Synthesis of reserve polyhydroxyalkanoates by luminescent bacteria

Autor:	Tatiana G. Volova, E. K. Rodicheva, Anatoly N. Boyandin, Galina S. Kalacheva
Rok vydání:	2008
Předmět:	Vibrio harveyi Hydroxybutyric acid Chemical structure Microorganism Luminescent bacteria Biology biology.organism_classification Applied Microbiology and Biotechnology Microbiology Polyhydroxyalkanoates chemistry.chemical_compound chemistry Biosynthesis Photobacterium leiognathi Biochemistry
Zdroj:	Microbiology. 77:318-323
ISSN:	1608-3237 0026-2617
DOI:	10.1134/s0026261708030119
Popis:	The ability of marine luminescent bacteria to synthesize polyesters of hydroxycarboxylic acids (polyhydroxyalkanoates, PHA) as reserve macromolecules was studied. Twenty strains from the collection of the luminescent bacteria CCIBSO (WDCM839) of the Institute of Biophysics, Siberian Branch, Russian Academy of Sciences, assigned to different taxa (Photobacterium leiognathi, Ph. phosphoreum, Vibrio harveyi, and V. fischeri) were analyzed. The most productive strains were identified, and the conditions ensuring high polymer yields in batch culture (40–70% of the cell dry mass weight) were determined. The capacity for synthesizing two-and three-component polymers containing hydroxybutyric acid as the main monomer and hydroxyvaleric and hydroxyhexanoic acids was revealed in Ph. leiognathi and V. harveyi strains. The results allow luminescent microorganisms to be regarded as new producers of multicomponent polyhydroxyalkanoates.
Databáze:	OpenAIRE
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