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24, chemin de Borde Rouge –Auzeville – CS52627
31326 Castanet Tolosan CEDEX - France

Dernière mise à jour : Mai 2018


Home page


Former member

Nalini Ramarao
PhD, Researcher (CR1), INRA

- Nalini is now a member of the Microbadapt team

Contact me

E-mail: Nalini Ramarao

Telephone: +33 (0)1 34 65 28 63



- 2000: Ph.D. Max Planck Institute (University of Tübingen, Germany).

- 1996: Master in Cell and Molecular Biology (University of Strasbourg, France).

- 1996: Engineer Degree (ESBS, France, Germany, Switzerland).


Job positions

- Since 2003: CR1 INRA, Group leader, UMR 1319-MICALIS, équipe GME (D. Lereclus).

- 2001-2003: Post-doctoral fellow, Institut Pasteur, Paris, Unité U389 (P. Sansonetti).

- 1997-2000: PhD student, MPI Tübingen, Germany (T. Meyer).

- 1996: Master degree Connaught Lab, Toronto, Canada (Aventis).



- EMBO fellowship 2001-2003


Technical knowledge and know-how

- Host pathogen interaction, cellular biology, microbiology, gene expression, virulence factors, immune response



- Group leader (11 people in the last 5 years), Reviewing activities, PhD comities, Teaching Graduate and postgraduate studies, Front cover pages in 3 journals, Representant of rank A scientists for the MICALIS Unit, Expertise for DOX industrial Society, Responsible of the GME strain collection, In Who’s Who in Science and Engineering 2011-2012.


Recent selected publications

(In total 25 publications in international journals, and 2 patents, 25 oral or poster presentations in national and international conferences)

- Decousser JW, Ramarao N, Duport C, Dorval M, Bourgeois-Nicolaos N, Guinebretière MH, Boileau P, Doucet-Populaire F. (2013). Bacillus cereus and severe intestinal infections in preterm neonates: putative role of the pooled breast milk. Am J Infect doi: 10.1016/j.ajic.2013.01.043. [Epub ahead of print]

- Ramarao R., Sanchis V. (2013).The pore-forming haemolysins of Bacillus cereus: a review. Toxins. 5(6): 1119-1139; doi:10.3390/toxins5061119.

- Tran SL, Guillemet E, Lereclus D, Ramarao N. (2013). Iron regulates Bacillus thuringiensis haemolysin hlyII gene expression during insect infection. J. Invertebr. Pathol. 113(3): 205-208.

- Guillemet E, Tran SL, Cadot C, Rognan D, Lereclus D, Ramarao N. (2013). Glucose 6P binds and activates HlyIIR to repress Bacillus cereus Haemolysin hlyII gene expression. PLoS One. 2013;8(2): e55085.

- Kamar R, Gohar M, Jéhanno I, Rejasse A, Kallassy Awad M, Lereclus D, Sanchis V, Ramarao R. (2013). Pathogenic potential of Bacillus cereus strains as revealed by phenotypic analysis. J. Clin. Microbiol. 51(1): 320-323.

- Ramarao N, Nielsen-Leroux C, Lereclus D. (2012).The Insect Galleria mellonella as a Powerful Infection Model to Investigate Bacterial Pathogenesis. J. Vis. Exp. e4392, DOI: 10.3791/4392.

- Nielsen-Leroux C, Gaudriault S, Ramarao N, Lereclus D, Givaudan A. (2012) How the insect pathogen bacteria Bacillus thuringiensis and Xenorhabdus/Photorhabdus occupy their hosts. Curr. Opin. Microbiol. 15(3): 220-231.

- Tonry JH, McNichol BA, Ramarao N, Chertow DS, Kim KS, Stibitz S, Schneewind O, Kashanchi F, Bailey CL, Popov S, Chung MC. (2012). Bacillus anthracis protease InhA regulates BslA-mediated adhesion in human endothelial cells. Cell Microbiol. 14(8): 1219-1230.

- Réjasse A, Gilois, N, Barbosa I, Jéhanno, I, Huillet, E, Tran, S, Ramarao N, Stenfors Arnesen LP, Sanchis V. (2012). Temperature-dependent production of various PlcR-controlled virulence factors in Bacillus weihenstephanensis strain KBAB4. Appl. Environ. Microbiol. 78(8): 2553-2561.

- Tran SL, Puhar A, Ngo-Camus M, Ramarao N. (2011). Trypan blue dye enters viable cells incubated with the pore-forming toxin HlyII of Bacillus cereus. PLoS One. 6(9): e22876.

- Tran SL, Guillemet E, Ngo-Camus M, Clybouw C, Puhar A, Moris A, Gohar M, Lereclus D, Ramarao N. (2011). Haemolysin II is a Bacillus cereus virulence factor that induces apoptosis of macrophages. Cell Microbiol. 13(1): 92-108.

- Tran SL, Guillemet E, Gohar M, Lereclus D, Ramarao N. (2010). CwpFM (EntFM) is a Bacillus cereus potential cell wall peptidase implicated in adhesion, biofilm formation, and virulence. J. Bacteriol. 192(10): 2638-2642.

- Cadot C, Tran SL, Vignaud ML, De Buyser ML, Kolstø AB, Brisabois A, Nguyen-Thé C, Lereclus D, Guinebretière MH, Ramarao N. (2010). InhA1, NprA, and HlyII as candidates for markers to differentiate pathogenic from nonpathogenic Bacillus cereus strains. J. Clin. Microbiol. 48(4): 1358-1365.

- Guillemet E, Cadot C, Tran SL, Guinebretière MH, Lereclus D, Ramarao N. (2010). The InhA metalloproteases of Bacillus cereus contribute concomitantly to virulence. J. Bacteriol. 192(1): 286-294.