Chloroplast DNA inversion polymorphism in populations of Abies and Tsuga

Yoshihiko Tsumura, Yoshihisa Suyama, Kensuke Yoshimura

Research output: Contribution to journalArticlepeer-review

36 Citations (Scopus)

Abstract

Polymorphism for a 42-kb chloroplast DNA inversion was detected in five species of Abies and two species of Tsuga based on a sample of 1,281 individuals and both Southern hybridization and polymerase chain reaction (PCR) analyses. Two haplotypes were observed in all populations and species. The 42-kb inversion is associated with a short inverted repeat that includes trnS, psaM, and trnG. The frequencies of the two haplotypes within species were very similar among the five species of Abies. This polymorphism has been maintained within populations and species in both Abies and Tsuga, probably because the mutation rate of the inversion is high. Haplotype frequencies had no geographical tendencies for any species except Abies mariesii, in which haplotype frequencies varied clinally, possibly as a result of rapid dissemination after the most recent glacial period and random genetic drift.

Original languageEnglish
Pages (from-to)1302-1312
Number of pages11
JournalMolecular biology and evolution
Volume17
Issue number9
DOIs
Publication statusPublished - 2000

Keywords

  • Chloroplast DNA
  • Conifers
  • Inversion
  • Inverted repeat
  • Mutation rate

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Molecular Biology
  • Genetics

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