The SLGs corresponding to the same S24-haplotype are perfectly conserved in three different self-incompatible Brassica campestris L.

M. Matsushita, M. Watanabe, S. Yamakawa, S. Takayama, A. Isogai, K. Hinata

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We have identified three strains of the same S24-haplotype in self- incompatible B. campestris L. Two of them, S-12j and 1-1j, have been derived from Japanese populations and one, 27-1t, from Turkish one. The cDNA clones of SLG24 (S24-locus glycoprotein), which linked to the S-locus, were isolated from each strain, and sequenced. Each clone isolated from S-12j, 1- 1j and 27-1t, was designated as SLG24 (S-12j), SLG24 (1-1j) and SLG24 (27-1t), respectively. Their nucleotide sequences were completely identical in coding region, 5' non-coding region, and 3' non-coding region, though the position of the polyadenylation site was slightly different among the cDNA clones. This result suggests that the origin of S24-haplotype in these three strains might be common, and that the nucleotide sequences of SLG24 of the same S24-haplotype are completely conserved among different populations. The high conservation of the SLG24 nucleotide sequences is probably essential for the recognition of self or non-self of self- incompatibility in this S24-haplotype.

Original languageEnglish
Pages (from-to)255-258
Number of pages4
JournalGenes and Genetic Systems
Issue number4
Publication statusPublished - 1996

ASJC Scopus subject areas

  • Molecular Biology
  • Genetics


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