Genetic basis of proteome variation in yeast

Foss, Eric J, Radulovic, Dragan, Shaffer, Scott A, Ruderfer, Douglas M, Bedalov, Antonio, Goodlett, David R and Kruglyak, Leonid 2007. Genetic basis of proteome variation in yeast. Nature Genetics 39 (11) , pp. 1369-1375. 10.1038/ng.2007.22

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Abstract

Proper regulation of protein levels is essential for health, and abnormal levels of proteins are hallmarks of many diseases. A number of studies have recently shown that messenger RNA levels vary among individuals of a species and that genetic linkage analysis can be used to identify quantitative trait loci that influence these levels. By contrast, little is known about the genetic basis of variation in protein levels in genetically diverse populations, in large part because techniques for large-scale measurements of protein abundance lag far behind those for measuring transcript abundance. Here we describe a label-free, mass spectrometry-based approach to measuring protein levels in total unfractionated cellular proteins, and we apply this approach to elucidate the genetic basis of variation in protein abundance in a cross between two diverse strains of yeast. Loci that influenced protein abundance differed from those that influenced transcript levels, emphasizing the importance of direct analysis of the proteome.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Medicine
Subjects:	R Medicine > R Medicine (General)
Publisher:	Nature Publishing Group
ISSN:	1061-4036
Last Modified:	02 Dec 2015 09:58
URI:	https://orca.cardiff.ac.uk/id/eprint/82943

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