Molecular cloning and nucleotide sequences of cDNAs encoding S-allele specific stylar RNases in a self-incompatible cultivar and its self-compatible mutant of Japanese pear, Pyrus pyrifolia Nakai.

Abstract excerpt

The genes encoding three RNases were cloned from the style of a self-incompatible cultivar, Nijisseiki (S2S4), and its self-compatible mutant, Osa-Nijisseiki (S2S4sm, sm means stylar part mutant), of Japanese pear. For Nijisseiki, cDNAs coding for two S-RNase (S2-RNase and S4-RNase) and an RNase unrelated to self-incompatibility (non-S-RNase) were cloned from the stylar cDNA library. The cDNAs coding for...

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