SGD Paper 
Velours G, et al. (2002) Dual cell wall/mitochondria localization of the 'SUN' family proteins. FEMS Microbiol Lett 207(2):165-72
Abstract: The Saccharomyces cerevisiae SUN family gene products, namely Sim1p, Uth1p, Nca3p and Sun4p, show a high degree of homology among themselves and are closely related to beta-glucosidase of Candida wickerhamii; however, these proteins do not bear such an activity. Dithiothreitol-treatment of intact cells induces the release of Uth1p, Sun4p and Sim1p from the cell wall. These highly glycosylated proteins are thus non-covalently bound to the cell wall. Two of them, Uth1p and Sun4p, have also been found in mitochondria. Sub-localization experiments show that Uth1p is inserted in the outer mitochondrial membrane and that Sun4p is preferentially a matrix protein. The physiological significance of this double localization is discussed in relation to the roles of these proteins in different cellular processes, namely mitochondrial biogenesis and cell septation.
| Status: Published | Type: Journal Article | PubMed ID: 11958935 |
Topics addressed in this paper
Number of different genes curated to this paper: 4
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