About CCMB



Scientist Details


Contact Details


Name : Malay K Ray

Room : W106

Telephone :
040-27192512

Fax :
040-27160591

E-mail :
malay@ccmb.res.in



Research Interests

Dr Malay K Ray and his group have established the Antarctic psychrotrophic bacterium Pseudomonas syringae Lz4W as a model system for investigation of the molecular basis of cold adaptation. Microorganisms inhabiting the Antarctic Continent constitute a unique set of life forms (psychrotrophs and psychrophiles) which have evolved to grow at zero and subzero temperatures of the frozen continent for about last 30 million years. Therefore, these organisms offer unique opportunity to study the molecular basis of cold adaptation and their evolutionary relationship with the counterparts living in the mesophilic environment of our globe.



Selected Publications

  • Satapathy A. K., Pavankumar T. L., Bhattacharjya S., Sankarnarayanan R., and Ray M. K. (2008) ATPase activity of RecD is essential for growth of the Antarctic Pseudomonas syringae at low temperature. FEBS Journal, 275: 1835-1851.

  • Purusharth R. I., Madhuri B., and Ray M. K. (2007) Exoribonuclease R in Pseudomonas syringae is essential for growth at low temperature and plays a novel role in the 3’end processing of 16S and 5S ribosomal RNA. J. Biol. Chem., 282: 16267-16277.

  • Regha K., Satapathy A.K. and Ray M. K. (2005) RecD plays an essential function during growth at low temperature in the Antarctic bacterium Pseudomonas syringae Lz4W. Genetics, 170: 1473-1484.

  • Purusharth, R. I., Klein F., Sulthana S., Jager S., Jagannadham M. V., Evguenieva-Hackenberg E., Ray M. K., and Klug G. (2005) Exoribonuclease R interacts with endoribonuclease E and an RNA helicase in the psychrotrophic bacterium Pseudomonas syringae Lz4W. J Biol. Chem., 280: 14572-14578.

  • Kumar G. S., Jagannadham M. V. and Ray M. K. (2002) Low temperature induced changes in composition and fluidity of lipopolysaccharides in the Antarctic psychrotrophic bacterium Pseudomonas syringae. J. Bacteriol., 184: 6746-6749.

  • Janiyani K. L. and Ray M. K. (2002) Cloning, sequencing, and Expression of the cold-inducible hutU gene from the Antarctic psychrotrophic bacterium Pseudomonas syringae. Appl Environ Microbiol, 68: 1-10.

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