-Sequestrating Bifidobacteria Inhibit Enteropathogen Growth and Adhesion to Intestinal Epithelial Cells In vitro.

Vazquez-Gutierrez P, de Wouters T, Werder J, Chassard C, Lacroix C.

Front Microbiol. 2016 Sep 22;7:1480. eCollection 2016.


Early colonization of functional groups of microbes in the infant gut.

Pham VT, Lacroix C, Braegger CP, Chassard C.

Environ Microbiol. 2016 Jul;18(7):2246-58. doi: 10.1111/1462-2920.13316. Epub 2016 May 26.


Bifidobacterium thermophilum RBL67 impacts on growth and virulence gene expression of Salmonella enterica subsp. enterica serovar Typhimurium.

Tanner SA, Chassard C, Rigozzi E, Lacroix C, Stevens MJ.

BMC Microbiol. 2016 Mar 18;16:46. doi: 10.1186/s12866-016-0659-x.


The strict anaerobic gut microbe Eubacterium hallii transforms the carcinogenic dietary heterocyclic amine 2-amino-1-methyl-6-phenylimidazo[4,5-b]pyridine (PhIP).

Fekry MI, Engels C, Zhang J, Schwab C, Lacroix C, Sturla SJ, Chassard C.

Environ Microbiol Rep. 2016 Apr;8(2):201-9. doi: 10.1111/1758-2229.12369. Epub 2016 Jan 28.


Iron Modulates Butyrate Production by a Child Gut Microbiota In Vitro.

Dostal A, Lacroix C, Bircher L, Pham VT, Follador R, Zimmermann MB, Chassard C.

mBio. 2015 Nov 17;6(6):e01453-15. doi: 10.1128/mBio.01453-15.


Design and Investigation of PolyFermS In Vitro Continuous Fermentation Models Inoculated with Immobilized Fecal Microbiota Mimicking the Elderly Colon.

Fehlbaum S, Chassard C, Haug MC, Fourmestraux C, Derrien M, Lacroix C.

PLoS One. 2015 Nov 11;10(11):e0142793. doi: 10.1371/journal.pone.0142793. eCollection 2015.


Effect of Bifidobacterium thermophilum RBL67 and fructo-oligosaccharides on the gut microbiota in Göttingen minipigs.

Tanner SA, Lacroix C, Del'Homme C, Jans C, Zihler Berner A, Bernalier-Donadille A, Chassard C.

Br J Nutr. 2015 Sep 14;114(5):746-55. doi: 10.1017/S0007114515002263.


Sialic acid catabolism drives intestinal inflammation and microbial dysbiosis in mice.

Huang YL, Chassard C, Hausmann M, von Itzstein M, Hennet T.

Nat Commun. 2015 Aug 25;6:8141. doi: 10.1038/ncomms9141.


Impact of human milk bacteria and oligosaccharides on neonatal gut microbiota establishment and gut health.

Jost T, Lacroix C, Braegger C, Chassard C.

Nutr Rev. 2015 Jul;73(7):426-37. doi: 10.1093/nutrit/nuu016. Epub 2015 Apr 15. Review.


Bifidobacterium pseudolongum Strain PV8-2, Isolated from a Stool Sample of an Anemic Kenyan Infant.

Vazquez-Gutierrez P, Lacroix C, Chassard C, Klumpp J, Stevens MJ, Jans C.

Genome Announc. 2015 Jan 22;3(1). pii: e01469-14. doi: 10.1128/genomeA.01469-14.


Complete and Assembled Genome Sequence of Bifidobacterium kashiwanohense PV20-2, Isolated from the Feces of an Anemic Kenyan Infant.

Vazquez-Gutierrez P, Lacroix C, Chassard C, Klumpp J, Jans C, Stevens MJ.

Genome Announc. 2015 Jan 22;3(1). pii: e01467-14. doi: 10.1128/genomeA.01467-14.


Bifidobacteria strains isolated from stools of iron deficient infants can efficiently sequester iron.

Vazquez-Gutierrez P, Lacroix C, Jaeggi T, Zeder C, Zimmerman MB, Chassard C.

BMC Microbiol. 2015 Jan 16;15:3. doi: 10.1186/s12866-014-0334-z.


Integrated multi-scale strategies to investigate nutritional compounds and their effect on the gut microbiota.

Lacroix C, de Wouters T, Chassard C.

Curr Opin Biotechnol. 2015 Apr;32:149-155. doi: 10.1016/j.copbio.2014.12.009. Epub 2015 Jan 3. Review.


PTPN2 controls differentiation of CD4⁺ T cells and limits intestinal inflammation and intestinal dysbiosis.

Spalinger MR, Kasper S, Chassard C, Raselli T, Frey-Wagner I, Gottier C, Lang S, Atrott K, Vavricka SR, Mair F, Becher B, Lacroix C, Fried M, Rogler G, Scharl M.

Mucosal Immunol. 2015 Jul;8(4):918-29. doi: 10.1038/mi.2014.122. Epub 2014 Dec 10.


Synergistic effects of Bifidobacterium thermophilum RBL67 and selected prebiotics on inhibition of Salmonella colonization in the swine proximal colon PolyFermS model.

Tanner SA, Chassard C, Zihler Berner A, Lacroix C.

Gut Pathog. 2014 Oct 24;6(1):44. doi: 10.1186/s13099-014-0044-y. eCollection 2014.


Iron fortification adversely affects the gut microbiome, increases pathogen abundance and induces intestinal inflammation in Kenyan infants.

Jaeggi T, Kortman GA, Moretti D, Chassard C, Holding P, Dostal A, Boekhorst J, Timmerman HM, Swinkels DW, Tjalsma H, Njenga J, Mwangi A, Kvalsvig J, Lacroix C, Zimmermann MB.

Gut. 2015 May;64(5):731-42. doi: 10.1136/gutjnl-2014-307720. Epub 2014 Aug 20.


Histamine receptor 2 is a key influence in immune responses to intestinal histamine-secreting microbes.

Ferstl R, Frei R, Schiavi E, Konieczna P, Barcik W, Ziegler M, Lauener RP, Chassard C, Lacroix C, Akdis CA, O'Mahony L.

J Allergy Clin Immunol. 2014 Sep;134(3):744-746.e3. doi: 10.1016/j.jaci.2014.04.034. Epub 2014 Jun 20. No abstract available.


Effects of iron supplementation on dominant bacterial groups in the gut, faecal SCFA and gut inflammation: a randomised, placebo-controlled intervention trial in South African children.

Dostal A, Baumgartner J, Riesen N, Chassard C, Smuts CM, Zimmermann MB, Lacroix C.

Br J Nutr. 2014 Aug 28;112(4):547-56. doi: 10.1017/S0007114514001160. Epub 2014 Jun 11.


In vitro continuous fermentation model (PolyFermS) of the swine proximal colon for simultaneous testing on the same gut microbiota.

Tanner SA, Zihler Berner A, Rigozzi E, Grattepanche F, Chassard C, Lacroix C.

PLoS One. 2014 Apr 7;9(4):e94123. doi: 10.1371/journal.pone.0094123. eCollection 2014.


Salmonella adhesion, invasion and cellular immune responses are differentially affected by iron concentrations in a combined in vitro gut fermentation-cell model.

Dostal A, Gagnon M, Chassard C, Zimmermann MB, O'Mahony L, Lacroix C.

PLoS One. 2014 Mar 27;9(3):e93549. doi: 10.1371/journal.pone.0093549. eCollection 2014.


Iron supplementation promotes gut microbiota metabolic activity but not colitis markers in human gut microbiota-associated rats.

Dostal A, Lacroix C, Pham VT, Zimmermann MB, Del'homme C, Bernalier-Donadille A, Chassard C.

Br J Nutr. 2014 Jun 28;111(12):2135-45. doi: 10.1017/S000711451400021X. Epub 2014 Feb 21.


Probiotics tailored to the infant: a window of opportunity.

Chassard C, de Wouters T, Lacroix C.

Curr Opin Biotechnol. 2014 Apr;26:141-7. doi: 10.1016/j.copbio.2013.12.012. Epub 2014 Jan 28. Review.


Selective proliferation of intestinal Barnesiella under fucosyllactose supplementation in mice.

Weiss GA, Chassard C, Hennet T.

Br J Nutr. 2014 May;111(9):1602-10. doi: 10.1017/S0007114513004200. Epub 2014 Jan 10.


Stability of the maternal gut microbiota during late pregnancy and early lactation.

Jost T, Lacroix C, Braegger C, Chassard C.

Curr Microbiol. 2014 Apr;68(4):419-27. doi: 10.1007/s00284-013-0491-6. Epub 2013 Nov 21.


Novel Polyfermentor intestinal model (PolyFermS) for controlled ecological studies: validation and effect of pH.

Zihler Berner A, Fuentes S, Dostal A, Payne AN, Vazquez Gutierrez P, Chassard C, Grattepanche F, de Vos WM, Lacroix C.

PLoS One. 2013 Oct 30;8(10):e77772. doi: 10.1371/journal.pone.0077772. eCollection 2013.


Vertical mother-neonate transfer of maternal gut bacteria via breastfeeding.

Jost T, Lacroix C, Braegger CP, Rochat F, Chassard C.

Environ Microbiol. 2014 Sep;16(9):2891-904. doi: 10.1111/1462-2920.12238. Epub 2013 Sep 3.


Comparison of the Caco-2, HT-29 and the mucus-secreting HT29-MTX intestinal cell models to investigate Salmonella adhesion and invasion.

Gagnon M, Zihler Berner A, Chervet N, Chassard C, Lacroix C.

J Microbiol Methods. 2013 Sep;94(3):274-9. doi: 10.1016/j.mimet.2013.06.027. Epub 2013 Jul 5.


Carbohydrates and the human gut microbiota.

Chassard C, Lacroix C.

Curr Opin Clin Nutr Metab Care. 2013 Jul;16(4):453-60. doi: 10.1097/MCO.0b013e3283619e63. Review.


Assessment of bacterial diversity in breast milk using culture-dependent and culture-independent approaches.

Jost T, Lacroix C, Braegger C, Chassard C.

Br J Nutr. 2013 Oct;110(7):1253-62. doi: 10.1017/S0007114513000597. Epub 2013 Mar 14.


New insights in gut microbiota establishment in healthy breast fed neonates.

Jost T, Lacroix C, Braegger CP, Chassard C.

PLoS One. 2012;7(8):e44595. doi: 10.1371/journal.pone.0044595. Epub 2012 Aug 30.


Low iron availability in continuous in vitro colonic fermentations induces strong dysbiosis of the child gut microbial consortium and a decrease in main metabolites.

Dostal A, Fehlbaum S, Chassard C, Zimmermann MB, Lacroix C.

FEMS Microbiol Ecol. 2013 Jan;83(1):161-75. doi: 10.1111/j.1574-6941.2012.01461.x. Epub 2012 Aug 28.


Inulin modifies the bifidobacteria population, fecal lactate concentration, and fecal pH but does not influence iron absorption in women with low iron status.

Petry N, Egli I, Chassard C, Lacroix C, Hurrell R.

Am J Clin Nutr. 2012 Aug;96(2):325-31. doi: 10.3945/ajcn.112.035717. Epub 2012 Jun 27.


Gut microbial adaptation to dietary consumption of fructose, artificial sweeteners and sugar alcohols: implications for host-microbe interactions contributing to obesity.

Payne AN, Chassard C, Lacroix C.

Obes Rev. 2012 Sep;13(9):799-809. doi: 10.1111/j.1467-789X.2012.01009.x. Epub 2012 Jun 11. Review.


The composition and metabolic activity of child gut microbiota demonstrate differential adaptation to varied nutrient loads in an in vitro model of colonic fermentation.

Payne AN, Chassard C, Banz Y, Lacroix C.

FEMS Microbiol Ecol. 2012 Jun;80(3):608-23. doi: 10.1111/j.1574-6941.2012.01330.x. Epub 2012 Mar 27.


Functional dysbiosis within the gut microbiota of patients with constipated-irritable bowel syndrome.

Chassard C, Dapoigny M, Scott KP, Crouzet L, Del'homme C, Marquet P, Martin JC, Pickering G, Ardid D, Eschalier A, Dubray C, Flint HJ, Bernalier-Donadille A.

Aliment Pharmacol Ther. 2012 Apr;35(7):828-38. doi: 10.1111/j.1365-2036.2012.05007.x. Epub 2012 Feb 8.


Iron depletion and repletion with ferrous sulfate or electrolytic iron modifies the composition and metabolic activity of the gut microbiota in rats.

Dostal A, Chassard C, Hilty FM, Zimmermann MB, Jaeggi T, Rossi S, Lacroix C.

J Nutr. 2012 Feb;142(2):271-7. doi: 10.3945/jn.111.148643. Epub 2011 Dec 21.


Protective effect of probiotics on Salmonella infectivity assessed with combined in vitro gut fermentation-cellular models.

Zihler A, Gagnon M, Chassard C, Lacroix C.

BMC Microbiol. 2011 Dec 15;11:264. doi: 10.1186/1471-2180-11-264.


Advances and perspectives in in vitro human gut fermentation modeling.

Payne AN, Zihler A, Chassard C, Lacroix C.

Trends Biotechnol. 2012 Jan;30(1):17-25. doi: 10.1016/j.tibtech.2011.06.011. Epub 2011 Jul 20. Review.


Ruminococcus champanellensis sp. nov., a cellulose-degrading bacterium from human gut microbiota.

Chassard C, Delmas E, Robert C, Lawson PA, Bernalier-Donadille A.

Int J Syst Evol Microbiol. 2012 Jan;62(Pt 1):138-43. doi: 10.1099/ijs.0.027375-0. Epub 2011 Feb 25.


The metabolic activity of gut microbiota in obese children is increased compared with normal-weight children and exhibits more exhaustive substrate utilization.

Payne AN, Chassard C, Zimmermann M, Müller P, Stinca S, Lacroix C.

Nutr Diabetes. 2011 Jul 18;1:e12. doi: 10.1038/nutd.2011.8.

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