Abstract

Ninety-six isolates were collected at various depths and sea shores of the Bay of Bengal near Visakhapatnam Coastal of Andhra Pradesh. These isolates were screened for the isolation of lipase activity by tributyrin agar clearing method and cultured under submerged fermentation and assayed for extra cellular lipase production by using tributyrin as substrate. Cultural characteristics of the selected strain was done by incorporating different media. Various parameters namely morphological, biochemical, physiological and molecular were used for the characterization and identification of actinomycetes isolates. Results indicated that all the isolates showed lipolytic activity after primary screening. The marine isolate T9 was the most active one thus the same was selected for production of lipase. The 16S rDNA amplification for phylogenetic study revealed that the isolate was highly related to Nocardiopsis dassonvillei. In conclusion, these results increased the scope of finding industrially important marine actinomycetes from Visakhapatnam Coastal of Andhra Pradesh.

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