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两种瘤胃细菌纯培养物对γ-亚麻酸的氢化作用。

The hydrogenation of gamma-linolenic acid by pure cultures of two rumen bacteria.

作者信息

Kemp P, Lander D J

出版信息

Biochem J. 1983 Nov 15;216(2):519-22. doi: 10.1042/bj2160519.

DOI:10.1042/bj2160519
PMID:6318740
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC1152535/
Abstract

Two species of rumen bacteria that have been previously shown to partially hydrogenate alpha-linolenic acid have been examined for their ability to hydrogenate gamma-linolenic acid. Free gamma-linolenic acid is hydrogenated in vitro to stearic acid by a rumen Fusocillus sp. (N.C.I.B. 11026), but only to cis,trans-octadec-6,11-enoic acid by a Butyrivibrio sp. The sequential hydrogenations are preceded by a delta 12-cis-delta 11-trans isomerization identical with that observed in the hydrogenation of alpha-linolenic acid and linoleic acid.

摘要

先前已证明两种瘤胃细菌能够部分氢化α-亚麻酸，现对它们氢化γ-亚麻酸的能力进行了研究。游离的γ-亚麻酸在体外被一种瘤胃梭状芽孢杆菌属（N.C.I.B. 11026）氢化为硬脂酸，但被一种丁酸弧菌属仅氢化为顺,反-十八碳-6,11-二烯酸。在连续氢化之前会发生δ12-顺式-δ11-反式异构化，这与在α-亚麻酸和亚油酸氢化过程中观察到的异构化相同。

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1
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本文引用的文献

1
Determination of the specific positions ofcis andtrans double bonds in polyenes.多烯中顺式和反式双键具体位置的测定。
Lipids. 1966 Mar;1(2):98-103. doi: 10.1007/BF02532998.
2
Isomerization of linolenic acid by rumen micro-organisms.瘤胃微生物对亚麻酸的异构化作用。
Biochem J. 1968 Sep;109(3):477-8. doi: 10.1042/bj1090477.
3
The isomerization of 2,5- and 9,12-octadecadienoic acids by an extract of Butyrivibrio fibrisolvens.溶纤维丁酸弧菌提取物对2,5-和9,12-十八碳二烯酸的异构化作用
Biochim Biophys Acta. 1976 Feb 23;424(2):296-302. doi: 10.1016/0005-2760(76)90197-1.
4
The hydrogenation of unsaturated fatty acids by five bacterial isolates from the sheep rumen, including a new species.从绵羊瘤胃中分离出的5种细菌菌株（包括一个新物种）对不饱和脂肪酸的氢化作用。
J Gen Microbiol. 1975 Sep;90(1):100-14. doi: 10.1099/00221287-90-1-100.
5
Characteristics of a lipolytic and fatty acid-requiring Butyrivibrio sp. isolated from the ovine rumen.从绵羊瘤胃中分离出的一种具有脂解作用且需要脂肪酸的丁酸弧菌属菌株的特性
J Gen Microbiol. 1979 May;112(1):15-27. doi: 10.1099/00221287-112-1-15.