Use of Domain-Swapping to Identify Candidate Amino Acids Involved in Differential Interactions between Two Allelic Variants of Type-1 S-Locus F-Box Protein and S3-RNase in Petunia inflata.

Abstract excerpt

Petunia inflata possesses a self-incompatibility (SI) mechanism, which involves S-RNase and multiple S-locus F-box (SLF) genes at the polymorphic S-locus. For a given S-haplotype, each SLF is thought to interact with some of its non-self S-RNases, but not with its self S-RNase. In this work, we studied an allelic pair of SLF1, S2-SLF1 and S3-SLF1, which differ in 44 amino acids and show differential interactions...

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