The S haplotypes lacking SLG in the genome of Brassica rapa

G. Suzuki, T. Kakizaki, Y. Takada, H. Shiba, S. Takayama, A. Isogai, M. Watanabe

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)


Self-incompatibility (SI) discriminating self-and non-self pollen is regulated by S-locus genes in Brassica. In most of the S haplotypes, a highly polymorphic S-locus glycoprotein (SLG) gene is tightly linked to genes for the SI determinants, S-receptor kinase (SRK) and SPII, although the precise function of SLG in SI has not been clarified. In the present study, we performed DNA gel blot analysis for S32, S33, and S36 haplotypes of Brassica rapa showing normal SI phenotypes and concluded that there might be no SLG in their genome. RNA gel blot analysis of the SLG-less S haplotypes indicated the possible existence of eSRK transcripts in the stigma. These three S haplotypes are useful resources to discern the molecular mechanism of the SI reaction without SLG.

Original languageEnglish
Pages (from-to)911-915
Number of pages5
JournalPlant Cell Reports
Issue number9
Publication statusPublished - 2003 Jun 1
Externally publishedYes


  • Brassica rapa (syn. campestris)
  • S-locus glycoprotein
  • S-locus region
  • S-receptor kinase
  • Self-incompatibility

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Plant Science


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