Genetic structure of a widespread alpine shrub Rhododendron aureum (Ericaceae) across East Asia

Полежаева, М. А.; Тихонова, Н. А.; Marchuk, Elena A.; Modorov, M. V.; Ranyuk, M. N.; Polezhaev, A. N.; Badmayeva, N. K.; Семериков, В. Л.

doi:10.1007/s10265-020-01241-9

Cited by 5 publications

(2 citation statements)

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“…For 22 populations of 5 wild Rhododendron species in Qinling Mountain, as for R. aureum more populations were examined, which can fully show local‐level genetic diversity of R. aureum in Changbai Mountain. High genetic diversity was also observed in R. aureum populations by other molecular markers, such as RAPD, ISSR, and SSR (Liu et al., 2012 ; Polezhaeva et al., 2021 ). Different molecular marker methods showed the same results, which fully proved that R. aureum has high genetic diversity.…”

Section: Discussionmentioning

confidence: 89%

Evaluation of environmental factors affecting the genetic diversity, genetic structure, and the potential distribution of Rhododendron aureum Georgi under changing climate

Zhao

Wang

et al. 2021

Ecology and Evolution

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Understanding genetic variation and structure, adaptive genetic variation, and its relationship with environmental factors is of great significance to understand how plants adapt to climate change and design effective conservation and management strategies. The objective of this study was to (I) investigate the genetic diversity and structure by AFLP markers in 36 populations of R. aureum from northeast China, (Ⅱ) reveal the relative contribution of geographical and environmental impacts on the distribution and genetic differentiation of R. aureum, (Ⅲ) identify outlier loci under selection and evaluate the association between outlier loci and environmental factors, and (Ⅳ) exactly calculate the development trend of population of R. aureum, as it is confronted with severe climate change and to provide information for designing effective conservation and management strategies. We found high genetic variation (I = 0.584) and differentiation among populations (ΦST = 0.703) and moderate levels of genetic diversity within populations of R. aureum. A significant relationship between genetic distance and environmental distance was identified, which suggested that the differentiation of different populations was caused by environmental factors. Using BayeScan and Dfdist, 42 outlier loci are identified and most of the outlier loci are associated with climate or relief factors, suggesting that these loci are linked to genes that are involved in the adaptability of R. aureum to the environment. Species distribution models (SDMs) showed that climate warming will cause a significant reduction in suitable areas for R. aureum, especially under the RCP 85 scenario. Our results help to understand the potential response of R. aureum to climatic changes and provide new perspectives for R. aureum resource management and conservation strategies.

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Section: Discussionmentioning

confidence: 89%

Evaluation of environmental factors affecting the genetic diversity, genetic structure, and the potential distribution of Rhododendron aureum Georgi under changing climate

Zhao

Wang

et al. 2021

Ecology and Evolution

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“…CS: VU (1)] (Fig. 16) Rhododendron aureum is broadly distributed in Siberia to Russian Far East, Korea, Mongolia, China, and Japan (Polezhaeva et al, 2021). This species grows in the goltzy, stone fi elds and screes in the alpine belt and cedarpine forests at upper forest limit in the Khuvsgul and Khentei regions of Mongolia (Grubov, 1982).…”

Section: Rhododendron Aureum Georgi (Ericaceae)mentioning

confidence: 99%

Distribution of Vascular Plants in Mongolia – III Part

2023

Mong. J. Biol. Sci.

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Virtual issue: phylogeographic studies in the Japanese Archipelago: from geographic patterns of genetic variation to biodiversity in plants

Ikeda

2023

J Plant Res

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Genetic structure of a widespread alpine shrub Rhododendron aureum (Ericaceae) across East Asia

Cited by 5 publications

References 70 publications

Evaluation of environmental factors affecting the genetic diversity, genetic structure, and the potential distribution of Rhododendron aureum Georgi under changing climate

Evaluation of environmental factors affecting the genetic diversity, genetic structure, and the potential distribution of Rhododendron aureum Georgi under changing climate

Distribution of Vascular Plants in Mongolia – III Part

Virtual issue: phylogeographic studies in the Japanese Archipelago: from geographic patterns of genetic variation to biodiversity in plants

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