Sustained heterozygosity across a self-incompatibility locus in an inbred ascidian.

doi:10.1093/molbev/msu268

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Article

Sustained heterozygosity across a self-incompatibility locus in an inbred ascidian.

Molecular biology and evolution - 1 Jan 2015

Satou Yutaka, Hirayama Kazuko, Mita Kaoru, Fujie Manabu, Chiba Shota, Yoshida Reiko, Endo Toshinori, Sasakura Yasunori, Inaba Kazuo, Satoh Nori

Abstract excerpt

Because self-incompatibility loci are maintained heterozygous and recombination within self-incompatibility loci would be disadvantageous, self-incompatibility loci are thought to contribute to structural and functional differentiation of chromosomes. Although the hermaphrodite chordate, Ciona intestinalis, has two self-incompatibility genes, this incompatibility system is incomplete and self-fertilization occurs...

Topics

Animals
Animals, Inbred Strains
Chromosomes
Ciona intestinalis
Genetic Loci
Genetic Variation
Heterozygote
Self-Fertilization
Sequence Analysis, DNA

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PMID: 25234703
DOI: 10.1093/molbev/msu268

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