Organelle Phylogenomics and Extensive Conflicting Phylogenetic Signals in the Monocot Order Poales

doi:10.3389/fpls.2021.824672

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	Organelle Phylogenomics and Extensive Conflicting Phylogenetic Signals in the Monocot Order Poales
	Wu, Hong; Yang, Jun-Bo; Liu, Jing-Xia; Li, De-Zhu; Ma, Peng-Fei
	2022
发表期刊	FRONTIERS IN PLANT SCIENCE
卷号	12 页码:824672
摘要	The Poales is one of the largest orders of flowering plants with significant economic and ecological values. Reconstructing the phylogeny of the Poales is important for understanding its evolutionary history that forms the basis for biological studies. However, due to sparse taxon sampling and limited molecular data, previous studies have resulted in a variety of contradictory topologies. In particular, there are three nodes surrounded by incongruence: the phylogenetic ambiguity near the root of the Poales tree, the sister family of Poaceae, and the delimitation of the xyrid clade. We conducted a comprehensive sampling and reconstructed the phylogenetic tree using plastid and mitochondrial genomic data from 91 to 66 taxa, respectively, representing all the 16 families of Poales. Our analyses support the finding of Bromeliaceae and Typhaceae as the earliest diverging groups within the Poales while having phylogenetic relationships with the polytomy. The clade of Ecdeiocoleaceae and Joinvilleaceae is recovered as the sister group of Poaceae. The three families, Mayacaceae, Eriocaulaceae, and Xyridaceae, of the xyrid assembly diverged successively along the backbone of the Poales phylogeny, and thus this assembly is paraphyletic. Surprisingly, we find substantial phylogenetic conflicts within the plastid genomes of the Poales, as well as among the plastid, mitochondrial, and nuclear data. These conflicts suggest that the Poales could have a complicated evolutionary history, such as rapid radiation and polyploidy, particularly allopolyploidy through hybridization. In sum, our study presents a new perspicacity into the complex phylogenetic relationships and the underlying phylogenetic conflicts within the Poales.
关键词	Poales phylogenomic conflict plastome mitochondrial nuclear EVOLUTIONARY SIGNIFICANCE PLASTID GENOMES NUCLEAR GENES SEQUENCE DATA TREE MITOCHONDRIAL DIVERSIFICATION FAMILIES RBCL CLASSIFICATION
DOI	10.3389/fpls.2021.824672
收录类别	SCI
WOS记录号	WOS:000758673600001
引用统计
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/75640
专题	中国科学院昆明植物研究所
推荐引用方式 GB/T 7714	Wu, Hong,Yang, Jun-Bo,Liu, Jing-Xia,et al. Organelle Phylogenomics and Extensive Conflicting Phylogenetic Signals in the Monocot Order Poales[J]. FRONTIERS IN PLANT SCIENCE,2022,12:824672.
APA	Wu, Hong,Yang, Jun-Bo,Liu, Jing-Xia,Li, De-Zhu,&Ma, Peng-Fei.(2022).Organelle Phylogenomics and Extensive Conflicting Phylogenetic Signals in the Monocot Order Poales.FRONTIERS IN PLANT SCIENCE,12,824672.
MLA	Wu, Hong,et al."Organelle Phylogenomics and Extensive Conflicting Phylogenetic Signals in the Monocot Order Poales".FRONTIERS IN PLANT SCIENCE 12(2022):824672.

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