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Reference - PMID:16857197 - The fission yeast Map4 protein is a novel adhesin required for mating.

Reference summary

PubMed ID
PMID:16857197
Title
The fission yeast Map4 protein is a novel adhesin required for mating.
Authors
Sharifmoghadam MR, Bustos-Sanmamed P, Valdivieso MH
Citation
FEBS Lett 2006 Aug 07;580(18):4457-62
Publication year
2006
Abstract
Cell adhesion is required for many cellular processes. In fungi, cell-cell contact during mating, flocculation or virulence is mediated by adhesins, which typically are glycosyl phosphatidyl inositol (GPI)-modified cell wall glycoproteins. Proteins with internal repeats (PIR) are surface proteins involved in the response to stress. In Schizosaccharomyces pombe no adhesins or PIR proteins have been described. Here we study the S. pombe Map4p, which defines a new class of surface protein that is not GPI-modified and has a serine/threonine rich domain and internal repeats that differ from those present in PIR proteins. Map4p is a mating type-specific adhesin required for mating in h(+) cells and enhances cell adhesion when overexpressed.

Annotation

Comment

PBO:0004058 - required in h+ but not in h-cells

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GO biological process

GO:0000752 - agglutination involved in conjugation with cellular fusion

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GO cellular component

GO:0070263 - external side of fungal-type cell wall

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GO:0043332 - mating projection tip

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Single locus phenotype

FYPO:0003709 - decreased agglutination

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Genotypes:

FYPO:0002521 - decreased frequency of conjugation with h- cells

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FYPO:0000708 - decreased mating efficiency

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FYPO:0000584 - decreased sporulation frequency

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FYPO:0001871 - increased agglutination

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FYPO:0001867 - increased shmoo formation

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Genotypes:

FYPO:0003708 - normal frequency of conjugation with h+ cells

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Genotypes:

FYPO:0000022 - shmoo with long tip

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Warnings

PBO:0109348 - 9 [SWVTETVTSGSVGFTTTIATPIGTTAGTVLVDIPTP-consensus] repeats reported (5 copies in reference)

Genes:

PBO:0000129 - sequence error in genomic data

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