Linked Life Data

14550535

Source:http://linkedlifedata.com/resource/pubmed/id/14550535

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pubmed-article:14550535pubmed:dateCreated2003-10-10lld:pubmed
pubmed-article:14550535pubmed:abstractTextMany cells store neutral lipids, as triacylglycerol and sterol esters, in droplets. PAT-domain proteins form a conserved family of proteins that are localized at the surface of neutral lipid droplets. Two mammalian members of this family, Perilipin and adipose differentiation-related protein, are involved in lipid storage and regulate lipolysis. Here, we describe the Drosophila PAT-family member Lsd2. We showed that Lsd2 is predominantly expressed in tissues engaged in high levels of lipid metabolism, the fat body and the germ line of females. Ultrastructural analysis in the germ line showed that Lsd2 localizes to the surface of lipid droplets. We have generated an Lsd2 mutant and described its phenotype. Mutant adults have a reduced level of neutral lipid content compared to wild type, showing that Lsd2 is required for normal lipid storage. In addition, ovaries from Lsd2 mutant females exhibit an abnormal pattern of accumulation of neutral lipids from mid-oogenesis, which results in reduced deposition of lipids in the egg. Consistent with its expression in the female germ line, we showed that Lsd2 is a maternal effect gene that is required for normal embryogenesis. This work demonstrates that Lsd2 has an evolutionarily conserved function in lipid metabolism and establishes Drosophila melanogaster as a new in vivo model for studies on the PAT-family of proteins.lld:pubmed
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pubmed-article:14550535pubmed:authorpubmed-author:TeixeiraLuísLlld:pubmed
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pubmed-article:14550535pubmed:pagination1071-81lld:pubmed
pubmed-article:14550535pubmed:dateRevised2011-11-17lld:pubmed
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pubmed-article:14550535pubmed:year2003lld:pubmed
pubmed-article:14550535pubmed:articleTitleDrosophila Perilipin/ADRP homologue Lsd2 regulates lipid metabolism.lld:pubmed
pubmed-article:14550535pubmed:affiliationDevelopmental Biology Programme, European Molecular Biology Laboratory, Meyerhofstr. 1, 69117 Heidelberg, Germany. luis.teixeira@embl.delld:pubmed
pubmed-article:14550535pubmed:publicationTypeJournal Articlelld:pubmed
pubmed-article:14550535pubmed:publicationTypeResearch Support, Non-U.S. Gov'tlld:pubmed
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