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KMID : 0613820040140010098
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Journal of Life Science
2004 Volume.14 No. 1 p.98 ~ p.103
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Isolation of a Seaweed Hydrolytic Strain from the Microflora in Water of a Paddy Field
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Kim Hae-Sub
Choi Ok-Soo
Kang Dong-Soo
Park Uk-Min
Bae Tae-Jin
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Abstract
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Various bacterial strains were isolated from water in a paddy field, and their seaweed degrading activities were investigated. As the result, 16 strains were obtained from the microflora sample. They were incubated in a liquid medium of sea tangle powder for 3 weeks. Ratios of reduced sugar to total sugar of the liquid medium were measured once a week during the incubation period. Ratio of reduced sugar to total sugar of 30A412 strain was highest. Accordingly, 30A412 strain was incubated in three different liquid media of sodium alginate, sea tangle powder, and sea mustard powder for 3 or 4 weeks. The ratios of reduced sugar to total sugar and cell growth were measured once a week during the incubation period. Ratios of reduced sugar to total sugar and cell growth were increased with the incubation period. Cell growth and degrading ratio were highest in the liquid medium with sea mustard powder.
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KEYWORD
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Seaweed, Hydrolysis, Microflora, Sea tangle, Sea mustard
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