The higher-level phylogeny of monocots based on matK, rbcL and 18S rDNA sequences
Li Xiao-Xian; Zhou Zhe-Kun
Corresponding Authorzhouzk@mail.kib.ac.cn
2007-03-01
Source PublicationACTA PHYTOTAXONOMICA SINICA
ISSN0529-1526
Volume45Issue:2Pages:113-133
AbstractTwo chloroplast (matK and rbcL), and one nuclear (18S) genes from 86 families, 126 genera, and 151 species of angiosperms (including 58 families, 86 genera, and 101 species of monocots), representing all major lineages of monocots and the basal angiosperms, were analyzed using parsimony methods. The eumagnoliids composed of Magnoliales, Laurales, Canellales, and Piperales appear as sister to the whole monocots. The monophyly of monocots receives 98% bootstrap support in the combined analyses of three genes. The monophylies of nine clades of monocots (Alismatales s.l., Dioscoreales, Pandanales, Asparagales, Liliales, Arecales, Poales, Zingiberales, and Commelinales) and six clades of other angiosperms (Nymphaeales, eudicots, Magnoliales, Laurales, Piperales, and Canellales) were supported in the strict consensus tree of combined analyses. The results showed that the genus Acorus is the basalmost clade among extant monocots, followed by Alismatales s.l. (including Araceae and Tofieldiaceae). Petrosaviaceae are placed as a sister group of the clade comprising the Dioscoreales-Pandanales clade, Asparagales, Liliales and commelinoids. The sister-group relationships are strongly supported between Petrosaviaceae and the remaining monocots (except for Acoraceae and Alismatales s.l.), between Dioscoreales and Pandanales, and between Commelinales and Zingiberales in the combined analyses of two genes and three genes. However, the phylogenetic relationships among Asparagales, Liliales and commelinoids are still uncertain in current analyses. In commelinoids, the relationships of Arecales and Poales still need more research in future. Furthermore, it is noteworthy that the sister relationship between Petrosaviaceae and the remaining monocots (except for Acoraceae and Alismatales s.l.) and the monophylies of Dioscoreales and Asparagales were strongly supported with bootstrap values more than 90%, which generally received bootstrap values less than 50% in the previous studies. Considering the special position of Acoraceae and Petrosaviaceae, we support the taxonomical treatment of Acoraceae and Petrosaviaceae in their own order Acorales and Petrosaviales.
KeywordMonocots Petrosaviaceae Phylogeny Matk Rbcl 18s Rdna
Subject AreaPlant Sciences
DOI10.1360/aps06148
Indexed BySCI
Language英语
WOS Research AreaPlant Sciences
WOS SubjectPlant Sciences
WOS IDWOS:000245461600001
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/2833
Collection中国科学院东亚植物多样性与生物地理学重点实验室
AffiliationChinese Acad Sci, Kunming Inst Bot, Kunming 650204, Peoples R China
Recommended Citation
GB/T 7714
Li Xiao-Xian,Zhou Zhe-Kun. The higher-level phylogeny of monocots based on matK, rbcL and 18S rDNA sequences[J]. ACTA PHYTOTAXONOMICA SINICA,2007,45(2):113-133.
APA Li Xiao-Xian,&Zhou Zhe-Kun.(2007).The higher-level phylogeny of monocots based on matK, rbcL and 18S rDNA sequences.ACTA PHYTOTAXONOMICA SINICA,45(2),113-133.
MLA Li Xiao-Xian,et al."The higher-level phylogeny of monocots based on matK, rbcL and 18S rDNA sequences".ACTA PHYTOTAXONOMICA SINICA 45.2(2007):113-133.
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