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Dissemination of newly emerged polymyxin B sensitive Vibrio cholerae O1 containing Haitian-like genetic traits in different parts of India.

Samanta P, Saha RN, Chowdhury G, Naha A, Sarkar S, Dutta S, Nandy RK, Okamoto K, Mukhopadhyay AK.

J Med Microbiol. 2018 Sep;67(9):1326-1333. doi: 10.1099/jmm.0.000783. Epub 2018 Jun 21.


Antibody secreting B cells and plasma antibody response to rotavirus vaccination in infants from Kolkata India.

Sinha A, Kanungo S, Kim DR, Manna B, Song M, Park JY, Haldar B, Sharma P, Mallick AH, Kim SA, Babji S, Sur D, Kang G, Ali M, Petri WA Jr, Wierzba TF, Czerkinsky C, Nandy RK, Dey A.

Heliyon. 2018 Feb 1;4(1):e00519. doi: 10.1016/j.heliyon.2018.e00519. eCollection 2018 Jan.


Influence of maternal and socioeconomic factors on breast milk fatty acid composition in urban, low-income families.

Nayak U, Kanungo S, Zhang D, Ross Colgate E, Carmolli MP, Dey A, Alam M, Manna B, Nandy RK, Kim DR, Paul DK, Choudhury S, Sahoo S, Harris WS, Wierzba TF, Ahmed T, Kirkpatrick BD, Haque R, Petri WA Jr, Mychaleckyj JC.

Matern Child Nutr. 2017 Oct;13(4). doi: 10.1111/mcn.12423. Epub 2017 Feb 15.


Comparison of IPV to tOPV week 39 boost of primary OPV vaccination in Indian infants: an open labelled randomized controlled trial.

Kanungo S, Kim DR, Haldar B, Snider C, Nalavade U, Kim SA, Park JY, Sinha A, Mallick AH, Manna B, Sur D, Nandy RK, Deshpande JM, Czerkinsky C, Wierzba TF, Petri WA Jr, Ali M, Dey A.

Heliyon. 2017 Jan 9;3(1):e00223. doi: 10.1016/j.heliyon.2016.e00223. eCollection 2017 Jan.


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.


Rugose atypical Vibrio cholerae O1 El Tor responsible for 2009 cholera outbreak in India.

Chowdhury G, Bhadra RK, Bag S, Pazhani GP, Das B, Basu P, Nagamani K, Nandy RK, Mukhopadhyay AK, Ramamurthy T.

J Med Microbiol. 2016 Oct;65(10):1130-1136. doi: 10.1099/jmm.0.000344. Epub 2016 Aug 25.


Circulating Gut-Homing (α4β7+) Plasmablast Responses against Shigella Surface Protein Antigens among Hospitalized Patients with Diarrhea.

Sinha A, Dey A, Saletti G, Samanta P, Chakraborty PS, Bhattacharya MK, Ghosh S, Ramamurthy T, Kim JO, Yang JS, Kim DW, Czerkinsky C, Nandy RK.

Clin Vaccine Immunol. 2016 Jul 5;23(7):610-7. doi: 10.1128/CVI.00205-16. Print 2016 Jul.


Targeting aphA : a new high-throughput screening assay identifies compounds that reduce prime virulence factors of Vibrio cholerae.

Bolger G, Roy S, Zapol'skii VA, Kaufmann DE, Schnürch M, Mihovilovic MD, Nandy RK, Tegge W.

J Med Microbiol. 2016 Jul;65(7):678-687. doi: 10.1099/jmm.0.000276. Epub 2016 May 12.


Use of the data system for field management of a clinical study conducted in Kolkata, India.

Park JY, Kim DR, Haldar B, Mallick AH, Kim SA, Dey A, Nandy RK, Paul DK, Choudhury S, Sahoo S, Wierzba TF, Sur D, Kanungo S, Ali M, Manna B.

BMC Res Notes. 2016 Jan 9;9:20. doi: 10.1186/s13104-015-1767-7.


Human Circulating Antibody-Producing B Cell as a Predictive Measure of Mucosal Immunity to Poliovirus.

Dey A, Molodecky NA, Verma H, Sharma P, Yang JS, Saletti G, Ahmad M, Bahl SK, Wierzba TF, Nandy RK, Deshpande JM, Sutter RW, Czerkinsky C.

PLoS One. 2016 Jan 5;11(1):e0146010. doi: 10.1371/journal.pone.0146010. eCollection 2016.


An Open Label Non-inferiority Trial Assessing Vibriocidal Response of a Killed Bivalent Oral Cholera Vaccine Regimen following a Five Year Interval in Kolkata, India.

Kanungo S, Desai SN, Saha J, Nandy RK, Sinha A, Kim DR, Bannerjee B, Manna B, Yang JS, Ali M, Sur D, Wierzba TF.

PLoS Negl Trop Dis. 2015 May 29;9(5):e0003809. doi: 10.1371/journal.pntd.0003809. eCollection 2015 May.


Flexibility of oral cholera vaccine dosing-a randomized controlled trial measuring immune responses following alternative vaccination schedules in a cholera hyper-endemic zone.

Kanungo S, Desai SN, Nandy RK, Bhattacharya MK, Kim DR, Sinha A, Mahapatra T, Yang JS, Lopez AL, Manna B, Bannerjee B, Ali M, Dhingra MS, Chandra AM, Clemens JD, Sur D, Wierzba TF.

PLoS Negl Trop Dis. 2015 Mar 12;9(3):e0003574. doi: 10.1371/journal.pntd.0003574. eCollection 2015 Mar.


Shigella outer membrane protein PSSP-1 is broadly protective against Shigella infection.

Kim JO, Rho S, Kim SH, Kim H, Song HJ, Kim EJ, Kim RY, Kim EH, Sinha A, Dey A, Yang JS, Song MK, Nandy RK, Czerkinsky C, Kim DW.

Clin Vaccine Immunol. 2015 Apr;22(4):381-8. doi: 10.1128/CVI.00661-14. Epub 2015 Feb 4.


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.


Trends in the epidemiology of pandemic and non-pandemic strains of Vibrio parahaemolyticus isolated from diarrheal patients in Kolkata, India.

Pazhani GP, Bhowmik SK, Ghosh S, Guin S, Dutta S, Rajendran K, Saha DR, Nandy RK, Bhattacharya MK, Mukhopadhyay AK, Ramamurthy T.

PLoS Negl Trop Dis. 2014 May 1;8(5):e2815. doi: 10.1371/journal.pntd.0002815. eCollection 2014 May.


High-throughput screening and whole genome sequencing identifies an antimicrobially active inhibitor of Vibrio cholerae.

Sergeev G, Roy S, Jarek M, Zapolskii V, Kaufmann DE, Nandy RK, Tegge W.

BMC Microbiol. 2014 Feb 26;14:49. doi: 10.1186/1471-2180-14-49.


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.


Vibrio cholerae non-O1, non-O139 serogroups and cholera-like diarrhea, Kolkata, India.

Dutta D, Chowdhury G, Pazhani GP, Guin S, Dutta S, Ghosh S, Rajendran K, Nandy RK, Mukhopadhyay AK, Bhattacharya MK, Mitra U, Takeda Y, Nair GB, Ramamurthy T.

Emerg Infect Dis. 2013 Mar;19(3):464-7. doi: 10.3201/eid1903.121156.


Case-control study on the role of enterotoxigenic Bacteroides fragilis as a cause of diarrhea among children in Kolkata, India.

Ramamurthy D, Pazhani GP, Sarkar A, Nandy RK, Rajendran K, Sur D, Manna B, Ramamurthy T.

PLoS One. 2013;8(4):e60622. doi: 10.1371/journal.pone.0060622. Epub 2013 Apr 5.


Molecular characterization of high-level-cholera-toxin-producing El Tor variant Vibrio cholerae strains in the Zanzibar Archipelago of Tanzania.

Naha A, Chowdhury G, Ghosh-Banerjee J, Senoh M, Takahashi T, Ley B, Thriemer K, Deen J, Seidlein LV, Ali SM, Khatib A, Ramamurthy T, Nandy RK, Nair GB, Takeda Y, Mukhopadhyay AK.

J Clin Microbiol. 2013 Mar;51(3):1040-5. doi: 10.1128/JCM.03162-12. Epub 2013 Jan 16.


Evaluation of a rapid dipstick test for identifying cholera cases during the outbreak.

Sinha A, Sengupta S, Ghosh S, Basu S, Sur D, Kanungo S, Mukhopadhyay AK, Ramamurthy T, Nagamani K, Rao MN, Nandy RK.

Indian J Med Res. 2012 Apr;135(4):523-8.


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.


Development and evaluation of a PCR assay for tracking the emergence and dissemination of Haitian variant ctxB in Vibrio cholerae O1 strains isolated from Kolkata, India.

Naha A, Pazhani GP, Ganguly M, Ghosh S, Ramamurthy T, Nandy RK, Nair GB, Takeda Y, Mukhopadhyay AK.

J Clin Microbiol. 2012 May;50(5):1733-6. doi: 10.1128/JCM.00387-12. Epub 2012 Feb 22.


Culture-independent real-time PCR reveals extensive polymicrobial infections in hospitalized diarrhoea cases in Kolkata, India.

Sinha A, SenGupta S, Guin S, Dutta S, Ghosh S, Mukherjee P, Mukhopadhyay AK, Ramamurthy T, Takeda Y, Kurakawa T, Nomoto K, Nair GB, Nandy RK.

Clin Microbiol Infect. 2013 Feb;19(2):173-80. doi: 10.1111/j.1469-0691.2011.03746.x. Epub 2012 Jan 23.


Transmission of imipenem resistance determinants during the course of an outbreak of NDM-1 Escherichia coli in a sick newborn care unit.

Roy S, Singh AK, Viswanathan R, Nandy RK, Basu S.

J Antimicrob Chemother. 2011 Dec;66(12):2773-80. doi: 10.1093/jac/dkr376. Epub 2011 Sep 19.


Should outbreak response immunization be recommended for measles outbreaks in middle- and low-income countries? An update.

Cairns KL, Perry RT, Ryman TK, Nandy RK, Grais RF.

J Infect Dis. 2011 Jul;204 Suppl 1:S35-46. doi: 10.1093/infdis/jir072. Review.


Vibrio cholerae typing phage N4: genome sequence and its relatedness to T7 viral supergroup.

Das M, Nandy RK, Bhowmick TS, Yamasaki S, Ghosh A, Nair GB, Sarkar BL.

Intervirology. 2012;55(3):185-93. doi: 10.1159/000323525. Epub 2011 Mar 23.


Emergence and progression of Vibrio cholerae O1 El Tor variants and progenitor strains of Mozambique variants in Kolkata, India.

Patra T, Chatterjee S, Raychoudhuri A, Mukhopadhyay AK, Ramamurthy T, Nandy RK.

Int J Med Microbiol. 2011 Apr;301(4):310-7. doi: 10.1016/j.ijmm.2010.11.003. Epub 2011 Jan 17.


In vitro antimicrobial susceptibility of bacterial enteropathogens isolated from international travelers to Mexico, Guatemala, and India from 2006 to 2008.

Ouyang-Latimer J, Jafri S, VanTassel A, Jiang ZD, Gurleen K, Rodriguez S, Nandy RK, Ramamurthy T, Chatterjee S, McKenzie R, Steffen R, DuPont HL.

Antimicrob Agents Chemother. 2011 Feb;55(2):874-8. doi: 10.1128/AAC.00739-10. Epub 2010 Nov 29.


Evaluation of a rapid immunochromatographic dipstick kit for diagnosis of cholera emphasizes its outbreak utility.

Mukherjee P, Ghosh S, Ramamurthy T, Bhattacharya MK, Nandy RK, Takeda Y, Nair GB, Mukhopadhyay AK.

Jpn J Infect Dis. 2010 Jul;63(4):234-8.


Isolation and characterization of a monoaromatic hydrocarbon-degrading bacterium, Pseudomonas aeruginosa from crude oil.

Mukherjee S, Bardolui NK, Karim S, Patnaik VV, Nandy RK, Bag PK.

J Environ Sci Health A Tox Hazard Subst Environ Eng. 2010 Jan;45(9):1048-53. doi: 10.1080/10934529.2010.486328.


Microbial etiology of travelers' diarrhea in Mexico, Guatemala, and India: importance of enterotoxigenic Bacteroides fragilis and Arcobacter species.

Jiang ZD, Dupont HL, Brown EL, Nandy RK, Ramamurthy T, Sinha A, Ghosh S, Guin S, Gurleen K, Rodrigues S, Chen JJ, McKenzie R, Steffen R.

J Clin Microbiol. 2010 Apr;48(4):1417-9. doi: 10.1128/JCM.01709-09. Epub 2010 Jan 27.


Genetic analysis of CTX prophages with special reference to ctxB and rstR alleles of Vibrio cholerae O139 strains isolated from Kolkata over a decade.

Raychoudhuri A, Mukherjee P, Ramamurthy T, Nandy RK, Takeda Y, Nair GB, Mukhopadhyay AK.

FEMS Microbiol Lett. 2010 Feb;303(2):107-15. doi: 10.1111/j.1574-6968.2009.01856.x. Epub 2009 Nov 17.


Randomized placebo controlled human volunteer trial of a live oral cholera vaccine VA1.3 for safety and immune response.

Mahalanabis D, Ramamurthy T, Nair GB, Ghosh A, Shaikh S, Sen B, Thungapathra M, Ghosh RK, Pazhani GP, Nandy RK, Jana S, Bhattacharya SK.

Vaccine. 2009 Jul 30;27(35):4850-6. doi: 10.1016/j.vaccine.2009.05.065. Epub 2009 Jun 10.


Biotyping of Vibrio cholerae O1: time to redefine the scheme.

Raychoudhuri A, Mukhopadhyay AK, Ramamurthy T, Nandy RK, Takeda Y, Nair GB.

Indian J Med Res. 2008 Dec;128(6):695-8. Review.


Surveillance of vibriophages reveals their role as biomonitoring agents in Kolkata.

Das M, Bhowmick TS, Nandy RK, Nair GB, Sarkar BL.

FEMS Microbiol Ecol. 2009 Mar;67(3):502-10. doi: 10.1111/j.1574-6941.2008.00634.x.


Incidence, virulence factors, and clonality among clinical strains of non-O1, non-O139 Vibrio cholerae isolates from hospitalized diarrheal patients in Kolkata, India.

Chatterjee S, Ghosh K, Raychoudhuri A, Chowdhury G, Bhattacharya MK, Mukhopadhyay AK, Ramamurthy T, Bhattacharya SK, Klose KE, Nandy RK.

J Clin Microbiol. 2009 Apr;47(4):1087-95. doi: 10.1128/JCM.02026-08. Epub 2009 Jan 21.


Vibrio cholerae O1 clinical strains isolated in 1992 in Kolkata with progenitor traits of the 2004 Mozambique variant.

Chatterjee S, Patra T, Ghosh K, Raychoudhuri A, Pazhani GP, Das M, Sarkar B, Bhadra RK, Mukhopadhyay AK, Takeda Y, Nair GB, Ramamurthy T, Nandy RK.

J Med Microbiol. 2009 Feb;58(Pt 2):239-247. doi: 10.1099/jmm.0.003780-0.


Classical ctxB in Vibrio cholerae O1, Kolkata, India.

Raychoudhuri A, Patra T, Ghosh K, Ramamurthy T, Nandy RK, Takeda Y, Balakrish-Nair G, Mukhopadhyay AK.

Emerg Infect Dis. 2009 Jan;15(1):131-2. doi: 10.3201/eid1501.080543. No abstract available.


Intestinal adherence of Vibrio cholerae involves a coordinated interaction between colonization factor GbpA and mucin.

Bhowmick R, Ghosal A, Das B, Koley H, Saha DR, Ganguly S, Nandy RK, Bhadra RK, Chatterjee NS.

Infect Immun. 2008 Nov;76(11):4968-77. doi: 10.1128/IAI.01615-07. Epub 2008 Sep 2.


Emergence of tetracycline-resistant Vibrio cholerae O1 serotype Inaba, in Kolkata, India.

Roychowdhury A, Pan A, Dutta D, Mukhopadhyay AK, Ramamurthy T, Nandy RK, Bhattacharya SK, Bhattacharya MK.

Jpn J Infect Dis. 2008 Mar;61(2):128-9.


Molecular characterization of recent Vibrio cholerae O1, El Tor, Inaba strains isolated from hospitalized patients in Kolkata, India.

Raychoudhuri A, Chatterjee S, Pazhani GP, Nandy RK, Bhattacharya MK, Bhattacharya SK, Ramamurthy T, Mukhopadhyay AK.

J Infect. 2007 Nov;55(5):431-8. Epub 2007 Sep 12.


PCR-based identification of common colonization factor antigens of enterotoxigenic Escherichia coli.

Ghosal A, Bhowmick R, Nandy RK, Ramamurthy T, Chatterjee NS.

J Clin Microbiol. 2007 Sep;45(9):3068-71. Epub 2007 Jun 27.


Intestinal parasitism and Vibrio cholerae infection among diarrhoeal patients in Kolkata, India.

Saha DR, Rajendran K, Ramamurthy T, Nandy RK, Bhattacharya SK.

Epidemiol Infect. 2008 May;136(5):661-4. Epub 2007 Jun 26.


Phenotypic and genotypic traits and epidemiological implication of Vibrio cholerae O1 and O139 strains in India during 2003.

Chatterjee S, Ghosh K, Raychoudhuri A, Pan A, Bhattacharya MK, Mukhopadhyay AK, Ramamurthy T, Bhattacharya SK, Nandy RK.

J Med Microbiol. 2007 Jun;56(Pt 6):824-832. doi: 10.1099/jmm.0.46982-0.


Genetic organization of pre-CTX and CTX prophages in the genome of an environmental Vibrio cholerae non-O1, non-O139 strain.

Maiti D, Das B, Saha A, Nandy RK, Nair GB, Bhadra RK.

Microbiology. 2006 Dec;152(Pt 12):3633-3641. doi: 10.1099/mic.0.2006/000117-0.


Spread of cholera with newer clones of Vibrio cholerae O1 El Tor, serotype inaba, in India.

Dutta B, Ghosh R, Sharma NC, Pazhani GP, Taneja N, Raychowdhuri A, Sarkar BL, Mondal SK, Mukhopadhyay AK, Nandy RK, Bhattacharya MK, Bhattacharya SK, Ramamurthy T.

J Clin Microbiol. 2006 Sep;44(9):3391-3.


The first outbreak of acute diarrhea due to a pandemic strain of Vibrio parahaemolyticus O3:K6 in Kolkata, India.

Sen B, Dutta B, Chatterjee S, Bhattacharya MK, Nandy RK, Mukhopadhyay AK, Gangopadhyay DN, Bhattacharya SK, Ramamurthy T.

Int J Infect Dis. 2007 Mar;11(2):185-7. Epub 2006 Jun 21. No abstract available.


Rhythm deficits in 'tone deafness'.

Foxton JM, Nandy RK, Griffiths TD.

Brain Cogn. 2006 Oct;62(1):24-9. Epub 2006 May 8.


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