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Reference - PMID:10864871 - Requirement of Mis6 centromere connector for localizing a CENP-A-like protein in fission yeast.

Reference summary

PubMed ID
PMID:10864871
Title
Requirement of Mis6 centromere connector for localizing a CENP-A-like protein in fission yeast.
Authors
Takahashi K, Chen ES, Yanagida M
Citation
Science 2000 Jun 23;288(5474):2215-9
Publication year
2000
Abstract
Mammalian kinetochores contain the centromere-specific histone H3 variant CENP-A, whose incorporation into limited chromosomal regions may be important for centromere function and chromosome segregation during mitosis. However, regulation of CENP-A localization and its role have not been clear. Here we report that the fission yeast homolog SpCENP-A is essential for establishing centromere chromatin associated with equal chromosome segregation. SpCENP-A binding to the nonrepetitious inner centromeres depended on Mis6, an essential centromere connector protein acting during G1-S phase of the cell cycle. Mis6 is likely required for recruiting SpCENP-A to form proper connection of sister centromeres.

Annotation

GO biological process

GO:0034080 - CENP-A containing chromatin assembly

Genes:

GO cellular component

GO:0000775 - chromosome, centromeric region

Genes:

GO:0005634 - nucleus

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GO molecular function

GO:0005515 - protein binding

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Qualitative gene expression

PomGeneEx:0000011 - RNA level increased

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Single locus phenotype

FYPO:0004308 - abnormal CENP-A containing chromatin organization

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Genotypes:

FYPO:0001268 - abnormal protein localization to kinetochore during vegetative growth

Genes:

Genotypes:

FYPO:0000284 - large and small daughter nuclei, with unequal mitotic sister chromatid segregation

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Genotypes:

FYPO:0004310 - normal duration of mitotic M phase

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Genotypes:

FYPO:0004301 - normal mitotic sister chromatid separation

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Genotypes:

FYPO:0002901 - normal protein localization to kinetochore during vegetative growth

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Genotypes: