High mountains of the Japanese archipelago as refugia for arctic-alpine plants: Phylogeography of Loiseleuria procumbens (L.) Desvaux (Ericaceae)

Hajime Ikeda, Kei Senni, Noriyuki Fujii, Hiroaki Setoguchi

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

According to previous phylogeographic studies, high mountains at low latitudes are important areas for the study of the evolutionary history of arctic-alpine plants in surviving the Pleistocene climatic oscillations. To evaluate this hypothesis, we elucidated the genetic structure of the arctic-alpine plant, Loiseleuria procumbens, in the Japanese archipelago, which corresponds to one of the southernmost limits of its distribution, using 152 individuals from 17 populations that covered the entire distribution of the Japanese archipelago and Sakhalin, in addition to samples from Sweden. Based on 854 bp of chloroplast DNA, we detected eight haplotypes. Along with haplotype distribution, strong genetic differentiation between populations in central and northern Japan was elucidated by a neighbour-joining tree (100%) and spatial analysis of molecular variance (79%), which is consistent with other alpine plants in Japan, regardless of the species' range. In addition, the southernmost populations from northern Japan showed specific genetic structure, although the remaining areas of northern Japan and Sakhalin harboured an homogenous genetic structure. Our results suggest that the populations in central Japan persisted for a long time during the Pleistocene climatic oscillation and that genetic divergence occurred in situ, supporting our hypothesis in conjunction with a previous study of another arctic-alpine plant, Diapensia lapponica subsp. obovata.

Original languageEnglish
Pages (from-to)403-412
Number of pages10
JournalBiological Journal of the Linnean Society
Volume97
Issue number2
DOIs
Publication statusPublished - Jun 2009
Externally publishedYes

Fingerprint

alpine plants
Ericaceae
phylogeography
refugium
refuge habitats
archipelago
Arctic region
mountains
Japan
genetic structure
oscillation
Pleistocene
haplotypes
genetic variation
spatial analysis
chloroplast
genetic differentiation
chloroplast DNA
divergence
Sweden

Keywords

  • Alpine plants
  • CpDNA
  • Pleistocene climatic oscillations
  • SAMOVA

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics

Cite this

High mountains of the Japanese archipelago as refugia for arctic-alpine plants : Phylogeography of Loiseleuria procumbens (L.) Desvaux (Ericaceae). / Ikeda, Hajime; Senni, Kei; Fujii, Noriyuki; Setoguchi, Hiroaki.

In: Biological Journal of the Linnean Society, Vol. 97, No. 2, 06.2009, p. 403-412.

Research output: Contribution to journalArticle

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