Phenotypic adaptation and genomic variation of Kandelia obovata associated with its northern introduction along southeastern coast of China
文献类型： 外文期刊
作者： Zhang, Jiaqi 1 ; Ouyang, Sheng 1 ; Cai, Xingxing 1 ; Yang, Sheng 4 ; Chen, Qiuxia 4 ; Yang, Ji 1 ; Song, Zhiping 1 ; Zhang, Wenju 1 ; Wang, Yuguo 1 ; Zhu, Yan 1 ; Nan, Peng 1 ;
作者机构： 1.Fudan Univ, Sch Life Sci, Shanghai, Peoples R China
2.Minist Educ Key Lab Biodivers Sci & Ecol Engn, State Key Lab Wetland Conservat & Restorat, Natl Observat & Res Stn Wetland Ecosyst Yangtze Es, Shanghai, Peoples R China
3.Inst Ecochongming, Shanghai, Peoples R China
4.Zhejiang Acad Agr Sci, Zhejiang Inst Subtrop Crops, Wenzhou Key Lab Resource Plant Innovat & Utilizat, Wenzhou, Zhejiang, Peoples R China
关键词：
期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：4.8； 五年影响因子：5.7 ）
ISSN： 1664-462X
年卷期： 2025 年 16 卷
页码：
收录情况： SCI
摘要： Introduction Mangroves play a crucial role within coastal wetland ecosystems, with Kandelia obovata frequently utilized for introduction studies and cultivation research. Investigating the rapid adaptability of K. obovata across diverse environmental conditions offers valuable insights into how mangroves can effectively acclimate to global climate fluctuations.Methods In this study, following a common gardenexperiment, we investigated variations in morphological traits between twodistinct populations of K. obovata, Quanzhou (QZ) and Wenzhou (WZ),originating from the same introduction site Zhangzhou (ZZ). Then we performed the whole-genome resequencing on multiple populations along the southern coast of China to assess genetic divergence and diversity patterns in response to environmental factors.Results Our findings have uncovered divergent growth-defense trade-off mechanisms employed by these two populations when exposed to varying minimal temperatures in the coldest month within their respective habitats. Moreover, our observations have revealed discernible genetic divergence during the process of environmental acclimatization. Subsequent whole-genome re-sequencing have unveiled a significant decrease in genetic diversity within the northernmost population, suggesting that temperature plays a primary role in shaping genetic variability within the K. obovata species.Discussion These findings present new evidence for the rapid adaptation of K. obovata and contributes to our understanding of environmental adaptation characteristics during its introduction to northern regions, which holds significant implications for the conservation and sustainable development of mangroves.
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