NDLI: Lipid Composition of Novel Shewanella Species Isolated from Far Eastern Seas

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Lipid Composition of Novel Shewanella Species Isolated from Far Eastern Seas

Content Provider	Semantic Scholar
Author	Frolova, Galina M. Pavel, Konstantin Shparteeva, A. A. Nedashkovskaya, Olga I. Gorshkova, N. M. Ivanova, Elena P. Mikhailov, Valery V.
Copyright Year	2005
Abstract	A comparative study of the lipid composition of 26 strains (including type strains) of marine Gammaproteobacteria belonging to the genera Shewanella, Alteromonas, Pseudoalteromonas, Marinobacterium, Microbulbifer, and Marinobacter was carried out. The bacteria exhibited genus-specific profiles of ubiquinones, phospholipids, and fatty acids, which can serve as reliable chemotaxonomic markers for tentative identification of new isolates. The studied species of the genus Shewanella were distinguished by the presence of two types of isoprenoid quinones, namely, ubiquinones Q-7 and Q-8 and menaquinones MK-7 and MMK-7; five phospholipids typical of this genus, namely, phosphatidylethanolamine (PE), phosphatidylglycerol (PG), diphosphatidylglycerol (DPG), lyso-PE, and acyl-PG; and the fatty acids [15:0, 16:0, 16:1 (n-7), 17:1 (n-8), i-13:0, and i-15:0]. The high level of branched fatty acids (38–45%) and the presence of eicosapentaenoic acid (4%) may serve as criteria for the identification of this genus. Unlike Shewanella spp., bacteria of the other genera contained a single type of isoprenoid quinone: Q-8 (Alteromonas, Pseudoalteromonas, Marinobacterium, and Microbulbifer) or Q-9 (Marinobacter). The phospholipid compositions of these bacteria were restricted to three components: two major phospholipids (PE and PG) and a minor phospholipid, bisphosphatidic acid (Alteromonas and Pseudoalteromonas) or DPG (Marinobacterium, Microbulbifer, and Marinobacter). The bacteria exhibited genus-specific profiles of fatty acids.
Starting Page	664
Ending Page	669
Page Count	6
File Format	PDF HTM / HTML
DOI	10.1007/s11021-005-0121-9
PubMed reference number	16400986
Journal	Medline
Volume Number	74
Alternate Webpage(s)	https://page-one.springer.com/pdf/preview/10.1007/s11021-005-0121-9
Journal	Microbiology
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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