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@article{1852558,
author = {Zhang, D. and Hao, GQ. and Guo, Xinyi and Hu, QJ. and Liu, JQ.},
article_number = {6},
doi = {http://dx.doi.org/10.1111/jse.12543},
keywords = {Eutremaevolutionary historypopulation genomicssky island},
language = {eng},
issn = {1674-4918},
journal = {JOURNAL OF SYSTEMATICS AND EVOLUTION},
title = {Genomic insight into "sky island" species diversification in a mountainous biodiversity hotspot},
url = {https://onlinelibrary.wiley.com/doi/10.1111/jse.12543},
volume = {57},
year = {2019}
}
TY - JOUR
ID - 1852558
AU - Zhang, D. - Hao, GQ. - Guo, Xinyi - Hu, QJ. - Liu, JQ.
PY - 2019
TI - Genomic insight into "sky island" species diversification in a mountainous biodiversity hotspot
JF - JOURNAL OF SYSTEMATICS AND EVOLUTION
VL - 57
IS - 6
SP - 633-645
EP - 633-645
SN - 16744918
KW - Eutremaevolutionary historypopulation genomicssky island
UR - https://onlinelibrary.wiley.com/doi/10.1111/jse.12543
N2 - "Sky island" species diversification contributes greatly to mountainous biodiversity. However, the underlying genomic divergence and the inferred drivers remain largely unknown. In this study, we examined the diversification history of five diploid species with three exclusively endemic to the sky islands (mountains) of the Himalaya-Hengduan Mountains biodiversity hotspot. All of them together comprise a clade of the genus Eutrema (Brassicaceae). We resequenced genomes of multiple individuals of the found populations for each species. We recovered the inconsistent phylogenetic relationships between plastome and nuclear-genome trees for one species. Based on nuclear population genomic data, we detected high genetic divergence between five species with limited gene flow. Four species seemed to diverge mainly through geographical isolation, whereas one arose through hybrid origin. The origins of the sampled five species were dated to within the late Miocene when mountains were uplifted and climates oscillated. All species decreased their population sizes since the inferred origin of each species initially, but only two of them expanded after the Last Glacial Maximum. Together, these findings suggest that geographic isolation plays an important role in driving the sky island species diversification of the sampled species in addition to the occasional gene flow that might have led to the hybrid origin of some sky island species, similar to the species diversification of sea islands.
ER -
ZHANG, D., GQ. HAO, Xinyi GUO, QJ. HU a JQ. LIU. Genomic insight into ''sky island'' species diversification in a mountainous biodiversity hotspot. \textit{JOURNAL OF SYSTEMATICS AND EVOLUTION}. 2019, roč.~57, č.~6, s.~633-645. ISSN~1674-4918. Dostupné z: https://dx.doi.org/10.1111/jse.12543.
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