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Biochem Biophys Res Commun. 2004 Jul 2;319(3):840-6.

The yeast genes, ARL1 and CCZ1, interact to control membrane traffic and ion homeostasis.

Author information

1
Department of Biology, Georgetown University, Washington, DC 20057, USA.

Abstract

The yeast ARL1 gene, encoding a guanine-nucleotide binding protein of the Arf-like family, exhibits a synthetic genetic interaction with CCZ1. An arl1 Delta ccz1 Delta double mutant was viable but grew slowly, was more sensitive to caffeine, Ca(2+), Zn(2+), and hygromycin B than either single mutant, and had a more severe vacuolar protein sorting phenotype. Overexpression of ARL1 did not suppress ccz1 Delta mutant phenotypes, nor did overexpression of CCZ1 suppress arl1 Delta mutant phenotypes. We conclude that ARL1 and CCZ1 independently contribute to both ion homeostasis and protein sorting.

PMID:
15184059
DOI:
10.1016/j.bbrc.2004.05.063
[Indexed for MEDLINE]

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