L-Asparaginase Production by Various Bacteria
نویسندگان
چکیده
منابع مشابه
L-asparaginase production by various bacteria.
Of 123 species of bacteria surveyed for L-asparaginase synthesis, Erwinia aroideae NRRL B-138 provided the highest yields.
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L-asparaginase production was investigated in the filamentous fungi Aspergillus tamarii and Aspergillus terreus. The fungi were cultivated in medium containing different nitrogen sources. A. terreus showed the highest L-asparaginase (activity) production level (58 U/L) when cultivated in a 2% proline medium. Both fungi presented the lowest level of L-asparaginase production in the presence of g...
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An attempt is made in the present study to optimize the cultural conditions for the production of L-asparaginase by Fusarium oxysporum using submerged fermentation. Different fungal species were isolated and identified using standard manuals, screened initially for the production of extracellular L-asparaginase during their growth on Czapek’s Dox medium containing Lasparagine as sole source of ...
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l-Asparaginase II was synthesized at constant rates by Escherichia coli under anaerobic conditions. The enzyme was produced optimally by bacteria grown between pH 7 and 8 at 37 C. Although some enzyme was formed aerobically, between 100 and 1,000 times more asparaginase II was produced during anaerobic growth in media enriched with high concentrations of a variety of amino acids. Bacteria grown...
متن کاملFactors influencing L-asparaginase production by Erwinia aroideae.
Increased yields of L-asparaginase from Erwinia aroideae NRRL B-138 were obtained by medium enrichment techniques coupled with aeration optimization.
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ژورنال
عنوان ژورنال: Applied Microbiology
سال: 1969
ISSN: 0003-6919
DOI: 10.1128/am.17.6.929-930.1969