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Characterization of an alginolytic marine bacterium from decaying rishiri-kombu Laminaria japonica var. ochotensis

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/52096

Title: Characterization of an alginolytic marine bacterium from decaying rishiri-kombu Laminaria japonica var. ochotensis
Authors: Sawabe, Tomoo Browse this author →KAKEN DB
Ezura, Yoshio Browse this author →KAKEN DB
Kimura, Takahisa Browse this author →KAKEN DB
Issue Date: 1992
Publisher: 日本水産学会
Journal Title: 日本水産学会誌
Journal Title(alt): Bulletin of the Japanese Society of Scientific Fisheries
Volume: 58
Issue: 1
Start Page: 141
End Page: 145
Publisher DOI: 10.2331/suisan.58.141
Abstract: An alginolytic marine bacterium, H-4, was isolated from decaying thalli of Laminaria japonica var. ochotensis. Strain H-4 is a gram-negative polarly flagellated rod, which oxidatively produces acid from glucose, is oxidase positive and requires seawater for growth. DNA base composition measured from melting point of DNA is 39.8mol%G+C. According to these characteristics, the strain was identified as genus Alteromonas. Alteromonas sp. H-4 resembles A. espejiana but differs in DNA base composition and some properties and could not be identified to any species in the genus Alteromonas.The productivity of extracellular alginate lyase by Alteromonas sp. H-4 increased with seawater concentration and decreased with casitone concentration in the media. Its productivity was observed in a medium without alginate. The bacterium produced a maximum amonut of alginate lyase in liquid media containing 75% seawater, 0.5% casitone, and 0.1% sodium alginate after 96h incubation with shaking at 25°C.
Rights: © 1992 公益社団法人日本水産学会
© 1992 The Japanese Society of Fisheries Science
Type: article
URI: http://hdl.handle.net/2115/52096
Appears in Collections:水産科学院・水産科学研究院 (Graduate School of Fisheries Sciences / Faculty of Fisheries Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 澤辺 智雄

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