An Integrated Linkage Map of Three Recombinant Inbred Populations of Pea (Pisum sativum L.)

Chie Sawada, Carol Moreau, Gabriel H. J. Robinson, Burkhard Steuernagel, Luzie U. Wingen, Jitender Cheema, Ellen Sizer-Coverdale, David Lloyd, Claire Domoney, Noel Ellis*

*Corresponding author for this work

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Abstract

Biparental recombinant inbred line (RIL) populations are sets of genetically stable lines and have a simple population structure that facilitates the dissection of the genetics of interesting traits. On the other hand, populations derived from multiparent intercrosses combine both greater diversity and higher numbers of recombination events than RILs. Here, we describe a simple population structure: a three-way recombinant inbred population combination. This structure was easy to produce and was a compromise between biparental and multiparent populations. We show that this structure had advantages when analyzing cultivar crosses, and could achieve a mapping resolution of a few genes.
Original languageEnglish
Article number196
Number of pages15
JournalGenes
Volume13
Issue number2
DOIs
Publication statusPublished - 22 Jan 2022

Keywords

  • Genetic map
  • Integrated map
  • Pea
  • Recombinant inbred population
  • Phenotype
  • Pisum sativum/genetics
  • Chromosome Mapping
  • Quantitative Trait Loci
  • Genetic Linkage

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