A seed germination transcriptomic study contrasting two soybean genotypes that differ in terms of their tolerance to the deleterious impacts of elevated temperatures during seed fill.

ABSTRACT:

Objective

Soybean seed development is negatively impacted by elevated temperatures during seed fill, which can decrease seed quality and economic value. Prior germplasm screens identified an exotic landrace able to maintain ~ 95% seed germination under stress conditions that reduce germination dramatically (> 50%) for typical soybean seeds. Seed transcriptomic analysis was performed for two soybean lines (a heat-tolerant landrace and a typical high-yielding adapted line) for dry, mature seed, 6-h imbibed seed and germinated seed. Seeds were produced in two environments: a typical Midwestern field and a heat stressed field located in the Midsouth soybean production region.

Results

Transcriptomic analysis revealed 23-30K expressed genes in each seed tissue sample, and differen

SUBMITTER: Gillman JD 

PROVIDER: S-EPMC6700996 | biostudies-literature | 2019 Aug

REPOSITORIES: biostudies-literature