Genetics. Published Articles Ahead of Print: February 19, 2006, Copyright © 2006
doi:10.1534/genetics.105.051938


A more recent version of this article appeared on April 1, 2006.

NOTE

Trans-specificity at loci near the self-incompatibility loci in Arabidopsis

Deborah Charlesworth 1*, Esther Kamau 1, Jenny Hagenblad 2 and Chunlao Tang 3

1 University of Edinburgh
2 Linköping University, Sweden
3 University of Southern California

* To whom correspondence should be addressed. E-mail: deborah.charlesworth{at}ed.ac.uk.

Submitted on October 3, 2005
Revised on November 11, 2005
Accepted on 1 February 2006


Abstract

We compared allele sequences of two loci near the Arabidopsis lyrata self-incompatibility (S) loci with sequences of A. thaliana orthologues and found high numbers of shared polymorphisms, even excluding singletons and CpG-prone sites. This suggests maintenance of entire S-haplotypes for long evolutionary times, and extreme recombination suppression in the region.

Key Words: Arabidopsis, self-incompatibility, trans-specific polymorphism




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