Genome-wide association mapping for wood characteristics in Populus identifies an array of candidate single nucleotide polymorphisms

  • Porth I
  • Klapšte J
  • Skyba O
 et al. 
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Abstract

Establishing links between phenotypes and molecular variants is of central importance to accelerate genetic improvement of economically important plant species. Our work represents the first genome-wide association study to the inherently complex and currently poorly understood genetic architecture of industrially relevant wood traits. Here, we employed an Illumina Infinium 34K single nucleotide polymorphism (SNP) genotyping array that generated 29,233 high-quality SNPs in c. 3500 broad-based candidate genes within a population of 334 unrelated Populus trichocarpa individuals to establish genome-wide associations. The analysis revealed 141 significant SNPs (alpha

Author-supplied keywords

  • Association genetics
  • Cellulose
  • Lignin
  • Populus
  • Single nucleotide polymorphism (SNP)
  • Wood traits
  • Wood ultrastructure

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