S I Wright
Affiliation: University of Edinburgh
- Rates and patterns of molecular evolution in inbred and outbred ArabidopsisStephen I Wright
Institute of Cell, Animal, and Population Biology, Ashworth Laboratories, University of Edinburgh
Mol Biol Evol 19:1407-20. 2002..2-0.6 per generation...
- Genome evolution: sex and the transposable elementS Wright
Institute of Cell, Animal and Population Biology, University of Edinburgh, King s Buildings, EH9 3JT, Edinburgh, UK
Curr Biol 11:R296-9. 2001..This is supported by recent studies which indicate that asexual genomes may be structured very differently to those of sexual species...
- Population dynamics of an Ac-like transposable element in self- and cross-pollinating arabidopsisS I Wright
Department of Biology, McGill University, Montreal, Quebec H3A 1B1, Canada
Genetics 158:1279-88. 2001..lyrata than A. thaliana, which is consistent with a reduction in transposition rate, reduction in effective population size, or reduced efficacy of natural selection against element insertions in selfing populations...
- Subdivision and haplotype structure in natural populations of Arabidopsis lyrataStephen I Wright
Institute of Cell, Animal and Population Biology, University of Edinburgh, King s Buildings, Edinburgh, EH9 3JT, UK
Mol Ecol 12:1247-63. 2003..Complex population histories in both A. thaliana and A. lyrata complicate theoretical predictions and empirical tests of the effects of inbreeding on polymorphism and molecular evolution...
- Effects of recombination rate and gene density on transposable element distributions in Arabidopsis thalianaStephen I Wright
Institute of Cell, Animal and Population Biology, University of Edinburgh, Ashworth Laboratories, Edinburgh, Scotland EH9 3JT, UK
Genome Res 13:1897-903. 2003..thaliana. High rates of self-fertilization may reduce the importance of recombination rate in genome structuring in inbreeding organisms such as A. thaliana and Caenorhabditis elegans...
- Breeding systems and genome evolutionD Charlesworth
Institute of Cell, Animal and Population Biology, University of Edinburgh, Ashworth Laboratory, King s Buildings, West Mains Road, Edinburgh EH9 3JT, UK
Curr Opin Genet Dev 11:685-90. 2001..Theoretical models predict how such populations are expected to differ from outcrossed populations, and DNA sequence data are being collected and used to test the predictions...
- Recombination and base composition: the case of the highly self-fertilizing plant Arabidopsis thalianaG Marais
Institute of Cell, Animal and Population Biology, University of Edinburgh, EH9 3JT Edinburgh, UK
Genome Biol 5:R45. 2004....
- Recombination: an underappreciated factor in the evolution of plant genomesBrandon S Gaut
Department of Ecology and Evolutionary Biology, University of California Irvine, Irvine, California, USA
Nat Rev Genet 8:77-84. 2007..Much additional study of recombination in plants is needed to investigate these ideas further...
- Effective population size and tests of neutrality at cytoplasmic genes in ArabidopsisStephen I Wright
Department of Biology, York University, 4700 Keele Street, Toronto, Ontario, Canada
Genet Res (Camb) 90:119-28. 2008....
- Selection on amino acid substitutions in ArabidopsisJohn Paul Foxe
Department of Biology, York University, Toronto, Ontario, Canada
Mol Biol Evol 25:1375-83. 2008..Highly expressed genes show a reduced ratio of amino acid to synonymous change for both polymorphism and fixed differences, suggesting a general pattern of stronger purifying selection on high-expression proteins...
- Contrasting patterns of transposable-element insertion polymorphism and nucleotide diversity in autotetraploid and allotetraploid Arabidopsis speciesKhaled M Hazzouri
Department of Biology, York University, Toronto, Ontario M3J 1P3, Canada
Genetics 179:581-92. 2008..arenosa than in related diploid taxa but a near complete population bottleneck associated with the origins of A. suecica...
- High DNA sequence diversity in pericentromeric genes of the plant Arabidopsis lyrataAkira Kawabe
Institute of Evolutionary Biology, University of Edinburgh, Edinburgh EH9 3JT, United Kingdom
Genetics 179:985-95. 2008..thaliana. Our data rule out balancing selection in the pericentromeric regions, suggesting that hitchhiking is more strongly reducing diversity in the chromosome arms than the pericentromere regions...
- Neutral evolution of synonymous base composition in the BrassicaceaeStephen I Wright
J Mol Evol 64:136-41. 2007..The results suggest that composition evolution is caused by a change in mutation bias or biased gene conversion, rather than by a reduction in the efficacy of natural selection in selfing Arabidopsis...
- Selective constraints on codon usage of nuclear genes from Arabidopsis thalianaBrian R Morton
Department of Biological Science, Barnard College, Columbia University
Mol Biol Evol 24:122-9. 2007..Overall, the study supports previous suggestions that selection plays a significant role in determining codon usage of nuclear genes in A. thaliana...
- Testing for effects of recombination rate on nucleotide diversity in natural populations of Arabidopsis lyrataStephen I Wright
Department of Biology, York University, Toronto, Ontario, Canada
Genetics 174:1421-30. 2006..lyrata populations is not related to recombination rate, including genic recombination hotspots, and low gene density in the low recombination rate region...
- The effects of artificial selection on the maize genomeStephen I Wright
Department of Ecology and Evolutionary Biology, University of California, Irvine, CA 92697, USA
Science 308:1310-4. 2005..If we assume that our sample of genes is representative, approximately 1200 genes throughout the maize genome have been affected by artificial selection...
- Molecular population genetics and the search for adaptive evolution in plantsStephen I Wright
Department of Ecology and Evolutionary Biology, University of California, Irvine, USA
Mol Biol Evol 22:506-19. 2005..Eventually, candidate loci should be confirmed by explicit consideration of phenotypic effects...
- The HKA test revisited: a maximum-likelihood-ratio test of the standard neutral modelStephen I Wright
Institute of Evolutionary Biology, School of Biological Sciences, University of Edinburgh, Ashworth Laboratories, Edinburgh EH9 3JT, United Kingdom
Genetics 168:1071-6. 2004..The method is also applied to polymorphism data in maize, providing support for the hypothesis of directional selection on genes in the starch pathway...
- Effects of gene expression on molecular evolution in Arabidopsis thaliana and Arabidopsis lyrataStephen I Wright
ICAPB, University of Edinburgh Ashworth Labs, Edinburgh, UK
Mol Biol Evol 21:1719-26. 2004....
- Patterns of polymorphism and demographic history in natural populations of Arabidopsis lyrataJeffrey Ross-Ibarra
Department of Ecology and Evolutionary Biology, University of California Irvine, Irvine, California, United States of America
PLoS ONE 3:e2411. 2008..Arabidopsis lyrata, a self-incompatible, perennial species with a circumpolar distribution, is an excellent model system in which to study the roles of demographic history and local adaptation in patterning genetic variation...
- Genomic screening for artificial selection during domestication and improvement in maizeMasanori Yamasaki
Division of Plant Sciences, University of Missouri, Columbia, Missouri 65211, USA
Ann Bot 100:967-73. 2007..Artificial selection during domestication and crop improvement involved selection of specific alleles at genes controlling key morphological and agronomic traits, resulting in reduced genetic diversity relative to unselected genes...