"Missing" G x E Variation Controls Flowering Time in Arabidopsis thaliana.

ABSTRACT: Understanding how genetic variation interacts with the environment is essential for understanding adaptation. In particular, the life cycle of plants is tightly coordinated with local environmental signals through complex interactions with the genetic variation (G x E). The mechanistic basis for G x E is almost completely unknown. We collected flowering time data for 173 natural inbred lines of Arabidopsis thaliana from Sweden under two growth temperatures (10°C and 16°C), and observed massive G x E variation. To identify the genetic polymorphisms underlying this variation, we conducted genome-wide scans using both SNPs and local variance components. The SNP-based scan identified several variants that had common effects in both environments, but found no trace of G x E effects, whereas the

SUBMITTER: Sasaki E 

PROVIDER: S-EPMC4608753 | biostudies-literature | 2015 Oct

REPOSITORIES: biostudies-literature