[Development of new SSR markers from EST of SSH cDNA libraries on rose fragrance]

Yi Chuan. 2009 Sep;31(9):962-6. doi: 10.3724/sp.j.1005.2009.00962.
[Article in Chinese]

Abstract

The new SSR markers of rose related fragrance were developed based on the SSH cDNA libraries of rose floral scent mutant. In this study, 10 EST-SSRs (2.6%) from 391 ESTs in the libraries were identified. Six EST-SSRs primers were designed to sequence flanking SSRs. The primer pairs designed were screened on the wild-type Jinyindao, which has flowers full of pleasant scent, and the mutant-type Wangriqinghuai without perceivable floral scent. Five primer pairs were amplified effectively in Jinyindao and Wangriqinghuai, and 3 were polymorphic between Jinyindao and Wangriqinghuai. Eighteen rose cultivars including fragrant roses and nonfragrant roses were identified by the five prime pairs. These results proved that EST-SSR markers are effective markers to identify the polymorphism of the rose.

MeSH terms

  • Expressed Sequence Tags*
  • Gene Library*
  • Genetic Markers
  • Odorants*
  • Rosa / genetics*
  • Tandem Repeat Sequences / genetics*

Substances

  • Genetic Markers