Mitochondrial DNA diversity, population structure, and gender association in the gynodioecious plant Silene vulgaris

Evolution; International Journal of Organic Evolution
Matthew S Olson, David E McCauley

Abstract

A highly variable mitochondrial DNA (mtDNA) restriction fragment length polymorphism (RFLP) locus is used to assess the population structure of mitochondrial genomes in the gynodioecious plant Silene vulgaris at two spatial scales. Thirteen mtDNA haplotypes were identified within 250 individuals from 18 populations in a 20-km diameter region of western Virginia. The population structure of these mtDNA haplotypes was estimated as thetaST = 0.574 (+/- 0.066 SE) and, surprisingly, genetic differentiation among populations was negatively correlated with geographic distance (Mantel r = -0.246, P < 0.002). Additionally, mtDNA haplotypes were spatially clumped at the scale of meters within one population. Gender in S. vulgaris is determined by an interaction between autosomal male fertility restorers and cytoplasmic male sterility (CMS) factors, and seed fitness is affected by an interaction between gender and population sex ratio; thus, selection acting on gender could influence the distribution of mtDNA RFLP haplotypes. The sex ratio (females:hermaphrodites) varied among mtDNA haplotypes across the entire metapopulation, possibly because the haplotypes were in linkage disequilibrium with different CMS factors. The gender associated ...Continue Reading

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Citations

Aug 15, 2002·Proceedings of the National Academy of Sciences of the United States of America·Par K Ingvarsson, Douglas R Taylor
Aug 23, 2002·Proceedings of the National Academy of Sciences of the United States of America·Thomas Städler, Lynda F Delph
Mar 3, 2012·PloS One·Helena StorchovaMatthew S Olson
Sep 19, 2006·Genetics·Gary J Houliston, Matthew S Olson
Jan 2, 2007·Current Opinion in Biotechnology·Georges Pelletier, Françoise Budar
Feb 19, 2009·Evolution; International Journal of Organic Evolution·Mathilde DufayPascal Touzet
Feb 4, 2009·Evolution; International Journal of Organic Evolution·Keiko Miyake, Matthew S Olson
Mar 14, 2007·Evolution; International Journal of Organic Evolution·Douglas R Taylor, Stephen R Keller
Mar 5, 2008·Evolution; International Journal of Organic Evolution·Andrea L Case, John H Willis
Jan 29, 2008·Evolution; International Journal of Organic Evolution·David E McCauley, Jennifer R Ellis
Sep 17, 2013·Evolution; International Journal of Organic Evolution·Antoine Dornier, Mathilde Dufay
Mar 30, 2010·Molecular Ecology·Isabelle DE CauwerJean-François Arnaud
Oct 3, 2009·Evolution; International Journal of Organic Evolution·Mathilde Dufay, John R Pannell
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May 18, 2019·Molecular Ecology·Roberta BergeroDeborah Charlesworth
Nov 27, 2008·Molecular Biology and Evolution·Stephanie A PearlDavid E McCauley

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