表观遗传可塑性可能会加剧气候变化脆弱性
Bing Chen1, Yiyong Chen2, Aibin Zhan2
1Ministry of Education Key Laboratory for Biodiversity Science and Ecological Engineering, Institute of Biodiversity Science, Center for Evolutionary Biology, School of Life Sciences, Fudan University, Shanghai, China.
Global change biology
|August 8, 2025
概括
表观遗传可塑性影响物种的气候变化脆弱性. 虽然塑性本身就增加了风险,但移民可以减轻这种风险,为生物多样性保护和进化研究提供了关键的见解.
科学领域:
- 进化生物学是进化的生物学.
- 气候变化生态学 气候变化生态学
- 遗传学和表观遗传学
背景情况:
- 气候变化对全球生物多样性构成重大威胁.
- 适应和迁移是作为对环境变化的反应而研究的关键进化过程.
- 现型可塑性在调解物种对气候变化的反应中的作用尚未得到充分研究.
研究的目的:
- 调查表观遗传可塑性对三脊鱼 (Gasterosteus aculeatus) 气候变化脆弱性的影响.
- 为了比较塑性和迁移对物种对预测气候情景的反应的影响.
- 通过将可塑性整合到对物种对环境变化反应的预测中,推进范围建模.
主要方法:
- 估计表观遗传可塑性对三脊鱼对气候变化的反应的影响.
- 在预测的气候条件下对物种脆弱性的建模,考虑到塑料位置的可用性.
- 评估短途移民对气候变化脆弱性的缓解影响.
主要成果:
- 对预测气候的脆弱性在只有塑料位点可供人口使用时是最高的.
- 发现短距离迁移可以减轻仅仅依赖可塑性的增加脆弱性.
- 表观遗传修饰在调解对环境变化的进化和塑性反应方面发挥着至关重要的作用.
结论:
- 表观遗传可塑性是物种在气候变化下持续存在的关键因素.
- 塑性和迁移之间的相互作用显著塑造了物种对不断变化的环境的反应.
- 将可塑性纳入生态模型提供了对物种未来分布的更全面的了解.
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