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Article

A mechanism of Bud1p GTPase action suggested by mutational analysis and immunolocalization.

Current biology : CB - 1 Apr 1996

Michelitch M, Chant J

Abstract excerpt

BACKGROUND: Yeast cells polarize, bud, and divide in either of two genetically programmed patterns: axial or bipolar. The Saccharomyces cerevisiae gene BUD1 (also known as RSR1) encodes a Ras-related GTPase critical for selection of a bud sites in these patterns. To distinguish between possible mechanisms of Bud1p action, we have examined the function and subcellular localization of Bud1p in a variety of mutant...

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PMID: 8723349
DOI: 10.1016/s0960-9822(02)00512-2

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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Research trail→

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A mechanism of Bud1p GTPase action suggested by mutational analysis and immunolocalization.PMID 8723349Read ↗

Two active states of the Ras-related Bud1/Rsr1 protein bind to different effectors to determine yeast cell polarity.Semantic proximity Read ↗

BUD2 encodes a GTPase-activating protein for Bud1/Rsr1 necessary for proper bud-site selection in yeast.Semantic proximity Read ↗

Localization of Bud2p, a GTPase-activating protein necessary for programming cell polarity in yeast to the presumptive bud site.Semantic proximity Read ↗

Yeast BUD5, encoding a putative GDP-GTP exchange factor, is necessary for bud site selection and interacts with bud formation gene BEM1.Semantic proximity Read ↗

The Rsr1/Bud1 GTPase interacts with itself and the Cdc42 GTPase during bud-site selection and polarity establishment in budding yeast.Semantic proximity Read ↗

Specific residues of the GDP/GTP exchange factor Bud5p are involved in establishment of the cell type-specific budding pattern in yeast.Semantic proximity Read ↗

The nucleotide exchange factor Cdc24p may be regulated by auto-inhibition.Semantic proximity Read ↗

A GDP/GTP exchange factor involved in linking a spatial landmark to cell polarity.Semantic proximity Read ↗

Localization of the Rsr1/Bud1 GTPase involved in selection of a proper growth site in yeast.Semantic proximity Read ↗

Interactions among Rax1p, Rax2p, Bud8p, and Bud9p in marking cortical sites for bipolar bud-site selection in yeast.Semantic proximity Read ↗

Asymmetrically localized Bud8p and Bud9p proteins control yeast cell polarity and development.Semantic proximity Read ↗

Aip3p/Bud6p, a yeast actin-interacting protein that is involved in morphogenesis and the selection of bipolar budding sites.Semantic proximity Read ↗

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