Sterols of Glaucocystophytes

SUMMARY Glaucocystophytes are a group of evolutionarily important freshwater algae that have an almost intact cyanobacterium, referred to as a cyanelle, as the photosynthetic organelle. Because of this, they have been the subject of a large number of studies over the past few decades on how a cyanob...

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Published inPhycological research Vol. 59; no. 2; pp. 129 - 134
Main Authors Leblond, Jeffrey D., Timofte, Hermina Ilea, Roche, Shannon A., Porter, Nicole M.
Format Journal Article
LanguageEnglish
Published Melbourne, Australia Blackwell Publishing Asia 01.04.2011
Subjects
Algae
Cyanobacteria
Cyanophora
Cyanophora paradoxa
Glaucocystis
Glaucocystis nostochinearum
glaucocystophyte
lipid
sterol
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Summary:SUMMARY Glaucocystophytes are a group of evolutionarily important freshwater algae that have an almost intact cyanobacterium, referred to as a cyanelle, as the photosynthetic organelle. Because of this, they have been the subject of a large number of studies over the past few decades on how a cyanobacterium transitioned into a chloroplast. However, studies on their lipid composition have lagged behind those on other areas of glaucocystophyte cell biology. To this end, we have examined the sterol composition of Cyanophora paradoxa Korshikov and Glaucocystis nostochinearum Itzigsohn in order to identify sterols left unidentified in previous studies. We have found that two isolates of G. nostochinearum and one of C. paradoxa uniformly produced three sterols: 24‐methylcholest‐5‐en‐3β‐ol, 24‐ethylcholesta‐5,22E‐dien‐3β‐ol, and 24‐ethylcholest‐5‐en‐3β‐ol.
Bibliography:ark:/67375/WNG-HBFHWVDN-M
istex:47FC7EC739D27A8192724B4F6C6EFF220E952662
ArticleID:PRE610
Communicating editor: U. Karsten.
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:1322-0829
1440-1835
DOI:10.1111/j.1440-1835.2011.00610.x