Genetic structure of Solidago × niederederi (Asteraceae) population in the «Aleksin Bor» Natural Monument (European Russia)

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2023-01-01 DOI:10.24189/ncr.2023.027

Sergey N. Lysenkov, Maria A. Galkina

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Abstract

Solidago × niederederi (Asteraceae) is a natural hybrid of the native S. virgaurea and the alien invasive S. canadensis, originated in Europe. Its naturalisation potential is still questionable. One of the largest (more than 20 ramet clusters, treated as individuals) known population of this nothospecies, is located in the «Aleksin Bor» Natural Monument (Aleksin town, Tula Region, Russia) in the floodplain of the River Oka. We studied its genetic structure with the help of chloroplast and nuclear markers. Analysis of sequence of nuclear ribosomal internal transcribed spacer ITS 1–2 showed that all individuals with intermediate morphology are actually hybrids. Data on the intergenic chloroplast non-coding spacer rpl32–trnL showed that S. canadensis is the maternal species in 60% of the studied individuals. It was shown that even closely located individuals were not clones; therefore, they were results of sexual, rather than vegetative reproduction. Analysis of ISSR markers showed that the studied individuals of S. × niederederi in this population are not only F1 hybrids, but also their descendants (F2 hybrids and/or backcrosses, mostly with S. canadensis). We conclude that S. × niederederi has successfully been naturalised in the studied community and, possibly, is outcompeting its native parental species, S. virgaurea, through introgression.

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俄罗斯欧系“阿列克辛博尔”自然保护区菊科一枝黄花(Solidago x niederederi)种群遗传结构

Solidago x niederederi (Asteraceae)是原产于欧洲的本地紫花蔷薇(S. virgaurea)和外来入侵植物加拿大蔷薇(S. canadensis)的天然杂交品种。它的入籍潜力仍然值得怀疑。已知最大的种群之一(超过20个分簇，作为个体处理)位于奥卡河漫滩的“阿列克辛博尔”自然纪念碑(俄罗斯图拉地区阿列克辛镇)。利用叶绿体和细胞核标记对其遗传结构进行了研究。核糖体内转录间隔段ITS - 1-2序列分析表明，具有中间形态的个体实际上都是杂交个体。基因间叶绿体非编码间隔物rpl32-trnL的分析结果表明，60%的研究个体的母系种为加拿大葡萄。结果表明，即使位置很近的个体也不是克隆;因此，它们是有性繁殖的结果，而不是营养繁殖的结果。ISSR标记分析表明，该群体中的S. x niederederi不仅是F1杂交种，而且是其后代(F2杂交种和/或回交，主要与加拿大S. canadensis)。我们的结论是，S. x niederederi已经成功地在研究群落中归化，并且可能通过渗透胜过其本地亲本种S. virgaurea。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.