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ACTA HORTICULTURAE SINICA ›› 2009, Vol. 36 ›› Issue (4): 539-544.

• 观赏植物 • Previous Articles     Next Articles

Isolation and Functional Analysis of a S13-b-locus Cysteine-rich Gene of Ornamental Kale (Brassica oleracea var. acephala)

LAN Xing-guo, YANG Jia, and LI Yu-hua*   

  1. (College of L ife Sciences, N ortheast Forestry University, Harbin 150040, China)
  • Received:2008-10-27 Revised:2009-03-19 Online:2009-04-25 Published:2009-04-25
  • Contact: LI Yu-hua

Abstract: The S13-b-locus cysteine-rich gene (SCR13-b) was isolated from pollen of ornamental kale (Brassica oleracea var. acephala) S132b homozygotes, GenBank accession number is EF577028. The SCR13-b cDNA sequence had an ORF of 237 bp, encoding a 782aa p rotein. The genomic SCR13-b sequence contained a 758 bp intron with boundary sequences of GT at 5′site and AG at 3′site, which comp lied with the typical‘GT-AG rule’in plants. Genomic DNA blot analysis showed that SCR13-b was a single copy gene in S13-b S13-b lines. Pollination bioassay showed that prokaryotic expressed recombinant SCR13-b can induce SI response and inhibit cross pollen germination and growth.

Key words: Brassica oleracea var. acephala, self-incompatibility, prokaryotic expression

CLC Number: