| Lipids Containing Polyunsaturated Fatty Acids Synthesized by Zygomycetes Grown on Glycerol. | |
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MedLine Citation:
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PMID: 22057906 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Several strains of Zygomycetes cultivated on glycerol produced mycelia rich in lipids containing higher amounts of neutral lipids (NL) than glycolipids plus sphingolipids and phospholipids (P), while biosynthesis of P in Mortierella ramanniana, Mucor sp., and Cunninghamella echinulata occurred though NL accumulation process was in progress. Polyunsaturated fatty acids (PUFA) concentration gradually decreased in all lipid fractions of M. ramanniana during growth. In contrast, in C. echinulata concentration of both linoleic and γ-linolenic acids increased with time, especially in P. Taking for granted that the main function of PUFA is associated to their participation in mycelial membranes, we could suppose that biosynthesis of these fatty acids is associated to mycelial growth. However, this is accurate only for some Zygomycetes, e.g., M. ramanniana. On the contrary, PUFA biosynthesis in C. echinulata persists after growth cessation, suggesting that in this species biosynthetic ability is not a strictly growth-associated process. Phosphatidyl-inositol and phosphatidyl-choline were the major P classes in C. echinulata and M. ramanniana, respectively. In M. ramanniana, a decrease of PUFA concentration was noticed even when mycelia were incubated in low temperature (conditions that normally favor PUFA biosynthesis), indicating that PUFA biosynthesis in this fungus is associated to primary metabolism. |
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Authors:
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Stamatia Bellou; Anna Moustogianni; Anna Makri; George Aggelis |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-11-5 |
Journal Detail:
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Title: Applied biochemistry and biotechnology Volume: - ISSN: 1559-0291 ISO Abbreviation: - Publication Date: 2011 Nov |
Date Detail:
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Created Date: 2011-11-7 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8208561 Medline TA: Appl Biochem Biotechnol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Unit of Microbiology, Division of Genetics, Cell and Development Biology, Department of Biology, University of Patras, Patras, 265 04, Greece. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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