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Unequal segregation of SRK alleles at the S locus in Brassica cretica.

Publiceringsår: 2008
Språk: Engelska
Sidor: 223-228
Publikation/Tidskrift/Serie: Genetical research
Volym: 90
Nummer: 3
Dokumenttyp: Artikel
Förlag: Cambridge University Press


In the Brassicaceae plant family, which includes the Arabidopsis and Brassica genera, self-incompatibility (SI) is controlled by genes at the S locus. Using experimental crosses, we studied the pattern of inheritance of S-locus alleles in the wild species Brassica cretica. Four full-sib families were established and unequal segregation of alleles at the SRK SI gene was found in one family. The segregation distortion acted in favour of a recessive (class II) allele and was best explained by some form of gametic-level selection. Our findings are discussed in the light of theoretical predictions of differential accumulation of deleterious mutations among S-locus alleles.



  • Genetics
  • Ecology


  • Evolutionary Genetics
  • ISSN: 1469-5073

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