Assessment of shared alleles in drought-associated candidate genes among southern California white oak species (Quercus sect. Quercus).

ABSTRACT:

Background

Hybridization and introgression are common phenomena among oak species. These processes can be beneficial by introducing favorable genetic variants across species (adaptive introgression). Given that drought is an important stress, impacting physiological and morphological variation and limiting distributions, our goal was to identify drought-related genes that might exhibit patterns of introgression influenced by natural selection. Using RNAseq, we sequenced whole transcriptomes of 24 individuals from three oaks in southern California: (Quercus engelmannii, Quercus berberidifolia, Quercus cornelius-mulleri) and identified genetic variants to estimate admixture rates of all variants and those in drought genes.

Results

We found 398,042 variants across all loci and

SUBMITTER: Oney-Birol S 

PROVIDER: S-EPMC6167808 | biostudies-literature | 2018 Oct

REPOSITORIES: biostudies-literature