Genomic analyses suggest parallel ecological divergence in Heliosperma pusillum (Caryophyllaceae).

Genomic analyses suggest parallel ecological divergence in Heliosperma pusillum (Caryophyllaceae).
复制标题

DOI:
10.1111/nph.14722
复制
发表时间:
2017-10
期刊:
The New phytologist
影响因子:
--
通讯作者:
Paun O
Paun O
中科院分区:
其他
文献类型:
--
作者:
Trucchi E;Frajman B;Haverkamp THA;Schönswetter P;Paun O

文献摘要

参考文献

被引文献

相似文献

具有不同生态学和形态学特征的杂交类群的镶嵌分布为研究生态分化过程中的微进化动态提供了机会。在这里,我们调查了阿尔卑斯山东南部的高山和山地生态型的Heliosperma pusillum(嘉鱼科)的进化历史。从两种生态型的六对地理上接近的种群(120个个体)中,我们获得了一个高覆盖率的限制性位点相关DNA测序(RADseq)数据集,用于人口统计推断,以检验两种生态型平行进化的假设。这些数据与H. pusillum中重复的生态分歧一致,揭示了一种生态型与另一种生态型的多达五个多位起源。证明了一个复杂的进化历史,在两个人口对和两个其他生态型内迁移与本地隔离。在所有情况下,分歧或二次接触的时间被推断为冰后期。外源污染物RAD序列的宏基因组分析表明不同的生态类型之间的微生物群落。缺乏共享的基因组区域的高分化的人口对说明了漂移和/或本地选择在形成遗传分化的生态分歧的重复情况下。
The mosaic distribution of interbreeding taxa with contrasting ecology and morphology offers an opportunity to study microevolutionary dynamics during ecological divergence. We investigate here the evolutionary history of an alpine and a montane ecotype of Heliosperma pusillum (Caryophyllaceae) in the south‐eastern Alps. From six pairs of geographically close populations of the two ecotypes (120 individuals) we obtained a high‐coverage restriction site associated DNA sequencing (RADseq) dataset that was used for demographic inference to test the hypothesis of parallel evolution of the two ecotypes. The data are consistent with repeated ecological divergence in H. pusillum, uncovering up to five polytopic origins of one ecotype from the other. A complex evolutionary history is evidenced, with local isolation‐with‐migration in two population pairs and intra‐ecotype migration in two others. In all cases, the time of divergence or secondary contact was inferred as postglacial. A metagenomic analysis on exogenous contaminant RAD sequences suggests divergent microbial communities between the ecotypes. The lack of shared genomic regions of high divergence across population pairs illustrates the action of drift and/or local selection in shaping genetic divergence across repeated cases of ecological divergence.
DOI: 10.1111/evo.12329
发表时间: 2014-04
期刊: Evolution; international journal of organic evolution
影响因子: --
作者:
Butlin RK;Saura M;Charrier G;Jackson B;André C;Caballero A;Coyne JA;Galindo J;Grahame JW;Hollander J;Kemppainen P;Martínez-Fernández M;Panova M;Quesada H;Johannesson K;Rolán-Alvarez E
通讯作者: Rolán-Alvarez E
DOI: 10.1046/j.1365-294x.2001.01202.x
发表时间: 2001-03-01
期刊: MOLECULAR ECOLOGY
影响因子: 4.9
作者:
Hewitt, GM
通讯作者: Hewitt, GM
DOI: 10.1007/bf00985372
发表时间: 2000-01-01
影响因子: 1.9
作者:
Brochmann, C;Borgen, L;Stabbetorp, OE
通讯作者: Stabbetorp, OE
DOI: 10.1111/j.1365-294x.2004.02177.x
发表时间: 2004-07-01
期刊: MOLECULAR ECOLOGY
影响因子: 4.9
作者:
Dyer, RJ;Nason, JD
通讯作者: Nason, JD