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BIOINFOLET - A Quarterly Journal of Life Sciences
Year : 2009, Volume : 6, Issue : 2
First page : ( 110) Last page : ( 114)
Print ISSN : 0973-1431.

Production of FAA and proteins by anoxygenic purple non-sulphur phototrophic bacteria

Munjam Srinivas, Girisham S., Reddy S.M.

Department of Microbiology, Kakatiya University, Warangal-506 009, (A.P.) India.

Abstract

Production of FAA and proteins by Rhodopseudmonas palustris, Rhodobacter sphaeroides, Rhodocyelus gelatinosus and Rc. tenuis, isolated from effluents and waste water was investigated. The organisms differed significantly in the amount of FAA produced. Rb. sphaeroides produced maximum protein and FAA, followed by Rc. gelliltinosus and Rc. tenuis. Aerobic (illuminated) and anaerobic (dark and illuminated) conditions were favourable for the production of proteins by Rc. gelatinosus and Rc. tenuis, Rb. sphaeroides preferred illuminated anaerobic conditions for intracellular protein and FAA production. Blue and yellow lights were more favorable than green and red light, for growth, protein and FAA production. Anaerobic conditions Were betterfor FAA production by Re. gelatinosus, while Rb. sphaeroides remained unaffected.

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Key words

Free amino acids, growth conditions; photOtrophic bacteria, proteins.

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