| Novel multi-component enzyme machinery in lactic acid bacteria catalyzing CC double bond migration useful for conjugated fatty acid synthesis. | |
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MedLine Citation:
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PMID: 22093837 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Linoleic acid isomerase was identified as a multi-component enzyme system that consists of three enzymes that exist in both the membrane and soluble fractions of Lactobacillus plantarum. One enzyme (CLA-HY) is present in the membrane fraction, while two enzymes (CLA-DH and CLA-DC) exist in the soluble fraction. Three Escherichia coli transformants expressing CLA-HY, CLA-DH, and CLA-DC were constructed. Conjugated linoleic acid (CLA) and 10-hydroxy-12-octadecenoic acid were generated from linoleic acid only when all these three E. coli transformants were used as catalysts simultaneously. CLA-HY catalyzed the hydration reaction, a part of linoleic acid isomerization, to produce 10-hydroxy-12-octadecenoic acid. This multi-component enzyme system required oxidoreduction cofactors such as NADH and FAD. This is the first report to reveal enzymes genes and the elaborate machinery that synthesizes CLA, especially an important isomer of cis-9, trans-11-CLA, in lactic acid bacteria. |
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Authors:
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Shigenobu Kishino; Si-Bum Park; Michiki Takeuchi; Kenzo Yokozeki; Sakayu Shimizu; Jun Ogawa |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-11-10 |
Journal Detail:
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Title: Biochemical and biophysical research communications Volume: - ISSN: 1090-2104 ISO Abbreviation: - Publication Date: 2011 Nov |
Date Detail:
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Created Date: 2011-11-18 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0372516 Medline TA: Biochem Biophys Res Commun Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011. Published by Elsevier Inc. |
Affiliation:
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Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Kitashirakawa-oiwakecho, Sakyo-ku, Kyoto 606-8502, Japan; Laboratory of Industrial Microbiology, Graduate School of Agriculture, Kyoto University, Kitashirakawa-oiwakecho, Sakyo-ku, Kyoto 606-8502, Japan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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