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Hepatoprotective effects of synbiotic soy yogurt on mice fed a high-cholesterol diet.

Sengupta S, Koley H, Dutta S, Bhowal J.

Nutrition. 2019 Jul - Aug;63-64:36-44. doi: 10.1016/j.nut.2019.01.009. Epub 2019 Jan 24.


Studies on formulation of a combination heat killed immunogen from diarrheagenic Escherichia coli and Vibrio cholerae in RITARD model.

Mukherjee P, Mondal V, Bhaumik U, Sinha R, Sarkar S, Mitra S, Howlader DR, Maiti S, Mukhopadhyay AK, Dutta S, Koley H.

Microbes Infect. 2019 Oct - Nov;21(8-9):368-376. doi: 10.1016/j.micinf.2019.02.007. Epub 2019 Mar 7.


Haitian Variant Vibrio cholerae O1 Strains Manifest Higher Virulence in Animal Models.

Ghosh P, Sinha R, Samanta P, Saha DR, Koley H, Dutta S, Okamoto K, Ghosh A, Ramamurthy T, Mukhopadhyay AK.

Front Microbiol. 2019 Feb 5;10:111. doi: 10.3389/fmicb.2019.00111. eCollection 2019.


Effects of nano-sizing on lipid bioaccessibility and ex vivo bioavailability from EPA-DHA rich oil in water nanoemulsion.

Dey TK, Koley H, Ghosh M, Dey S, Dhar P.

Food Chem. 2019 Mar 1;275:135-142. doi: 10.1016/j.foodchem.2018.09.084. Epub 2018 Sep 14.


Erratum for Withey et al., "Conjugated Linoleic Acid Reduces Cholera Toxin Production In Vitro and In Vivo by Inhibiting Vibrio cholerae ToxT Activity".

Withey JH, Nag D, Plecha SC, Sinha R, Koley H.

Antimicrob Agents Chemother. 2019 Jan 29;63(2). pii: e02493-18. doi: 10.1128/AAC.02493-18. Print 2019 Feb. No abstract available.


In vivo fluid accumulation-inhibitory, anticolonization and anti-inflammatory and in vitro biofilm-inhibitory activities of methyl gallate isolated from Terminalia chebula against fluoroquinolones resistant Vibrio cholerae.

Bag PK, Roy N, Acharyya S, Saha DR, Koley H, Sarkar P, Bhowmik P.

Microb Pathog. 2019 Mar;128:41-46. doi: 10.1016/j.micpath.2018.12.037. Epub 2018 Dec 19.


Development of a novel S. Typhi and Paratyphi A outer membrane vesicles based bivalent vaccine against enteric fever.

Howlader DR, Koley H, Sinha R, Maiti S, Bhaumik U, Mukherjee P, Dutta S.

PLoS One. 2018 Sep 14;13(9):e0203631. doi: 10.1371/journal.pone.0203631. eCollection 2018.


Isolation and Characterization of Novel Broad Host Range Bacteriophages of Vibrio cholerae O1 from Bengal.

Sarkar S, Das M, Bhowmick TS, Koley H, Atterbury R, Chakrabarti AK, Sarkar BL.

J Glob Infect Dis. 2018 Apr-Jun;10(2):84-88. doi: 10.4103/jgid.jgid_37_17.


Antibacterial activity of polyphenolic fraction of Kombucha against Vibrio cholerae: targeting cell membrane.

Bhattacharya D, Ghosh D, Bhattacharya S, Sarkar S, Karmakar P, Koley H, Gachhui R.

Lett Appl Microbiol. 2018 Feb;66(2):145-152. doi: 10.1111/lam.12829.


A brief review on the immunological scenario and recent developmental status of vaccines against enteric fever.

Howlader DR, Koley H, Maiti S, Bhaumik U, Mukherjee P, Dutta S.

Vaccine. 2017 Nov 7;35(47):6359-6366. doi: 10.1016/j.vaccine.2017.09.066. Epub 2017 Oct 12. Review.


An attenuated Shigella mutant lacking the RNA-binding protein Hfq provides cross-protection against Shigella strains of broad serotype.

Mitobe J, Sinha R, Mitra S, Nag D, Saito N, Shimuta K, Koizumi N, Koley H.

PLoS Negl Trop Dis. 2017 Jul 20;11(7):e0005728. doi: 10.1371/journal.pntd.0005728. eCollection 2017 Jul.


Retinoic acid pre-treatment down regulates V. cholerae outer membrane vesicles induced acute inflammation and enhances mucosal immunity.

Sinha R, Howlader DR, Ta A, Mitra S, Das S, Koley H.

Vaccine. 2017 Jun 16;35(28):3534-3547. doi: 10.1016/j.vaccine.2017.05.036. Epub 2017 May 22.


Double-stranded RNA induces cathelicidin expression in the intestinal epithelial cells through phosphatidylinositol 3-kinase-protein kinase Cζ-Sp1 pathway and ameliorates shigellosis in mice.

Ta A, Thakur BK, Dutta P, Sinha R, Koley H, Das S.

Cell Signal. 2017 Jul;35:140-153. doi: 10.1016/j.cellsig.2017.03.016. Epub 2017 Mar 24.


Ribavirin suppresses bacterial virulence by targeting LysR-type transcriptional regulators.

Mandal RS, Ta A, Sinha R, Theeya N, Ghosh A, Tasneem M, Bhunia A, Koley H, Das S.

Sci Rep. 2016 Dec 19;6:39454. doi: 10.1038/srep39454.


Characterization of the gluconate utilization system of Vibrio cholerae with special reference to virulence modulation.

Roy S, Patra T, Golder T, Chatterjee S, Koley H, Nandy RK.

Pathog Dis. 2016 Nov;74(8). pii: ftw085. Epub 2016 Sep 19.


The Role of Vibrio cholerae Haemagglutinin Protease (HAP) in Extra-Intestinal Infection.

Ghosh A, Koley H, Pal A.

J Clin Diagn Res. 2016 Sep;10(9):DC10-DC14. Epub 2016 Sep 1.


Role of a sensor histidine kinase ChiS of Vibrio cholerae in pathogenesis.

Chourashi R, Mondal M, Sinha R, Debnath A, Das S, Koley H, Chatterjee NS.

Int J Med Microbiol. 2016 Dec;306(8):657-665. doi: 10.1016/j.ijmm.2016.09.003. Epub 2016 Sep 19.


Antibacterial Activity of Polyphenolic Fraction of Kombucha Against Enteric Bacterial Pathogens.

Bhattacharya D, Bhattacharya S, Patra MM, Chakravorty S, Sarkar S, Chakraborty W, Koley H, Gachhui R.

Curr Microbiol. 2016 Dec;73(6):885-896. Epub 2016 Sep 16.


Zebrafish as a novel model for non-typhoidal Salmonella pathogenesis, transmission and vaccine efficacy.

Howlader DR, Sinha R, Nag D, Majumder N, Mukherjee P, Bhaumik U, Maiti S, Withey JH, Koley H.

Vaccine. 2016 Sep 30;34(42):5099-5106. doi: 10.1016/j.vaccine.2016.08.077. Epub 2016 Sep 7.


Intracellular, biofilm-inhibitory and membrane-damaging activities of nimbolide isolated from Azadirachta indica A. Juss (Meliaceae) against meticillin-resistant Staphylococcus aureus.

Sarkar P, Acharyya S, Banerjee A, Patra A, Thankamani K, Koley H, Bag PK.

J Med Microbiol. 2016 Oct;65(10):1205-1214. doi: 10.1099/jmm.0.000343. Epub 2016 Aug 23.


Mice with Streptozotocin-Induced Hyperglycemia are Susceptible to Invasive Enteric Bacterial Infection.

Koley H, Ghosh P, Sinha R, Mitra S, Mukherjee P, Howlader DR, Chaki C, Nag D.

Jpn J Infect Dis. 2017 Jan 24;70(1):111-114. doi: 10.7883/yoken.JJID.2015.418. Epub 2016 May 9.


Evaluation of immunogenicity and protective efficacy of combination heat-killed immunogens from three entero-invasive bacteria in rabbit model.

Mukherjee P, Raychaudhuri S, Nag D, Sinha R, Howlader DR, Mukhopadhyay AK, Koley H.

Immunobiology. 2016 Aug;221(8):918-26. doi: 10.1016/j.imbio.2016.03.002. Epub 2016 Mar 18.


Cytotoxic and Inflammatory Responses Induced by Outer Membrane Vesicle-Associated Biologically Active Proteases from Vibrio cholerae.

Mondal A, Tapader R, Chatterjee NS, Ghosh A, Sinha R, Koley H, Saha DR, Chakrabarti MK, Wai SN, Pal A.

Infect Immun. 2016 Apr 22;84(5):1478-1490. doi: 10.1128/IAI.01365-15. Print 2016 May.


Development of a cost-effective vaccine candidate with outer membrane vesicles of a tolA-disrupted Shigella boydii strain.

Mitra S, Sinha R, Mitobe J, Koley H.

Vaccine. 2016 Apr 4;34(15):1839-46. doi: 10.1016/j.vaccine.2016.02.018. Epub 2016 Feb 12.


Retinoic acid decreases the severity of Salmonella enterica serovar Typhimurium mediated gastroenteritis in a mouse model.

Sinha R, Howlader DR, Mukherjee P, Rai S, Nag D, Koley H.

Immunobiology. 2016 Jul;221(7):839-44. doi: 10.1016/j.imbio.2016.01.011. Epub 2016 Jan 29.


Immunization of Mice with a Live Transconjugant Shigella Hybrid Strain Induced Th1 and Th17 Cell-Mediated Immune Responses and Confirmed Passive Protection Against Heterologous Shigellae.

Nag D, Koley H, Sinha R, Mukherjee P, Sarkar C, Withey JH, Gachhui R.

Scand J Immunol. 2016 Feb;83(2):92-101. doi: 10.1111/sji.12394.


Conjugated Linoleic Acid Reduces Cholera Toxin Production In Vitro and In Vivo by Inhibiting Vibrio cholerae ToxT Activity.

Withey JH, Nag D, Plecha SC, Sinha R, Koley H.

Antimicrob Agents Chemother. 2015 Dec;59(12):7471-6. doi: 10.1128/AAC.01029-15. Epub 2015 Sep 21. Erratum in: Antimicrob Agents Chemother. 2019 Jan 29;63(2):.


Trends in the genomic epidemiology of Vibrio cholerae O1 isolated worldwide since 1961.

Jaiswal A, Sarkar S, Das P, Nandy S, Koley H, Sarkar B.

Int J Antimicrob Agents. 2015 Oct;46(4):460-4. doi: 10.1016/j.ijantimicag.2015.06.012. Epub 2015 Jul 22.


Heat killed multi-serotype Shigella immunogens induced humoral immunity and protection against heterologous challenge in rabbit model.

Nag D, Sinha R, Mitra S, Barman S, Takeda Y, Shinoda S, Chakrabarti MK, Koley H.

Immunobiology. 2015 Nov;220(11):1275-83. doi: 10.1016/j.imbio.2015.07.002. Epub 2015 Jul 17.


Isolation of NDM-1-producing multidrug-resistant Pseudomonas putida from a paediatric case of acute gastroenteritis, India.

Bhattacharya D, Dey S, Kadam S, Kalal S, Jali S, Koley H, Sinha R, Nag D, Kholkute SD, Roy S.

New Microbes New Infect. 2015 Feb 28;5:5-9. doi: 10.1016/j.nmni.2015.02.002. eCollection 2015 May.


Role of integrons, plasmids and SXT elements in multidrug resistance of Vibrio cholerae and Providencia vermicola obtained from a clinical isolate of diarrhea.

Rajpara N, Kutar BM, Sinha R, Nag D, Koley H, Ramamurthy T, Bhardwaj AK.

Front Microbiol. 2015 Feb 17;6:57. doi: 10.3389/fmicb.2015.00057. eCollection 2015.


Pentavalent outer membrane vesicles of Vibrio cholerae induce adaptive immune response and protective efficacy in both adult and passive suckling mice models.

Sinha R, Koley H, Nag D, Mitra S, Mukhopadhyay AK, Chattopadhyay B.

Microbes Infect. 2015 Mar;17(3):215-27. doi: 10.1016/j.micinf.2014.10.011. Epub 2014 Nov 15.


The Vibrio cholerae extracellular chitinase ChiA2 is important for survival and pathogenesis in the host intestine.

Mondal M, Nag D, Koley H, Saha DR, Chatterjee NS.

PLoS One. 2014 Sep 22;9(9):e103119. doi: 10.1371/journal.pone.0103119. eCollection 2014.


Safety and immunogenicity of a live oral recombinant cholera vaccine VA1.4: a randomized, placebo controlled trial in healthy adults in a cholera endemic area in Kolkata, India.

Kanungo S, Sen B, Ramamurthy T, Sur D, Manna B, Pazhani GP, Chowdhury G, Jhunjhunwala P, Nandy RK, Koley H, Bhattacharya MK, Gupta S, Goel G, Dey B, M T, Nair GB, Ghosh A, Mahalanabis D.

PLoS One. 2014 Jul 1;9(7):e99381. doi: 10.1371/journal.pone.0099381. eCollection 2014.


Passive immunity with multi-serotype heat-killed Shigellae in neonatal mice.

Barman S, Koley H, Nag D, Shinoda S, Nair GB, Takeda Y.

Microbiol Immunol. 2014 Aug;58(8):463-6. doi: 10.1111/1348-0421.12164.


Outbreak of cholera caused by Vibrio cholerae O1 El Tor variant strain in Bihar, India.

Koley H, Ray N, Chowdhury G, Barman S, Mitra S, Ramamurthy T, Mukhopadhyay AK, Sarkar BL, Katyal R, Das P, Panda S, Ghosh S.

Jpn J Infect Dis. 2014;67(3):221-6.


Comparative analysis of different oral approaches to treat Vibrio cholerae infection in adult mice.

Jaiswal A, Koley H, Mitra S, Saha DR, Sarkar B.

Int J Med Microbiol. 2014 May;304(3-4):422-30. doi: 10.1016/j.ijmm.2014.02.007. Epub 2014 Feb 19.


Haitian variant tcpA in Vibrio cholerae O1 El Tor strains in Kolkata, India.

Ghosh P, Naha A, Basak S, Ghosh S, Ramamurthy T, Koley H, Nandy RK, Shinoda S, Watanabe H, Mukhopadhyay AK.

J Clin Microbiol. 2014 Mar;52(3):1020-1. doi: 10.1128/JCM.03042-13. Epub 2013 Dec 26. No abstract available.


Inflammatory diarrhea due to enteroaggregative Escherichia coli: evidence from clinical and mice model studies.

Saha DR, Guin S, Krishnan R, Nag D, Koley H, Shinoda S, Ramamurthy T.

Gut Pathog. 2013 Dec 3;5(1):36. doi: 10.1186/1757-4749-5-36.


Synergistic effect of various virulence factors leading to high toxicity of environmental V. cholerae non-O1/ non-O139 isolates lacking ctx gene : comparative study with clinical strains.

Rajpara N, Vinothkumar K, Mohanty P, Singh AK, Singh R, Sinha R, Nag D, Koley H, Kushwaha Bhardwaj A.

PLoS One. 2013 Sep 23;8(9):e76200. doi: 10.1371/journal.pone.0076200. eCollection 2013.


Protective immunity by oral immunization with heat-killed Shigella strains in a guinea pig colitis model.

Barman S, Koley H, Ramamurthy T, Chakrabarti MK, Shinoda S, Nair GB, Takeda Y.

Microbiol Immunol. 2013 Nov;57(11):762-71. doi: 10.1111/1348-0421.12095.


Oxalis corniculata (Oxalidaceae) leaf extract exerts in vitro antimicrobial and in vivo anticolonizing activities against Shigella dysenteriae 1 (NT4907) and Shigella flexneri 2a (2457T) in induced diarrhea in suckling mice.

Mukherjee S, Koley H, Barman S, Mitra S, Datta S, Ghosh S, Paul D, Dhar P.

J Med Food. 2013 Sep;16(9):801-9. doi: 10.1089/jmf.2012.2710. Epub 2013 Aug 3.


Composition of Escherichia coli population in the neonatal gut: phylogroups and virulence determinants.

Das P, Singh AK, Mukherjee S, Rajendran K, Saha DR, Koley H, Basu S.

J Med Microbiol. 2013 Nov;62(Pt 11):1680-7. doi: 10.1099/jmm.0.052225-0. Epub 2013 Jul 16.


The Epac1 signaling pathway regulates Cl- secretion via modulation of apical KCNN4c channels in diarrhea.

Sheikh IA, Koley H, Chakrabarti MK, Hoque KM.

J Biol Chem. 2013 Jul 12;288(28):20404-15. doi: 10.1074/jbc.M113.467860. Epub 2013 May 17.


Multi-serotype outer membrane vesicles of Shigellae confer passive protection to the neonatal mice against shigellosis.

Mitra S, Chakrabarti MK, Koley H.

Vaccine. 2013 Jun 28;31(31):3163-73. doi: 10.1016/j.vaccine.2013.05.001. Epub 2013 May 15.


Efficacy of cocktail phage therapy in treating Vibrio cholerae infection in rabbit model.

Jaiswal A, Koley H, Ghosh A, Palit A, Sarkar B.

Microbes Infect. 2013 Feb;15(2):152-6. doi: 10.1016/j.micinf.2012.11.002. Epub 2012 Nov 14.


Hemagglutinating activity is directly correlated with colonization ability of shigellae in suckling mouse model.

Mitra S, Saha DR, Pal A, Niyogi SK, Mitra U, Koley H.

Can J Microbiol. 2012 Oct;58(10):1159-66. doi: 10.1139/w2012-095. Epub 2012 Sep 14.


Outer membrane vesicles of Shigella boydii type 4 induce passive immunity in neonatal mice.

Mitra S, Barman S, Nag D, Sinha R, Saha DR, Koley H.

FEMS Immunol Med Microbiol. 2012 Nov;66(2):240-50. doi: 10.1111/j.1574-695X.2012.01004.x. Epub 2012 Aug 1.


Antimicrobial activity of Sesbania grandiflora flower polyphenol extracts on some pathogenic bacteria and growth stimulatory effect on the probiotic organism Lactobacillus acidophilus.

China R, Mukherjee S, Sen S, Bose S, Datta S, Koley H, Ghosh S, Dhar P.

Microbiol Res. 2012 Sep 6;167(8):500-6. doi: 10.1016/j.micres.2012.04.003. Epub 2012 May 12.


The Entner-Doudoroff pathway is obligatory for gluconate utilization and contributes to the pathogenicity of Vibrio cholerae.

Patra T, Koley H, Ramamurthy T, Ghose AC, Nandy RK.

J Bacteriol. 2012 Jul;194(13):3377-85. doi: 10.1128/JB.06379-11. Epub 2012 Apr 27.

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