Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
14
pubmed:dateCreated
1980-9-23
pubmed:abstractText
Phospholipid biosynthesis in a mutant of Saccharomyces cerevisiae (cho1) which lacks phosphatidylserine (Atkinson, K. D., Jensen, B., Storm, E., Kolat, A. I., Henry, S. A. & Fogel, S. (1980) J. Bacteriol. 141, 558-564) has been examined. The ability of cells of this strain to synthesize phosphatidylserine in vitro in a cell-free system is reduced at least 10-fold, whereas other phospholipid-synthesizing activities are present at normal or slightly elevated levels. While all phospholipid biosynthetic activities, except phosphatidylserine synthesis, can be demonstrated in vitro in the cho1 mutant, the entire pattern of phospholipid synthesis, accumulation, and turnover in vivo is distorted. Phosphatidylinositol synthesis is elevated, as is phosphatidylcholine synthesis. In addition, the turnover of phosphatidylcholine is more rapid in the cho1 mutant. The cho1 mutant appears to use almost exclusively the alternative pathway described by Kennedy and Weiss (1956) J. Biol. Chem. 222, 193-214) for the production of phosphatidylethanolamine and phosphatidylcholine, bypassing phosphatidylserine as an intermediate.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Jul
pubmed:issn
0021-9258
pubmed:author
pubmed:issnType
Print
pubmed:day
25
pubmed:volume
255
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
6653-61
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1980
pubmed:articleTitle
Yeast mutant defective in phosphatidylserine synthesis.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S.