Plastome phylogenomic analysis reveals evolutionary divergences of Polypodiales suborder Dennstaedtiineae

doi:10.1186/s12870-022-03886-1

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	Plastome phylogenomic analysis reveals evolutionary divergences of Polypodiales suborder Dennstaedtiineae
	Lu, Jin-Mei; Du, Xin-Yu; Kuo, Li-Yaung; Ebihara, Atsushi; Perrie, Leon R.; Zuo, Zheng-Yu; Shang, Hui; Chang, Yi-Han; Li, De-Zhu
	2022
发表期刊	BMC PLANT BIOLOGY
卷号	22 期号:1 页码:511
摘要	Background Polypodiales suborder Dennstaedtiineae contain a single family Dennstaedtiaceae, eleven genera, and about 270 species, and include some groups that were previously placed in Dennstaedtiaceae, Hypolepidaceae, Monachosoraceae, and Pteridaceae. The classification and phylogenetic relationships among these eleven genera have been poorly understood. To explore the deep relationships within suborder Dennstaedtiineae and estimate the early diversification of this morphologically heterogeneous group, we analyzed complete plastomes of 57 samples representing all eleven genera of suborder Dennstaedtiineae using maximum likelihood and Bayesian inference. Results The phylogenetic relationships of all the lineages in the bracken fern family Dennstaedtiaceae were well resolved with strong support values. All six genera of Hypolepidoideae were recovered as forming a monophyletic group with full support, and Pteridium was fully supported as sister to all the other genera in Hypolepidoideae. Dennstaedtioideae (Dennstaedtia s.l.) fell into four clades with full support: the Microlepia clade, the northern Dennstaedtia clade, the Dennstaedtia globulifera clade, and the Dennstaedtia s.s. clade. Monachosorum was strongly resolved as sister to all the remaining genera of suborder Dennstaedtiineae. Based on the well resolved relationships among genera, the divergence between Monachosorum and other groups of suborder Dennstaedtiineae was estimated to have occurred in the Early Cretaceous, and all extant genera (and clades) in Dennstaedtiineae, were inferred to have diversified since the Late Oligocene. Conclusion This study supports reinstating a previously published family Monachosoraceae as a segregate from Dennstaedtiaceae, based on unique morphological evidence, the shady habitat, and the deep evolutionary divergence from its closest relatives.
关键词	Dennstaedtiaceae Plastid phylogenomics Monachosoraceae Monachosorum Monophyly Morphological character Divergence time MARGINAL SORI FERN FAMILY GENUS CLASSIFICATION PTERIDACEAE SEQUENCE DIVERSIFICATION IMPROVEMENT LYCOPHYTES ANATOMY
DOI	10.1186/s12870-022-03886-1
收录类别	SCI
WOS记录号	WOS:000877701300002
引用统计
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/74720
专题	中国科学院昆明植物研究所
推荐引用方式 GB/T 7714	Lu, Jin-Mei,Du, Xin-Yu,Kuo, Li-Yaung,et al. Plastome phylogenomic analysis reveals evolutionary divergences of Polypodiales suborder Dennstaedtiineae[J]. BMC PLANT BIOLOGY,2022,22(1):511.
APA	Lu, Jin-Mei.,Du, Xin-Yu.,Kuo, Li-Yaung.,Ebihara, Atsushi.,Perrie, Leon R..,...&Li, De-Zhu.(2022).Plastome phylogenomic analysis reveals evolutionary divergences of Polypodiales suborder Dennstaedtiineae.BMC PLANT BIOLOGY,22(1),511.
MLA	Lu, Jin-Mei,et al."Plastome phylogenomic analysis reveals evolutionary divergences of Polypodiales suborder Dennstaedtiineae".BMC PLANT BIOLOGY 22.1(2022):511.

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