Indian Association for the Cultivation of Science

Name : Ritesh Ranjan Pal

Department : School of Biological Sciences
Designation : Assistant Professor
Contact : +91 33 2473 4971 (Ext:2202)
Email :


Academic Profile

Assistant Professor at the Indian Association for the Cultivation of Science. [Since June, 2020]

Postdoctoral Fellow at the Hebrew University of Jerusalem, Israel. [2014-2020]

Ph.D. (Molecular Microbiology) at the Indian Institute of Chemical Biology. (Degree awarded by the Jadavpur University) [2013]

M.Sc. (Genetics) at the University of Calcutta. [2005]

B.Sc. (Physiology Hons.) at the Presidency College, Kolkata. (Degree awarded by the University of Calcutta) [2003] 


Will be available soon.




Research Articles

Pal, R. R., A. K. Baidya, G. Mamou, S. Bhattacharya, Y. Socol, S. Kobi, N. Katsowich, S. Ben-Yehuda, and I. Rosenshine. 2019. Pathogenic Ecoli extracts nutrients from infected host cells utilizing injectisome components. Cell 177(3): 683-96 e618.

  • The image of EPEC attached to the host cell through nanotubes is selected for cover image in April 18, 2019 issue of Cell.                                                                                    
  • Nature published this work as Research Highlight –

Menacing microbes drain host cells with stealthy 'straw'. Nature (2019) 568: 9 (DOI - 10.1038/d41586-019-00996-z).

  • This paper was discussed in ‘American society for Microbiology (ASM)’ sponsored podcast ‘This Week in Micobiology (TWIM)’ –

V. Racaniello, E. Schaechter, M. Swanson and M. Schmidt (Host)."TWiM 197: Intercellular microbial trade". This Week in Microbiology, ASM, April 26, 2019. (

  • This paper has been recommended in F1000Prime as being of special significance in its field by F1000 Faculty Member Prof. David Weiss and rated excellent.  –

Weiss D: F1000Prime Recommendation of [Pal RR et al., Cell 2019 177(3):683-696.e18]. In F1000Prime, 02 May 2019. (DOI - 10.3410/f.735408877.793559372)


Bhattacharya, S., A. K. Baidya, R. R. Pal, G. Mamou, Y. E.  Gatt, H. Margalit, I. Rosenshine, and S. Ben-Yehuda. 2019. A ubiquitous platform for bacterial nanotube biogenesis. Cell Reports 27(2): 334-42 e310.


Kassa, E. G., E. Zlotkin-Rivkin, G. Friedman, R. P. Ramachandran, N. Melamed-Book, A. M. Weiss, M. Belenky, D. Reichmann, W. Breuer, R. R. Pal, I. Rosenshine, L. A. Lapierre, J. R. Goldenring and B. Aroeti. 2019. Enteropathogenic Escherichia coli remodels host endosomes to promote endocytic turnover and breakdown of surface polarity. PLOS Pathog. 15(6): e1007851.  


Katsowich, N., N. Elbaz, R. R. Pal, E. Mills, S. Kobi, T. Kahan, and I. Rosenshine. 2017. Host cell attachment elicits posttranscriptional regulation in infecting enteropathogenic bacteria. Science 355(6326): 735-9.


Basu, P., R. R. Pal, S. Dasgupta, and R. K. Bhadra. 2017. DksA-HapR-RpoS axis regulates haemagglutinin protease production in Vibrio choleraeMicrobiology 163(6): 900-10.


Dasgupta, S., P. Basu, R. R. Pal, S. Bag, and R. K. Bhadra. 2014. Genetic and mutational characterization of the small alarmone synthetase gene relV of Vibrio choleraeMicrobiology 160(9): 1855-66.


Pal, R. R., S. Bag, S. Dasgupta, B. Das, and R. K. Bhadra. 2012. Functional characterization of the stringent response regulatory gene dksA of Vibrio cholerae and its role in modulation of virulence phenotypes. J. Bacteriol. 194(20):5638-48.


Das, B., R. R. Pal, S. Bag, and R. K. Bhadra. 2009. Stringent response in Vibrio cholerae: genetic analysis of spoT gene function and identification of a novel (p)ppGpp synthetase gene. Mol. Microbiol. 72(2):380-98.



Pal, R. R., B. Das, S. Dasgupta, and R. K. Bhadra. 2011. Genetic components of stringent response in Vibrio choleraeIndian J. Med. Res. 133:212-7.



Research Activities