ArticleBMC plant biology2025
Population genomics provides new insights into the genetic variation patterns, population demographic history, and high-altitude adaptation of Sophora moorcroftiana.
Article in BMC plant biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed.
- Geographic isolation shapes the genetic landscape of the threatened karst-endemic plantFrontiers in plant science · 2026Article
- Integrated Mitochondrial Genome and Transcriptomic Analyses Reveal Long Non-Coding RNAs Associated with Drought Tolerance inBiology · 2025Article
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8 authors.
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Abstract
backgroundSophora moorcroftiana, a key stone shrub in Xizang (Tibet), has significant ecological and economic value. However, its populations face severe degradation. Understanding key evolutionary drivers of genetic variation within and among populations is critical for conserving and managing this species. Previous studies indicate a strong genetic structure correlated with altitude, but limited knowledge exists about the drivers of its geographic structure and evolutionary history. To address this, we conducted genomic research on 225 samples from 15 populations of S. moorcroftiana.
resultsPopulations of S. moorcroftiana exhibited distinct population structure, divided into four subpopulations. Subpopulation P1 (Gongbu Jiangda County, Nyingchi) showed the greatest genetic differentiation from other populations (average Fst = 0.2477), with the lowest genetic diversity (Pi = 1.1 × 10
conclusionsThe uplift of the plateau and intense climatic fluctuations during the Quaternary have profoundly impacted the genetic structure and geographic distribution of species in the region. The current genetic distribution characteristics were shaped by the subsequent influences of geography, environment, and gene flow. These findings provide a theoretical basis for the utilization of genetic resources, the formulation and implementation of conservation strategies for S. moorcroftiana, and the exploration of its adaptation mechanisms to the plateau environment.
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