Phylogenetics and historical biogeography of the mock buckthorn genus (Sageretia, Rhamnaceae)

doi:10.1093/botlinnean/boy077

	Phylogenetics and historical biogeography of the mock buckthorn genus (Sageretia, Rhamnaceae)
	Yang, Yi 1,3; Chen, Yong-Sheng2 ; Zhang, Jian-Wen1 ; Sun, Lu 1,3; Sun, Hang1
通讯作者	Sun, Hang(sunhang@mail.kib.ac.cn)
	2019-03-01
发表期刊	BOTANICAL JOURNAL OF THE LINNEAN SOCIETY
ISSN	0024-4074
卷号	189 期号:3 页码:244-261
摘要	Sageretia (Rhamnaceae) comprises c. 35 species of climbers and shrubs adapted to tropical and warm climates. The genus shows a disjunct distribution, with species in the Old and New Worlds. Aiming to trace the evolutionary history of Sageretia and understand its current Old-New World distribution pattern, we reconstructed phylogenetic relationships and biogeographical history of this taxon based on two nuclear (ITS, ETS) and three plastid (psbA-trnH, petA-psbJ and trnL-trnF) loci, against the backdrop of tribe Rhamneae. Phylogenetic analyses show that Sageretia is monophyletic and can be subdivided into three clades that are also supported by morphological and distributional data. Dating analyses and ancestral area reconstructions indicate that Sageretia probably originated in tropical Asia during the Eocene. Until the Miocene, it spread northwards, colonizing areas that became suitable due to the retreat of the arid belt, and it subsequently dispersed to the New World via the Beringian Land Bridge (BLB) and to Africa via Arabia. Global cooling, which began in the late Eocene, may have caused the split between the tropical Asian lineage (clade I) and its warm-range sister lineage (consisting of clades II and III), and the breaking of the BLB triggered the divergence of the warm-range lineage into Old World (clade II) and New World (clade III) lineages.
关键词	tropical Asia Old World-New World disjunction Rhamneae
DOI	10.1093/botlinnean/boy077
收录类别	SCI
语种	英语
WOS记录号	WOS:000462550100003
引用统计
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/67662
专题	中国科学院东亚植物多样性与生物地理学重点实验室
通讯作者	Sun, Hang
作者单位	1.Chinese Acad Sci, Kunming Inst Bot, CAS Key Lab Biodivers & Biogeog, Kunming 650204, Yunnan, Peoples R China 2.Northeast Agr Univ, Coll Life Sci, Harbin 150030, Heilongjiang, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Yang, Yi,Chen, Yong-Sheng,Zhang, Jian-Wen,et al. Phylogenetics and historical biogeography of the mock buckthorn genus (Sageretia, Rhamnaceae)[J]. BOTANICAL JOURNAL OF THE LINNEAN SOCIETY,2019,189(3):244-261.
APA	Yang, Yi,Chen, Yong-Sheng,Zhang, Jian-Wen,Sun, Lu,&Sun, Hang.(2019).Phylogenetics and historical biogeography of the mock buckthorn genus (Sageretia, Rhamnaceae).BOTANICAL JOURNAL OF THE LINNEAN SOCIETY,189(3),244-261.
MLA	Yang, Yi,et al."Phylogenetics and historical biogeography of the mock buckthorn genus (Sageretia, Rhamnaceae)".BOTANICAL JOURNAL OF THE LINNEAN SOCIETY 189.3(2019):244-261.

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