气候变化领域集成服务门户(CCPortal): Middle Pleistocene climate change influenced northward divergence and cold adaptation in an Asian lady's slipper orchid, Cypripedium macranthos Sw. (Orchidaceae)

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DOI	10.1093/botlinnean/boae003
	Middle Pleistocene climate change influenced northward divergence and cold adaptation in an Asian lady's slipper orchid, Cypripedium macranthos Sw. (Orchidaceae)
发表日期	2024
ISSN	0024-4074
EISSN	1095-8339
起始页码	205
结束页码	2
卷号	205 期号:2
英文摘要	The Pleistocene was characterized by climate fluctuations with rapid transitions between glacial and interglacial periods. East Asia's land bridge dynamics and monsoon system during the Middle Pleistocene transition (MPT) further constrained species distributions and dispersals, which promoted local adaptation and species diversification, making East Asia an excellent location to study species biogeography. Cypripedium macranthos Sw., a terrestrial orchid, diverged in the Pleistocene and became widespread in Russia, China, Korea, and Japan. Many populations are now at risk due to illegal harvesting or habitat loss. With comprehensive sampling including 171 individuals among 22 populations across the entire distribution range, together with plastid DNA sequencing, we have explored the origin and impact of palaeoclimate on its spatial genetic structure and historical biogeography. Regression-based analyses commonly used in landscape genetics were also applied to investigate the effects of precipitation, temperature, and wind on gene flow. The results revealed northeastern China as the probable cradle of C. macranthos, with northeastward divergence and range expansion during the MPT, aided by monsoon shifts and wind-driven seed dispersal. Isolation by environment was detected with winter temperature as a driver for north-south divergence controlling for an effect of isolation by distance, revealing cold adaptation of the northern populations or temperature-driven genetic differentiation. We also emphasize the founder speciation of an unique variety on Rebun Island of Japan. The widespread but genetically and ecologically divergent C. macranthos populations highlight the need for more conservation attention on northern populations under global warming.
英文关键词	Cypripedium macranthos; evolutionarily significant units; Middle Pleistocene transition; monsoon; population genetics; range expansion
语种	英语
WOS研究方向	Plant Sciences
WOS类目	Plant Sciences
WOS记录号	WOS:001176651300001
来源期刊	BOTANICAL JOURNAL OF THE LINNEAN SOCIETY
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/299580
作者单位	National Taiwan Normal University; Russian Academy of Sciences; Komarov Botanical Institute, Russian Academy of Sciences; Russian Academy of Sciences; Forestry & Forest Products Research Institute - Japan; University of Tokyo; Gachon University; National Taiwan University; National Taiwan University
推荐引用方式 GB/T 7714	. Middle Pleistocene climate change influenced northward divergence and cold adaptation in an Asian lady's slipper orchid, Cypripedium macranthos Sw. (Orchidaceae)[J],2024,205(2).
APA	(2024).Middle Pleistocene climate change influenced northward divergence and cold adaptation in an Asian lady's slipper orchid, Cypripedium macranthos Sw. (Orchidaceae).BOTANICAL JOURNAL OF THE LINNEAN SOCIETY,205(2).
MLA	"Middle Pleistocene climate change influenced northward divergence and cold adaptation in an Asian lady's slipper orchid, Cypripedium macranthos Sw. (Orchidaceae)".BOTANICAL JOURNAL OF THE LINNEAN SOCIETY 205.2(2024).

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