publication . Other literature type . Article . 2015

Cytotype distribution patterns, ecological differentiation, and genetic structure in a diploid–tetraploid contact zone of Cardamine amara

Name: Cytotype distribution patterns, ecological differentiation, and genetic structure in a diploid–tetraploid contact zone of Cardamine amara
Keywords: Plant Science, Genetics, Ecology, Evolution, Behavior and Systematics

Dušan Senko; Judita Zozomová-Lihová; Matúš Kempa; Iva Malánová-Krásná; Karol Marhold; Karol Marhold; Petr Vít; Petr Vít; Tomáš Urfus; Tomáš Urfus; ...

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Open Access

Published: 01 Aug 2015

Publisher: Wiley

Summary

Abstract

KEY RESULTS: A parapatric distribution of the cytotypes with a relatively wide (over 100 km in some regions) secondary contact zone was identifi ed. Mixedploidy populations, documented for the fi rst time in this species, as well as triploid individuals were found along the diploid–tetraploid borderline. Diff erent climatic requirements of the two main cytotypes were revealed, mirrored in their altitudinal separation. The tetraploids were genetically diff erentiated from both the diploids and the modeled, in silico autotetraploid genotypes, in accordance with the assumed polyploid origin and spread linked to past glaciations, and largely independent evolution in...

doi: 10.3732/ajb.1500052

Subjects

Medical Subject Headings: fungifood and beverages

free text keywords: Plant Science, Genetics, Ecology, Evolution, Behavior and Systematics, Cardamine, biology.organism_classification, biology, Biological dispersal, Genetic structure, Parapatric speciation, Genetic variation, Allopatric speciation, Ecology, Cardamine amara, Polyploid

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