日本沿岸域海水からのコンブ類葉体分解菌の分離〔英文〕
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概要
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A search was undertaken to isolate bacteria capable of decomposing Laminaria fronds directly. Among 89 strains isolated from seawater samples with an agar plate enriched with Laminaria powder, 62 strains showed a Laminaria-frond decomposing ability which was detected by a rheometer test after 4 weeks' incubation at 20°C. The Laminaria-frond decomposing bacteria (LDB) were isolated from 10 locations out of 11, suggesting their widespread distribution in the Japanese coastal waters. Most of the LDB were assigned to the Vibrio group according to Simidu's scheme and had an alginate-degrading ability. Gel filtration analysis of saccharides dissolved in the culture medium during the decomposition test showed that the algal polysaccharides were degraded, and that the decomposition products differed greatly in molecular size from strain to strain.
- 日本水産學會の論文