Landscape genetics of alpine-snowbed plants: comparisons along geographic and snowmelt gradients

Heredity
A S Hirao, G Kudo

Abstract

The genetic structure of three snowbed-herb species (Peucedanum multivittatum, Veronica stelleri, and Gentiana nipponica) was analyzed using allozymes across nine populations arranged as a matrix of three snowmelt gradients x three geographic locations within 3 km in the Taisetsu Mountains, northern Japan. Phenologically asynchronous populations are packed within a local area in alpine snowbeds, because flowering season of alpine plants depends strongly on the timing of snowmelt. Moderate genetic differentiation was detected among local populations in every species (FST=0.03-0.07). There was a significant correlation between the geographic distance and genetic distance in the P. multivittatum populations, but not in the V. stelleri and G. nipponica populations. On the other hand, a significant correlation between the phenological distance caused by snowmelt timing and genetic distance was detected in the V. stelleri and G. nipponica populations, but not in the P. multivittatum populations. The snowmelt gradient or geographic separation influenced hierarchical genetic structure of these species moderately (FRT <0.04). Restriction of gene flow due to phenological separation and possible differential selection along the snowmelt g...Continue Reading

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Citations

Nov 3, 2006·Heredity·A StorferL P Waits
Oct 4, 2006·Proceedings. Biological Sciences·Mollie K Manier, Stevan J Arnold
Jun 4, 2011·Genetics and Molecular Biology·Luís Gustavo da Conceição Galego, Claudia Marcia Aparecida Carareto
Mar 8, 2014·Mycology·Daniel N AnstettMarie-Josée Fortin
Oct 14, 2010·Trends in Plant Science·Rolf HoldereggerStéphanie Manel
Jun 12, 2012·Molecular Ecology·Stéphanie ManelUNKNOWN IntraBioDiv Consortium
Aug 21, 2010·Molecular Ecology·Stéphanie ManelR Holderegger
Aug 21, 2010·Molecular Ecology·Andrew StorferLisette P Waits
Oct 12, 2013·Evolution; International Journal of Organic Evolution·Jason P SextonAry A Hoffmann
Feb 12, 2009·Annals of Botany·Sean G ByarsAry A Hoffmann
Dec 13, 2018·Frontiers in Plant Science·Javier Morente-LópezJosé María Iriondo

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