Population Structure and Evolution after Speciation of the Hokkaido Salamander (Hynobius retardatus)

The Hokkaido salamander (Hynobius retardatus) is endemic to Hokkaido Island, Japan, and shows intriguing flexible phenotypic plasticity and regional morphological diversity. However, to date, allozymes and partial mitochondria DNA sequences have provided only an outline of its demographic histories...

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Published in:PloS one 2016-06, Vol.11 (6), p.e0156815-e0156815
Main Authors: Matsunami, Masatoshi, Igawa, Takeshi, Michimae, Hirofumi, Miura, Toru, Nishimura, Kinya
Format: Article
Language:English
Subjects:
Analysis
Animals
Biogeography
Biological evolution
Biology and Life Sciences
Caudata
Demographics
Demography
Deoxyribonucleic acid
DNA
DNA, Mitochondrial - genetics
Earth Sciences
Ecology and Environmental Sciences
Eggs
Environmental science
Evolution
Gene flow
Gene Flow - genetics
Gene sequencing
Genetic aspects
Genetic diversity
Genetic relationship
Genotype
Haplotypes
Hokkaido salamander
Hynobius
Hynobius retardatus
Isoenzymes
Japan
Laboratories
Microsatellites
Mitochondria
Mitochondrial DNA
Morphology
Natural history
Nucleotide sequence
Phenotypic plasticity
Phylogenetics
Phylogeny
Phylogeography
Population
Population genetics
Population structure
Populations
Regional development
Reptiles & amphibians
Research and Analysis Methods
Sequence Analysis, DNA - methods
Speciation
Studies
Urodela - classification
Urodela - genetics
Ursus arctos
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cited_by cdi_FETCH-LOGICAL-c835t-6e2f605ea7b7de1c4d95f624c46696a91422df8811cdce90f718d85cf9fb94c83
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creator Matsunami, Masatoshi
Igawa, Takeshi
Michimae, Hirofumi
Miura, Toru
Nishimura, Kinya
description The Hokkaido salamander (Hynobius retardatus) is endemic to Hokkaido Island, Japan, and shows intriguing flexible phenotypic plasticity and regional morphological diversity. However, to date, allozymes and partial mitochondria DNA sequences have provided only an outline of its demographic histories and the pattern of its genetic diversification. To understand the finer details of the population structure of this species and its evolution since speciation, we genotyped five regional populations by using 12 recently developed microsatellite polymorphic markers. We found a clear population structure with low gene flow among the five populations, but a close genetic relationship between the Teshio and Kitami populations. Our demographic analysis suggested that Teshio and Erimo had the largest effective population sizes among the five populations. These findings regarding the population structure and demography of H. retardatus improve our understanding of the faunal phylogeography on Hokkaido Island and also provide fundamental genetic information that will be useful for future studies.
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subjects Analysis
Animals
Biogeography
Biological evolution
Biology and Life Sciences
Caudata
Demographics
Demography
Deoxyribonucleic acid
DNA
DNA, Mitochondrial - genetics
Earth Sciences
Ecology and Environmental Sciences
Eggs
Environmental science
Evolution
Gene flow
Gene Flow - genetics
Gene sequencing
Genetic aspects
Genetic diversity
Genetic relationship
Genotype
Haplotypes
Hokkaido salamander
Hynobius
Hynobius retardatus
Isoenzymes
Japan
Laboratories
Microsatellites
Mitochondria
Mitochondrial DNA
Morphology
Natural history
Nucleotide sequence
Phenotypic plasticity
Phylogenetics
Phylogeny
Phylogeography
Population
Population genetics
Population structure
Populations
Regional development
Reptiles & amphibians
Research and Analysis Methods
Sequence Analysis, DNA - methods
Speciation
Studies
Urodela - classification
Urodela - genetics
Ursus arctos
title Population Structure and Evolution after Speciation of the Hokkaido Salamander (Hynobius retardatus)
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