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Abstract
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Article Information:
Biosurfactant and Heavy Metal Resistance Activity of Streptomyces spp. Isolated from Saltpan Soil
Lakshmipathy Deepika and Krishnan Kannabiran
Corresponding Author: Kumar Saurav
Submitted: 2010 May, 06
Accepted: 2010 May, 21
Published: 2010 June, 20 |
Abstract:
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Actinomycetes were isolated from the marine soil samples collected at the Ennore saltpan and were
screened for biosurfactant and heavy metal resistance activity. Biosurfactant activity was evaluated by
haemolysis, drop collapsing test and lipase production. Similarly heavy metal resistance was determined by
tube method and agar diffusion method. Among them, two actinomycetes isolates VITDDK1 and VITDDK2
exhibited significant biosurfactant and heavy metal resistance activity. Based on the Hideo Nonomura’s key
for classification of actinomycetes, the isolate VITDDK1 was similar to Streptomyces orientalis and VITDDK2
to Streptomyces aureomonopodiales. However molecular phylogeny based on neighbour-joining method
showed 99% similarity of VITDDK1 with Streptomyces sp. A403Ydz-QZ and 93% similarity of VITDDK2
with Streptomyces sp. strain 346.
Key words: Bioremediation, biosurfactant, Hideo Nonomura’s classification, Streptomyces spp. VITDDK1, Streptomyces spp. VITDDK2, ,
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Cite this Reference:
Lakshmipathy Deepika and Krishnan Kannabiran, . Biosurfactant and Heavy Metal Resistance Activity of Streptomyces spp. Isolated from Saltpan Soil. British Journal of Pharmacology and Toxicology, (1): Page No: 33-39.
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ISSN (Online): 2044-2467
ISSN (Print): 2044-2459 |
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