A new approach to improve the scoring of mononucleotide microsatellite loci

Lluvia Flores-Rentería, Amy V Whipple

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Premise of the study: Mononucleotide microsatellites markers are useful for detecting genetic variation among individuals; however, scoring can be error-prone. We developed a new approach to improve the accuracy of allele scoring. Methods and Results: A set of 14 mononucleotide microsatellite primers of the chloroplast were developed based on published Pinus spp. chloroplast genomes. Due to substantial scoring error for mononucleotide repeats ≥ 10 bp, we included part of the microsatellite in the reverse primer to reduce slippage and improve the scoring of these polymorphic markers. For markers 10-20 bp, the error rate in scoring with this method has a binomial 95% confidence interval of 0.7-2.1%. Conclusions: These new primers provide variable chloroplast markers in species of subsection Cembroides and other Pinus spp. with more accurate assignment of the alleles. This approach can be used to improve the allele scoring of mononucleotide or dinucleotide repeats from nuclear and chloroplast genomes.

Original languageEnglish (US)
JournalAmerican Journal of Botany
Volume98
Issue number3
DOIs
StatePublished - Mar 2011

Fingerprint

chloroplast
Chloroplast Genome
Microsatellite Repeats
Pinus
Alleles
microsatellite repeats
Chloroplasts
allele
loci
alleles
Dinucleotide Repeats
chloroplasts
genome
Research Design
nuclear genome
Confidence Intervals
confidence interval
genetic variation
marker
methodology

Keywords

  • Error rates
  • Mononucleotide microsatellite
  • Pinus
  • Taq polymerase slippage

ASJC Scopus subject areas

  • Plant Science
  • Ecology, Evolution, Behavior and Systematics
  • Genetics

Cite this

A new approach to improve the scoring of mononucleotide microsatellite loci. / Flores-Rentería, Lluvia; Whipple, Amy V.

In: American Journal of Botany, Vol. 98, No. 3, 03.2011.

Research output: Contribution to journalArticle

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