S-RNase-mediated self-incompatibility

Yan Wang, Xi Wang, Andrea L. Skirpan, Teh Hui Kao

Research output: Contribution to journalArticlepeer-review

41 Scopus citations


The Solanaceae, Rosaceae, and Scrophulariaceae families all possess an RNase-mediated self-incompatibility mechanism through which their pistils can recognize and reject self-pollen to prevent inbreeding. The highly polymorphic S-locus controls the self-incompatibility interaction, and the S-locus of the Solanaceae has been shown to be a multi-gene complex in excess of 1.3 Mb. To date, the function of only one of the S-locus genes, the S-RNase gene, has been determined. This article reviews the current status of the search for the pollen S-gene and the current models for how S-haplotype specific inhibition of pollen tubes can be accomplished by S-RNases.

Original languageEnglish (US)
Pages (from-to)115-122
Number of pages8
JournalJournal of experimental botany
Issue number380
StatePublished - Jan 1 2003

All Science Journal Classification (ASJC) codes

  • Physiology
  • Plant Science


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