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Article

Polymorphism at the self-incompatibility locus in Solanaceae predates speciation.

Proceedings of the National Academy of Sciences of the United States of America - 1 Dec 1990

Ioerger T R, Clark A G, Kao T H

Abstract excerpt

Sequences of 11 alleles of the gametophytic self-incompatibility locus (S locus) from three species of the Solanaceae family have recently been determined. Pairwise comparisons of these alleles reveal two unexpected observations: (i) amino acid sequence similarity can be as low as 40% within species and (ii) some interspecific similarities are higher than intraspecific similarities. The gene genealogy clearly...

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Identifiers

PMID: 2263623
DOI: 10.1073/pnas.87.24.9732
PMCID: PMC55247

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