智利葡萄属种的杂交检测。

IF 3.6 3区 生物学 Q1 PLANT SCIENCES
Plant Biology Pub Date : 2024-12-09 DOI:10.1111/plb.13751
F. Schneider, F. Hellwig
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引用次数: 0

摘要

智利的Baccharis属是一个非同寻常的混合物的例子,以前只在形态和化学上进行了描述。在智利,该属形成了一个同倍体复合体,至少有16种和21个杂交种。采用基因分型测序法(GBS)对原产于B. macraei和B. linearis的Baccharis × intermedia进行杂交鉴定。此外,我们还分析了另一种形态上与大黄芽孢杆菌相似的种春芽孢杆菌,以确定其在杂交过程中的作用。利用Treemix、D-统计和f-统计对72个个体的11006个snp进行分析,揭示了白僵菌与线性白僵菌杂交的遗传证据。此外,其他遗传指标,如高水平的杂合性,也证明了Baccharis x intermedia的杂交性质。此外,1个个体表现出来自春芽孢杆菌、粗芽孢杆菌和线性芽孢杆菌的强烈遗传比例。利用稀疏非负矩阵分解(sNMF)将不同的个体聚类为5个不同的群体,分别代表所描述的物种和杂交种。大灰杉有北部亚群和南部亚群之分。遗传资料证实了杂种性状的形态和化学证据。此外,最可能的进化场景是混合群体。线性白僵菌和粗僵菌的遗传分化表明在二次接触之前就分离了。证实了白僵菌与春僵菌的亲缘关系,表明其可能在不同土壤类型上作为一种替代种出现。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Detecting hybridization in Chilean species of the genus Baccharis L.

Detecting hybridization in Chilean species of the genus Baccharis L.

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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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