Development and characterization of EST-SSR markers for Carex angustisquama (Cyperaceae), an extremophyte in solfatara fields

Koki Nagasawa, Hiroaki Setoguchi, Masayuki Maki, Hayato Goto, Keitaro Fukushima, Yuji Isagi, Shota Sakaguchi

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Premise of the Study: Expressed sequence tag–simple sequence repeat (EST-SSR) markers were developed for Carex angustisquama (Cyperaceae) to investigate the evolutionary history of this plant that is endemic to solfatara fields in northern Japan. Methods and Results: Using RNA-Seq data generated by the Illumina HiSeq 2000, 20 EST-SSR markers were developed. Polymorphisms were assessed in C. angustisquama and the closely related species C. doenitzii and C. podogyna. In C. angustisquama, many loci were monomorphic within populations; the average number of alleles ranged from one to five, and levels of expected heterozygosity ranged from 0.000 to 0.580, while all markers were polymorphic in a population of C. doenitzii. This indicates that low genetic polymorphism of C. angustisquama is likely due to the species’ population dynamics, rather than to null alleles at the developed markers. Conclusions: These markers will be used to assess genetic diversity and structure and to investigate evolutionary history in future studies of C. angustisquama and related species.

Original languageEnglish
Article numbere01185
JournalApplications in Plant Sciences
Volume6
Issue number10
DOIs
Publication statusPublished - 2018 Oct

Keywords

  • Carex angustisquama
  • Carex doenitzii
  • Cyperaceae
  • expressed sequence tag–simple sequence repeat (EST-SSR) markers
  • solfatara

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Plant Science

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