Optimization of Culturing Conditions for Improved Production of Bioactive Metabolites by Pseudonocardia sp. VUK-10
2011
Kiranmayi, Mangamuri Usha, Acharya Nagarjuna University, Andhra Pradesh, India | Sudhakar, Poda, Acharya Nagarjuna University, Andhra Pradesh, India | Sreenivasulu, Kamma, K L University, Vaddeswaram, Andhra Pradesh, India | Vijayalakshmi, Muvva, Acharya Nagarjuna University, Andhra Pradesh, India
The purpose of the present study was to investigate the influence of cultural and environmental parameters affecting the growth and bioactive metabolite production of the rare strain VUK-10 of actinomycete Pseudonocardia, which exhibits a broad spectrum of in vitro antimicrobial activity against bacteria and fungi. Production of bioactive metabolites by the strain was high the in modified yeast extract-malt extract-dextrose (ISP-2) broth, as compared to other tested media. Glucose (1%) and tryptone (0.25%) were found to be the most suitable carbon and nitrogen sources, respectively, for optimum production of growth and bioactive metabolites. Maximum production of bioactive metabolites was found in the culture medium with initial pH 7 incubated with the strain for four days at 30℃, under shaking conditions. This is the first report on the optimization of bioactive metabolites by Pseudonocardia sp. VUK-10.
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