IFCPAR AR (ENGLISH) for CD - CEFIPRA
IFCPAR AR (ENGLISH) for CD - CEFIPRA
IFCPAR AR (ENGLISH) for CD - CEFIPRA
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26<br />
Environmental Sciences<br />
Prof. Surya S. Singh<br />
Department of Biochemistry<br />
Osmania University<br />
Hyderabad<br />
<strong>IFCP<strong>AR</strong></strong><br />
Indo-French Centre <strong>for</strong> the Promotion of Advanced Research<br />
Project 3709-1<br />
CH<strong>AR</strong>ACTERIZATION OF METAL RESPONSIVE GENES FROM BACTERIA<br />
Dr Agnès Rodrigue<br />
Microbiologie, Adaptation et<br />
Pathogénie UMR5240 CNRS-INSA-<br />
UCB<br />
Villeurbanne<br />
Duration: Three years and six months (September, 2007 to<br />
February, 2011)<br />
Objectives<br />
i) In Silico approach <strong>for</strong> screening, identification and<br />
selection of metal responsive genes in Pseudomonas<br />
putida and P.aeruginosa<br />
ii) A proteomic approach <strong>for</strong> the identification of nickel and<br />
cobalt responsive genes in Pseudomonas aeruginosa and<br />
P. putida<br />
iii) Cloning and expression of genes selected from<br />
Pseudomonas putida and P.aeruginosa, following<br />
bioin<strong>for</strong>matics or comparative proteomics<br />
iv) Generation of knockout mutants <strong>for</strong> Ni and Co transporter<br />
gene(s) in P.putida and P. aeruginosa<br />
v) Applications in metal removal (Ni/Co) using recombinant<br />
bacteria<br />
Accomplishments<br />
i) A complete genomic analysis of metal transportomes has<br />
been accomplished from the four divergent Pseudomonas<br />
(Ppu, Pae, Pfl, Psy) which aided in identifying two novel<br />
heavy metal resistance determinants in Ppu and Psy (mrdH<br />
and rcnAPsy)<br />
ii) A new metal efflux transporter, mrdH, displaying chimeric<br />
domain organization, broad substrate spectrum has been<br />
identified in P. putida KT2440<br />
iii) Recombinant E. coli <strong>AR</strong>Y023 and Deinococus radiodurans<br />
expressing NiCoT genes were explored to decontaminate<br />
60 Co from spent decontamination solutions of nuclear<br />
power reactors<br />
iv) The proteomics approach led to the identification of 182<br />
proteins regulated by Ni or Co. Among them, 9 are proteins<br />
of unknown function that constitute of wide reservoir of<br />
novel genes <strong>for</strong> further studies<br />
v) The biological component <strong>for</strong> the designing of Ni and Co<br />
biosensor <strong>for</strong> Ni and Co environmental monitoring is<br />
achieved<br />
Research papers published: Three<br />
Papers presented in conference: 1<br />
Posters: 3