Scholarlink

Abstract <p><i>Serratia</i> sp<i>.</i> strain I1P, a facultative anaerobe of the family <i>Enterobacteriaceae</i>, was recently isolated from Elephant Island, Antarctica. The primary goal of this article was to identify the fatty acid composition and polar lipid profile in the cell membrane as these lipids are known to adapt to the colder temperatures. We extracted total polar lipids from strain I1P cell membrane and characterized the lipid structures of certain isolated fractions by GC-FID chromatography and Tandem Mass spectrometry. We identified several lipid classes, including phosphatidylglycerol, phosphatidylethanolamine, phosphatidic acid, and acyl phosphatidylglycerol. These lipids contained about 46% monounsaturated fatty acids and around 80% short-chain fatty acids (C14−C16). This composition helps the organism maintain the membrane fluidity, especially in colder temperatures, enhancing its ability to survive in such environments.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Qualitative Analysis of Lipid Composition of Psychrotolerant Serratia sp. Strain I1P, Isolated from Antarctica

  • 期刊论文

  • 发表日期：

    2025年2月28日

查看全文
  • S. P. Shah,
  • S. A. Jansen,
  • S. P. Lawrence,
  • P. Lee-Gau Chong,
  • J. Pereira,
  • D. N. Correa-Llantén,
  • J. M. Blamey

摘要

Abstract

Serratia sp. strain I1P, a facultative anaerobe of the family Enterobacteriaceae, was recently isolated from Elephant Island, Antarctica. The primary goal of this article was to identify the fatty acid composition and polar lipid profile in the cell membrane as these lipids are known to adapt to the colder temperatures. We extracted total polar lipids from strain I1P cell membrane and characterized the lipid structures of certain isolated fractions by GC-FID chromatography and Tandem Mass spectrometry. We identified several lipid classes, including phosphatidylglycerol, phosphatidylethanolamine, phosphatidic acid, and acyl phosphatidylglycerol. These lipids contained about 46% monounsaturated fatty acids and around 80% short-chain fatty acids (C14−C16). This composition helps the organism maintain the membrane fluidity, especially in colder temperatures, enhancing its ability to survive in such environments.