Impact of barriers on Cyrno-Sardinian endemisms: A comparative study of population genetics and phylogeography within taxa of Centranthus sect. Nervosae (Caprifoliaceae)

IF 3.6 3区 生物学 Q1 PLANT SCIENCES Plant Biology Pub Date : 2025-03-10 DOI:10.1111/plb.13775
O. De Castro, C. Piazza, E. Di Iorio, G. Bacchetta, B. Menale
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屏障对塞诺-撒丁岛特有物种的影响:姜花科姜花科植物群遗传与系统地理学的比较研究。
本研究以科西嘉岛和撒丁岛的四倍体种Centranthus sect. Nervosae为研究对象,探讨了地理屏障对地中海特有种分布和生存的影响。目的是分析这些障碍如何影响遗传多样性、种群结构和系统地理格局,从而影响所选研究物种的保护策略和未来恢复力。基因分型包括双亲本标记(用于群体遗传调查的16个核微卫星)和单亲本标记的Sanger测序(用于系统地理调查的6个质体序列)。微卫星的筛选显示了二倍体化过程,并且在所有种群中都观察到质体序列的单倍型固定。这两种调查方法的结果清楚地表明,隔离和障碍对种群的遗传结构产生了重大影响,使它们遭受遗传漂变、瓶颈和相关的进化现象。随着时间的推移,这些因素导致了观察到的低单倍型变异性和核微卫星多样性。遗传变异的减少,加上近亲繁殖和遗传漂变等因素,突出了这些种群濒临灭绝的脆弱性。因此,这项多方法调查有助于确定保护策略,强调需要保护遗传多样性,减轻人类活动和环境变化对岛屿环境中特有植物群落的影响。该研究强调了整合多种标记类型对加深我们对保护遗传学和进化历史的理解的重要性,从而有助于评估和规划这些特有物种的潜在保护策略。
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来源期刊
Plant Biology
Plant Biology 生物-植物科学
CiteScore
8.20
自引率
2.60%
发文量
109
审稿时长
3 months
期刊介绍: Plant Biology is an international journal of broad scope bringing together the different subdisciplines, such as physiology, molecular biology, cell biology, development, genetics, systematics, ecology, evolution, ecophysiology, plant-microbe interactions, and mycology. Plant Biology publishes original problem-oriented full-length research papers, short research papers, and review articles. Discussion of hot topics and provocative opinion articles are published under the heading Acute Views. From a multidisciplinary perspective, Plant Biology will provide a platform for publication, information and debate, encompassing all areas which fall within the scope of plant science.
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