書誌事項
- タイトル別名
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- Microflora in the alimentary tract of gray mullet. IV. Estimation of enzymic activities of the intestinal bacteria.
- ボラ消化管内の細菌叢-4-ディスク電気泳動法による各種細胞外酵素活性の分離と測定〔英文〕
- ボラ ショウカカンナイ ノ サイキンソウ 4 ディスク デンキ エイドウホウ
- Estimation of Enzymic Activities of the Intestinal Bacteria
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Polyacrylamide gel electrophoresis was used to compare the enzymic activities of the bacteria in the intestine of gray mullet, Mugil cephalus, an amphidromous fish with an undeveloped stomach. These bacteria may help the digestion of high molecular weight compounds in the intestine. It was found that most of the isolates possessed strong proteolytic activity, in which the gelatinolytic activity was stronger than the caseinolytic activity. Almost all Vibrio and Enterobacter isolated from the intestine possessed strong protease and amylase isozymal electrophoretic bands. Clear differences between the protease and amylase isozyme zymograms were noticed with Vibrio, Entero-bacter, and the other isolates. Some of the isolates possessed chitinase and lecithinase activities, but none of the isolates tested showed these activity bands by polyacrylamide gel electrophoresis. All the active patterns obtained from Vibrio and Enterobacter showed more and stronger bands than those from the other isolates. On the other hand, the mullet intestine possessed a detectable level of proteolytic activity, but it did not show any chitinase or amylase activity. The enzymic activities in the digestion of high molecular weight compounds were discussed.
収録刊行物
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- 日本水産学会誌
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日本水産学会誌 45 (1), 99-106, 1979
公益社団法人 日本水産学会
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詳細情報 詳細情報について
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- CRID
- 1390001206413876352
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- NII論文ID
- 130001547867
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- NII書誌ID
- AN00193422
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- ISSN
- 1349998X
- 00215392
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- NDL書誌ID
- 2040121
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可