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C R Acad Sci III. 1998 Jun;321(6):453-62.

First characterization of the gene RGD1 in the yeast Saccharomyces cerevisiae.

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Laboratoire de Biologie Moléculaire et de séquençage, UPR CNRS 9026, Bordeaux, France.


We identified the ORF YBR260c during systematic sequencing of one region of chromosome II of Saccharomyces cerevisiae. This ORF encodes a putative protein of 666 aa, of which the C-terminal part of the deduced amino acid sequence resembles human and yeast Rho/Rac GTPase activating proteins (GAP). An initial study is reported in the paper. This gene was expressed in haploid and diploid cells and was called RGD1 for related GAP domain 1. Inactivation of RGD1 was carried out and phenotypic analysis of the mutant strain revealed only a slight viability defect when cells grown in minimal medium were close to stationary phase. Northern and western analyses showed that the RGD1 transcript and the corresponding protein were still abundant in cells cultivated in YNB during the stationary phase. No functional link seems to exist with the highly conserved GTPase Cdc42 involved in cytoskeletal polarization and cell polarity.

[Indexed for MEDLINE]

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