Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/16753
Title: Electrospray ionization-tandem mass spectrometry analysis of phospholipid molecular species from Antarctic and non-Antarctic yeasts
Contributor(s): Bhuiyan, Mohammad Aminul (author); Tucker, David  (author); Watson, Kenneth  (author)
Publication Date: 2014
DOI: 10.1016/j.mimet.2014.07.011
Handle Link: https://hdl.handle.net/1959.11/16753
Abstract: High performance liquid chromatography-electrospray ionization tandem mass spectrometry was applied to the comprehensive analysis of phospholipids from seven Antarctic and seven non-Antarctic yeasts. Identification of specific fatty acyl moieties to the 'sn-1' and 'sn-2' positions of phosphatidylethanolamine (PE), phosphatidylcholine (PC), phosphatidylserine (PS) and phosphatidylinositol (PI) were determined by relative abundance of fragment ions associated with formation of carboxylate anions and loss of fragment ions as free fatty carboxylic acid and ketene. Modulations with growth temperature in fatty acyl moieties in the 'sn-1' and 'sn-2' positions were characterized. Principal component analysis demonstrated that PE, PC and to a lesser extent PS, but not PI, were grouped into three distinct clusters consisting of seven Antarctic yeasts '(Cryptococcus victoriae, Holtermanniella wattica, H. nyarrowii, Candida psychrophila, Leucosporidium fellii, Glaciozyma antarctica, Rhodotorula mucilaginosa)', four non-Antarctic yeasts '(C. albicans, Zygosaccharomyces rouxii, Cr. humicolus, R. mucilaginosa)' and three strains of 'Saccharomyces cerevisiae'.
Publication Type: Journal Article
Source of Publication: Journal of Microbiological Methods, v.105, p. 1-15
Publisher: Elsevier BV
Place of Publication: The Netherlands
ISSN: 1872-8359
0167-7012
Field of Research (FOR): 060504 Microbial Ecology
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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