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May 29, 2026BMC Plant BiologyOpen Access

Genomic basis of local adaptation in Elymus sibiricus revealed by genotype–environment associations and common garden experiments

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Authors

YXYi XiongQYQingqing YuYXYanli Xiong

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Overview

Randomized trial assesses genetic basis of local adaptation in Elymus sibiricus, suggesting insights for climate adaptability.

Key Points

  • This study aims to uncover the genomic mechanisms underlying local adaptation in Elymus sibiricus across different environmental conditions.
  • Analyzed population structure of 316 E. sibiricus accessions, categorizing them into three clusters.
  • Conducted selection sweep analysis to identify genes under selection related to climate adaptation.
  • Performed a three-year common garden experiment to evaluate adaptive traits like biomass.
  • Identified significant genetic differentiation (Fst) among the three clusters of E. sibiricus.
  • Found specific genes associated with temperature and rainfall related to local adaptation.
  • Detected six gene exchange events among the 13 subgroups, indicating dynamic population history.

Cite This Study

Xiong et al. (2026) studied this question.

synapsesocial.com/papers/6a192de6fab5b468c4416d78https://doi.org/10.1186/s12870-026-09100-w
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