| Cold-Induced Accumulation of ω-3 Polyunsaturated Fatty Acid in a Liverwort, Marchantia polymorpha L. | |
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MedLine Citation:
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PMID: 22484954 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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The liverwort Marchantia polymorpha L. synthesizes various long-chain polyunsaturated fatty acids including arachidonic acid and eicosapentaenoic acid, neither of which is produced by higher plants. Here we report the effects of temperature on long-chain polyunsaturated fatty acid accumulation in the liverwort. The accumulation of ω-3 polyunsaturated fatty acids increased significantly as the growth temperature decreased. Specifically, the relative content of eicosapentaenoic acid to total fatty acids at 5 °C was approximately 3-fold higher than at 25 °C. On the other hand, the accumulation of ω-6 polyunsaturated fatty acids decreased at low temperatures. An analysis of gene expression indicated that the mRNA of the MpFAD3 gene for ER ω-3 desaturase increased significantly at 5 °C. These results indicate that in the liverwort the n-3 pathway was enhanced at low temperature, mainly via expression of the cold-induced ω-3 desaturase gene, leading to increased accumulation of eicosapentaenoic acid. |
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Authors:
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Miho Takemura; Tatsuro Hamada; Haruka Kida; Kanji Ohyama |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-4-7 |
Journal Detail:
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Title: Bioscience, biotechnology, and biochemistry Volume: - ISSN: 1347-6947 ISO Abbreviation: - Publication Date: 2012 Apr |
Date Detail:
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Created Date: 2012-4-9 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9205717 Medline TA: Biosci Biotechnol Biochem Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Research Institute for Bioresources and Biotechnology, Ishikawa Prefectural University. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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