Korean Journal of Food Science and Technology (한국식품과학회지)

Korean Society of Food Science and Technology (한국식품과학회)
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Isolation of Marine Bacterium Decomposing Sea tangle (Laminaria japonica) to Single Cell Detritus

다시마(Laminaria japonica)를 single cell detritus로 분해하는 해양세균의 분리

  • Yi, Kun-Wook (Faculty of Marine Bioscience and Technology, Kangnung National University) ;
  • Shin, Il-Shik (Faculty of Marine Bioscience and Technology, Kangnung National University)
  • 이건욱 (강릉대학교 해양생명공학부) ;
  • 신일식 (강릉대학교 해양생명공학부)
  • Published : 2006.04.01
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Abstract

Seventy-one marine bacteria decomposing sea tangle (Laminaria japonica) into single cell detritus (SCD) were isolated from sea water, sea tangle, sea mustard (Undaria pinnatifida), sea urchin (Anthocidaris crassispina), star fish (Acanthaster planci), and turban cell (Batillus cornutus), among which 14 strains decreased cutting strength of sea tangle and had alginate-degrading activity. Marine bacterium No. 34 isolated from turban cell showed lowest cutting strength of sea tangle, strongest alginate-degrading activity, and produced high content of $5-10\;{\mu}m$ SCD from sea tangle. This strain was identified as Vibrio sp. based on morphological, physiological, and biochemical characteristics and named as Vibrio sp. YKW-34.

다시마(Laminaria japonica)를 기능성 식품소재로 활용하기 위한 예비단계로, 다세포의 다시마를 미립자의 single cell detritus(SCD)로 분해하는 해양세균을 해수, 다시마(Laminaria japonica), 미역(Undaria pinnatifida), 성게(Anthocidaris crassispina), 불가사리(Acanthaster planci), 소라(Batillus cornutus)로부터 분리하였다. 분리한 71개의 균주 중 다시마 조체의 연화능과 알긴산 분해활성을 동시에 가지는 균주는 14개이었으며, 균주 No. 34가 가장 강한 다시마 조체의 연화능과 알긴산 분해활성을 나타내었다. 균주 No. 34는 배양 15일 만에 다세포의 다시마를 미립자의 SCD 형태로 분해하였으며, 그 크기는 $5-10{\mu}m$이었다. 균주 No. 34는 vibrio sp.으로 동정되었으며, Vibrio sp. YKW-34로 명명하였다.

Keywords

References

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