Refugia of Potentilla matsumurae (Rosaceae) located at high mountains in the Japanese archipelago

Hajime Ikeda, Kei Senni, Noriyuki Fujii, Hiroaki Setoguchi

Research output: Contribution to journalArticle

49 Citations (Scopus)

Abstract

Molecular phylogeographic studies have revealed the genetic patterns and glacial-interglacial history of many plant and animal species. To infer the Quaternary history of alpine plants in the Japanese archipelago, which is poorly known, we investigated 203 individuals of Potentilla matsumurae and its varieties from 22 populations. We found 11 haplotypes based on approximately 1400 bp of two intergenetic spacers in chloroplast DNA (trnT-L and rpl20-rps20). The distribution of these haplotypes was geographically structured, which was supported by haplotype composition, principal component analysis, and unweighted pair group method with arithmetic mean (UPGMA), and NST (0.71) was significantly greater than GST (0.68). In addition to the positive correlation between genetic and geographic distance (Mantel test, r = 0.497, P <0.001), an abrupt genetic change was detected between mountains in central Honshu and the Tohoku region. This genetic boundary was further supported by analysis of molecular variance (amova), and high variation (54.0%) was explained by differences on either side of this boundary. Moreover, haplotypes in central Honshu were thought to have diverged, based on an outgroup comparison. These results suggest that mountains in central Honshu served as refugia during the Quaternary climatic oscillation, although the results could not reveal the history of most mountains in the Tohoku region and Hokkaido. Nevertheless, following floristic studies, our results indicate that alpine plants in Japan experienced a history different from that in Europe; i.e. they retreated into refugia during warm periods to avoid forest development, rather than glaciers.

Original languageEnglish
Pages (from-to)3731-3740
Number of pages10
JournalMolecular Ecology
Volume15
Issue number12
DOIs
Publication statusPublished - Oct 2006
Externally publishedYes

Fingerprint

Potentilla
Rosaceae
Chloroplast DNA
Glaciers
refugium
refuge habitats
Principal component analysis
Haplotypes
archipelago
Animals
mountains
Japan
haplotypes
History
history
alpine plants
Chemical analysis
mountain
Ice Cover
Principal Component Analysis

Keywords

  • Alpine plant
  • Climatic oscillation
  • Phylogeography
  • Rapid adaptation
  • Refugia
  • Serpentine endemic

ASJC Scopus subject areas

  • Ecology
  • Biochemistry, Genetics and Molecular Biology(all)
  • Biochemistry

Cite this

Refugia of Potentilla matsumurae (Rosaceae) located at high mountains in the Japanese archipelago. / Ikeda, Hajime; Senni, Kei; Fujii, Noriyuki; Setoguchi, Hiroaki.

In: Molecular Ecology, Vol. 15, No. 12, 10.2006, p. 3731-3740.

Research output: Contribution to journalArticle

Ikeda, Hajime ; Senni, Kei ; Fujii, Noriyuki ; Setoguchi, Hiroaki. / Refugia of Potentilla matsumurae (Rosaceae) located at high mountains in the Japanese archipelago. In: Molecular Ecology. 2006 ; Vol. 15, No. 12. pp. 3731-3740.
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