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Indian J Microbiol. 2008 Sep;48(3):331-6. doi: 10.1007/s12088-008-0018-1. Epub 2008 Jun 12.

L-asparaginase production by Streptomyces albidoflavus.

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Acharya Nagarjuna University, Guntur, 522 510, AP India.


Attempts were made to optimize the cultural conditions for the production of L-asparaginase by Streptomyces albidoflavus under submerged fermentations. Enhanced level of L-asparaginase was found in culture medium supplemented with maltose as carbon source. Yeast extract (2%) was served as good nitrogen source for the production of L-asparaginase. The optimum pH for enzyme production was 7.5 and temperature was 35°C. The release of L-asparaginase from the cells of S. albidoflavus was high when strain was treated with cell disrupting agents like EDTA and lysozyme. The enzyme produced by the strain was purifi ed by ammonium sulfate, Sephadex G-100 and CM-Sephadex C-50 gel fi ltration and the molecular weight was apparently determined as 112 kDa.


Cell disrupting agents; L-asparaginase; Streptomyces albidoflavus

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