Identifying genetic variation associated with environmental gradients and drought-tolerance phenotypes in ponderosa pine.

ABSTRACT: As climate changes, understanding the genetic basis of local adaptation in plants becomes an ever more pressing issue. Combining genotype-environment association (GEA) with genotype-phenotype association (GPA) analysis has an exciting potential to uncover the genetic basis of environmental responses. We use these approaches to identify genetic variants linked to local adaptation to drought in Pinus ponderosa. Over 4 million Single Nucleotide Polymorphisms (SNPs) were identified using 223 individuals from across the Sierra Nevada of California. 927,740 (22.3%) SNPs were retained after filtering for proximity to genes and used in our association analyses. We found 1374 associated with five major climate variables, with the largest number (1151) associated with April 1st snowpack. We a

SUBMITTER: Shu M 

PROVIDER: S-EPMC10576020 | biostudies-literature | 2023 Oct

REPOSITORIES: biostudies-literature