Incidence of marine and mangrove bacteria accumulating polyhydroxyalkanoates on the mid-west coast of India

The tropical marine and mangrove microflora from the mid-west coast of India were found to be diverse with respect to enzymatic activities. The bacterial counts and the enzyme activities of the mangrove microflora were found to be influenced by the seasonal variations. The microflora of these ecosys...

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Bibliographic Details
Published in:World journal of microbiology & biotechnology 2002-10, Vol.18 (7), p.655-659
Main Authors: RAWTE, T, PADTE, M, MAVINKURVE, S
Format: Article
Language:English
Subjects:
Bacteria
Biological and medical sciences
Brackish
Enzymatic activity
Enzymes
Esters
Fundamental and applied biological sciences. Psychology
Marine
Polyhydroxyalkanoates
Polymers
Seasonal variations
Sediment samplers
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Summary:The tropical marine and mangrove microflora from the mid-west coast of India were found to be diverse with respect to enzymatic activities. The bacterial counts and the enzyme activities of the mangrove microflora were found to be influenced by the seasonal variations. The microflora of these ecosystems also possessed a high potential to accumulate important polymers such as polyhydroxyalkanoates (PHA). Out of a total of 866 bacterial cultures isolated from this region, 337 cultures were scored positive for PHA production. Amongst these isolates, seven cultures accumulated more than 1 g of PHA per litre of culture broth. The TLC profiles of the methyl esters of PHA from the seven cultures showed varied profiles. The sediment samples also showed the presence of PHA with five different monomeric units.[PUBLICATION ABSTRACT]
ISSN:0959-3993
1573-0972
DOI:10.1023/A:1016872631403