Literature DB >> 23463516

Changes in membrane fatty acid composition of Pseudomonas aeruginosa in response to UV-C radiations.

Salma Kloula Ben Ghorbal1, Abdelwaheb Chatti, Mohamed Marwan Sethom, Lobna Maalej, Mouadh Mihoub, Sana Kefacha, Moncef Feki, Ahmed Landoulsi, Abdennaceur Hassen.   

Abstract

The changes in lipid composition enable the micro-organisms to maintain membrane functions in the face of environmental fluctuations. The relationship between membrane fatty acid composition and UV-C stress was determined for mid-exponential phase and stationary phase Pseudomonas aeruginosa. The total lipids were obtained by dichloromethane/methanol (3:1) and were quantified by GC. The TLC analysis of phospholipids showed the presence of three major fractions phosphatidylethanolamine, phosphatidylglycerol, and cardiolipin. Significant modifications, as manifested by an increase of UFA, were obtained. Interestingly, this microorganism showed a remarkable capacity for recovery from the stressful effects of UV-C.

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Year:  2013        PMID： 23463516     DOI： 10.1007/s00284-013-0342-5

Source DB:  PubMed          Journal:  Curr Microbiol        ISSN： 0343-8651            Impact factor:   2.188


  18 in total

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  8 in total

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  8 in total

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