Article
Comparative analysis of the self-incompatibility (S-) locus region of Prunus mume: identification of a pollen-expressed F-box gene with allelic diversity.
Genes to cells : devoted to molecular & cellular mechanisms - 1 Mar 2003
Entani Tetsuyuki, Iwano Megumi, Shiba Hiroshi, Che Fang-Sik, Isogai Akira, Takayama Seiji
Abstract excerpt
BACKGROUND: Self-incompatibility (SI) in the Solanaceae, Rosaceae and Scrophulariaceae is gametophytically controlled by a single polymorphic locus, termed the S-locus. To date, the only known S-locus product is a polymorphic ribonuclease, termed S-RNase, which is secreted by stylar tissue and thought to act as a cytotoxin that degrades the RNA of incompatible pollen tubes. However, understanding how S-RNase...
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