A phylogenetic perspective on the influence of ecological attributes on selected species of <i>Astragalus</i>

The use of phylogeny in ecology has gained attention due to its benefits in understanding biological diversity and adaptation processes. In this study, phylogenetic positions of 12 <i>Astragalus</i> taxa were evaluated by comparing with 419 <i>Astragalus</i> taxa sequences in a database. Additionally, the influence of ecological traits on morphology was assessed. Although the samples were grouped according to subgenera or sections they belong to, this division was not striking. The phylogenetic relationships of the nine endemic and three common <i>Astragalus</i> taxa based on nrDNA region sequences and morphological features as well as their interplay with the environment were examined. Furthermore, soil characteristics of the fields where each <i>Astragalus</i> taxon grows were determined. Analysis of the sequences revealed that the 12 taxa were grouped into three clades using the Bayesian Inference method. A cladogram of 431 <i>Astragalus</i> taxa showed that the samples were divided into ten major clades. Morphological traits were found to be correlated with soil properties, which could indicate adaptation to environmental conditions of these taxa.系统发育（phylogeny）在生态学中的应用因有助于解析生物多样性与适应过程而受到广泛关注。本研究通过比对数据库中419个黄芪属（Astragalus）分类群的序列，对12个黄芪属分类群的系统发育位置进行了评估，并分析了生态性状对形态特征的影响。尽管研究样本按照其所属的亚属或组进行了分组，但该分组并未呈现显著区分度。本研究基于核糖体DNA（nrDNA）区域序列与形态特征，探究了9个特有黄芪属分类群、3个常见黄芪属分类群的系统发育关系及其与环境的相互作用；同时测定了各黄芪属分类群生长生境的土壤特征。序列分析结果显示，采用贝叶斯推断（Bayesian Inference）法可将12个分类群划分为3个演化支。对431个黄芪属分类群构建的分支图表明，研究样本被划分为10个主要演化支。研究发现形态性状与土壤属性存在显著相关性，这提示该类黄芪属分类群可适应其所处的环境条件。

搜集汇总

背景与挑战

背景概述

该数据集基于系统发育视角，研究了12个黄芪属（Astragalus）分类群的生态属性影响，通过比较419个序列评估系统发育位置，并分析形态特征与土壤特性的相关性，以揭示环境适应机制。数据集包括补充图表和表格，涵盖微生物学、生态学、植物生物学等多个学科，采用CC BY 4.0许可证共享。