| Abstract Detail
Breeding and Genetics Igic, Boris [1]. Frequency and Distribution of Self-incompatibility in Solanaceae. SELF-INCOMPATIBILITY (SI) is a genetic mechanism employed for self-recognition and rejection of pollen. The RNase-based SI mechanism that operates in many Solanaceae species is well-characterized. Our knowledge of the molecular basis of this system, and of the history of allelic lineages at the SI locus, provides unequivocal evidence that it is the ancestral state for the entire family, and that the transition from SI to self-compatibility (SC) is a major feature of evolution in the family. Here, I summarize our progress in the evolutionary studies of SI, its frequency, phylogenetic distribution, and correlates in Solanaceae, and discuss the implications.
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1 - Cornell University, Plant Breeding and Genetics, 252 Emerson Hall, Ithaca, NY, 14850, USA
Keywords:
self-incompatibility
mating systems
evolution.
Session: PAA07a-4
Location: Hall of Ideas Room G/Monona Terrace
Date: Monday, July 24th, 2006
Time: 2:15 PM
Abstract ID:60 |
