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Biography

Dr. Thandavarayan Ramamurthy

National Institute of Cholera and Enteric Diseases

India


Email: rama1murthy@yahoo.com


Qualifications

1985 Ph.D., Marine Biology (Marine Microbiology), Center of Advanced Study in Marine Biology, Annamalai University, India

1979 M.Sc., Marine Biology and Oceanography, Center of Advanced Study in Marine Biology, Annamalai University, India

1977 B.Sc., Zoology, Botany and Chemistry, Presidency College Madras University, India


Publications (selected)

  1. Alam, M., N.A. Hasan, S. Ahsan, G. P. Pazhani, K. Tamura, T. Ramamurthy, D. J. Gomes, S. R. Rahman, A. Islam, F. Akhtar, S. Shinoda, H. Watanabe, S. M. Faruque, and G. B. Nair. 2006. Phenotypic and molecular characteristics of Escherichia coli isolated from aquatic environment of Bangladesh. Microbiol. Immunol.50: 359-370.
  2. Sen, B., B. Dutta, S. Chatterjee, M. K. Bhattacharya, R. K. Nandy, A. K. Mukhopadhyay, B. D. N. Gangopadhyay, S. K. Bhattacharya, and T. Ramamurthy. 2006. The first outbreak of acute diarrhea due to pandemic strain of Vibrio parahaemolyticus O3:K6 in Kolkata, India. Internal. J. Infect. Dis. 11: 185-187.
  3. Srinivasan, V. B., R. K. Virk, A. Kaundal, R. Chakraborty, B. Dutta, T. Ramamurthy, A. K. Mukhopadhyay, and A. Ghosh. 2006. Mechanism of drug resistance in clonally related clinical isolates of Vibrio fluvialis. Antmicrobiol. Agents Chemot. 50:2428-2432.
  4. Dutta, B., R. Ghosh, N. C. Sharma, G. P. Pazhani, N. Taneja, Raychowdhuri, B. L. Sarkar, S. K. Mondal, A. K. Mukhopadhyay, R. K. Nandy, M. K. Bhattacharya, S. K. Bhattacharya, and T. Ramamurthy. 2006. Spread of Cholera with new clone of Vibrio cholerae O1 El Tor, serotype Inaba in India. J. Clin. Microbiol. 44:3391-3393.
  5. Mwansa JC, Mwaba J, Lukwesa C, Bhuiyan NA, Ansaruzamman M, Ramamurthy T, Alam M, Balakrish Nair G. 2006. Multiply antibiotic-resistant Vibrio cholerae O1 biotype El Tor strains emerge during cholera outbreaks in Zambia. Epidemiol. Infect. 135: 847-853.
  6. Mantri CK, Mohapatra SS, Ramamurthy T, Ghosh R, Colwell RR, Singh DV. 2006. Septaplex PCR assay for rapid identification of Vibrio cholerae including detection of virulence and int SXT genes. FEMS Microbiol Lett. 265:208-214.
  7. Patra, M., S. K. Pandey, T. Ramamurthy, D. V. Singh, and S. K. Das. 2007. Isolation and characterization of Aeromonas caviae (Strain HT10) from a sulfur spring in Orissa, India. Lett. Appl. Microbiol: 1-4.
  8. Ballal, M. and T. Ramamurthy. 2007. Virulence characteristics and molecular epidemiology of diarrheagenic Escherichia coli (DEC) associated with sporadic cases in a tertiary care hospital in Manipal-Southern India. World J. Med. Sci. 2: 63-64.
  9. Khan, R., E. Takahashi, T. Ramamurthy, Y. Takeda and K. Okamoto. 2007. Salt in surroundings influences the production of serine protease into milieu by Aeromonas sobria. Microbiol Immunol. 51:963-976.
  10. Roychowdhury, A., A. Pan, D. Dutta, A. K.Mukhopadhyay, T. Ramamurthy, R. K.Nandy, S. K. Bhattacharya, M. K. Bhattacharya. 2008. Emergence of Tetracycline-Resistant Vibrio cholerae O1 Serotype Inaba, in Kolkata, India.Jpn. J. Infect. Dis. 61:128-129.
  11. Shinoda, S., T. Nakagawa, N. Hirakawa, S. Miyoshi, E. Arakawa, T. Ramamurthy, B. Dutta, S. M. Faruque, G. B. Nair.2008. Molecular epidemiological studies of Vibrio cholerae in Bengal region. Biocontrol Sci.13:1-8.
  12. Miyoshi, S. I., Y. Nitanda, K. Fujii, K. Kawahara , T. Li, Y. Maehara, T. Ramamurthy, Y. Takeda Y, and S. Shinoda S. 2008. Differential gene expression and extracellular secretion of the collagenolytic enzymes by the pathogen Vibrio parahaemolyticus. FEMS Microbiol Lett. 283:176-181.
  13. Saha, D. R., K. Rajendran, T. Ramamurthy, R. K. Nandy, and S. K. Bhattacharya. 2008. Intestinal parasitisim and Vibrio cholera infection among diarrhoeal patients in Kolkata, India. Epidemiol. Infect. 136: 661-664.
  14. Pazhani, G. P., S. K. Niyogi, A. K. Singh, B. Sen, N. Taneja, M. Kundu, S. Yamasaki, and T. Ramamurthy. 2008. Molecular characterization of multi-drug resistant Shigella spp isolated from epidemic and endemic cases of shigellosis. J. Med. Microbiol. 57:856-863.
  15. Barman, N. N., R. Deb, T. Ramamurthy, R. K. Sharma, P. Borah, S. A. Wani, and D. Kalita. 2008. Shiga like toxin-producing Escherichia coli (STEC) associated with pig oedema outbreak. India J. Med. Res. 127: 602-606.
  16. Kam. K. M., C. K. Y. Luey, M. B Parsons, K. L. F. Cooper, G. B. Nair, M. Alam, M. Atiqul Islam, Danny T. L. Cheung, Y. W. Chu, T. Ramamurthy, G. P. Pazhzni, S. K. Bhattacharya, H. Watanabe, J. Terajima, E. Arakawa, O.-A. Ratchtrachenchai, S. Huttayananont, E. M. Ribot, P. Gerner-Smidt, and B. Swaminathan for the Vibrio parahaemolyticus PulseNet PFGE protocol Work Group. 2008. Evaluation and validation of a PulseNet standardized pulsed-field gel electrophoresis protocol for subtyping Vibrio parahaemolyticus: an International multicenter collaborative study. J. Clin. Microbiol. 46: 2766-2773.
  17. Bag, P. K., P. Bhowmik, T. K. Hajra, T. Ramamurthy, P. Sarkar, M. Majumder, G. Chowdhury, and S. C. Das SC. 2008. Putative virulence traits and pathogenicity of Vibrio cholerae non-O1, non-O139 isolated from surface waters in Kolkata, India. Appl. Environ. Microbiol.74:5635-5644.
  18. Ramamurthy, T. 2008. Shiga toxin-producing Escherichia coli (STEC): the bug in our backyard. Indian J. Med. Res. 128: 233-236.
  19. Ghosh R., G. B. Nair, Li Tang, J. Glenn Morris, N. C. Sharma, Mamatha Ballal, Pallavi Garg, T. Ramamurthy, and O. Colin Stine. 2008. Epidemiological study of Vibrio cholerae using variable number of tandem repeats. FEMS in Microbiol. Lett. 288: 196-2001.
  20. Chakraborty, K., S. Ghosh, H. Kole, A. K. Mukhopadhyay AK, T. Ramamurthy, D. R. Saha, D. Mukhopadhyay, S. Roychowdhury, T. Hamabata,Y. Takeda and S. Das S. 2008. Bacterial exotoxins downregulate cathelicidin (hCAP18/LL37) and human beta-defensin 1 (HBD-1) expression in the intestinal epithelial cells. Cell Microbiol.10:2520-2537.


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