Cultural conditions of marine <i>Bacillus</i> spp. and effect on produced antagonistic protein

TIAN Li; LI Guang-you

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TIAN Li, LI Guang-you. Cultural conditions of marine Bacillus spp. and effect on produced antagonistic protein[J]. Haiyang Xuebao, 2001, 23(4): 87-92.

Citation:

TIAN Li, LI Guang-you. Cultural conditions of marine Bacillus spp. and effect on produced antagonistic protein[J]. Haiyang Xuebao, 2001, 23(4): 87-92.

TIAN Li, LI Guang-you. Cultural conditions of marine Bacillus spp. and effect on produced antagonistic protein[J]. Haiyang Xuebao, 2001, 23(4): 87-92.

Citation:

TIAN Li, LI Guang-you. Cultural conditions of marine Bacillus spp. and effect on produced antagonistic protein[J]. Haiyang Xuebao, 2001, 23(4): 87-92.

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Cultural conditions of marine Bacillus spp. and effect on produced antagonistic protein

First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China

Received Date: 2000-01-04
Rev Recd Date: 2000-04-18

Abstract

Abstract

The antagonistic protein production, which inhibits 6 species fungi and bacteria from marine Bacillus spp., and the cultural conditions such as temperature, fermentation peried, NaCl concentration and pH of 4 strians marine bacter ia are studied.The result of test shows that suittable factor for both bacteria growth and antimicrobial substance produce are 20~28, 84~108 h, NaCl 1%~3%, pH5~8.Concentration of ammonium sulfate between 50% and 70% is the most fitting saturation for antagonistic protein precipitability.The proteins are insensitive to heat and protein and have high inhibitory value to pathogenetic fungi.
- marine Bacillus spp,
- cultural conditions,
- antagonistic protein,

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