干旱区生态环境知识资源中心(Arid): Extensive plastid-nuclear discordance in a recent radiation of Nicotiana section Suaveolentes (Solanaceae)

Arid

DOI	10.1093/botlinnean/boaa024
	Extensive plastid-nuclear discordance in a recent radiation of Nicotiana section Suaveolentes (Solanaceae)
	Dodsworth, Steven; Christenhusz, Maarten J. M.; Conran, John G.; Guignard, Maite S.; Knapp, Sandra; Struebig, Monika; Leitch, Andrew R.; Chase, Mark W.
通讯作者	Chase, MW (corresponding author), Royal Bot Gardens, Richmond TW9 3AE, Surrey, England. ; Chase, MW (corresponding author), Curtin Univ, Dept Environm & Agr, Bentley, WA 6102, Australia.
来源期刊	BOTANICAL JOURNAL OF THE LINNEAN SOCIETY
ISSN	0024-4074
EISSN	1095-8339
出版年	2020
卷号	193 期号:4 页码:546-559
英文摘要	Nicotiana section Suaveolentes is the largest section of Nicotiana and is a monophyletic group of allotetraploid species. Most of the species are endemic to Australia, but three species occur on islands in the South Pacific as far east as French Polynesia and one species is native to Namibia. Here, we present phylogenetic results based on genome skimming, with near-complete taxon sampling and multiple accessions sampled for several species. These represent the first phylogenetic results for the section that include most recognized taxa, using wild-sourced material wherever possible. Despite known chromosome number and genome size changes in the section, there is little divergence in the ribosomal DNA operon (26S, 18. S and 5.8S plus associated spacers) and plastid genomes, with little to no taxonomic signal in plastome phylogenetic results and clear plastid-nuclear discordance. These results contrast with strong morphological differentiation (both floral and vegetative) between most of the core Australian taxa and obvious differences in ecological preferences. Together, these initial results portray Nicotiana section Suaveolentes as experiencing recent and ongoing radiation in the arid zone of Australia.
英文关键词	diversification genome skimming incomplete lineage sorting lag phase phylogenetics polyploidy plastome ribosomal DNA
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000611812900005
WOS关键词	SEQUENCE ALIGNMENT ; TAXA ; PHYLOGENY ; EVOLUTION ; DYNAMICS ; BLOCKS ; ORIGIN ; TREES
WOS类目	Plant Sciences
WOS研究方向	Plant Sciences
来源机构	University of London
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/348771
作者单位	[Dodsworth, Steven; Guignard, Maite S.; Struebig, Monika; Leitch, Andrew R.] Queen Mary Univ London, Sch Biol & Chem Sci, Mile End Rd, London E1 4NS, England; [Dodsworth, Steven] Univ Bedfordshire, Sch Life Sci, Univ Sq, Luton LU1 3JU, Beds, England; [Christenhusz, Maarten J. M.] Plant Gateway, 5 Talbot St, Hertford SG13 7BX, England; [Conran, John G.] Univ Adelaide, ACEBB & SGC, Sch Biol Sci, Benham Bldg DX 650 312, Adelaide, SA 5005, Australia; [Dodsworth, Steven; Chase, Mark W.] Royal Bot Gardens, Richmond TW9 3AE, Surrey, England; [Knapp, Sandra] Nat Hist Museum, Dept Life Sci, Cromwell Rd, London SW7 5BD, England; [Christenhusz, Maarten J. M.; Chase, Mark W.] Curtin Univ, Dept Environm & Agr, Bentley, WA 6102, Australia
推荐引用方式 GB/T 7714	Dodsworth, Steven,Christenhusz, Maarten J. M.,Conran, John G.,et al. Extensive plastid-nuclear discordance in a recent radiation of Nicotiana section Suaveolentes (Solanaceae)[J]. University of London,2020,193(4):546-559.
APA	Dodsworth, Steven.,Christenhusz, Maarten J. M..,Conran, John G..,Guignard, Maite S..,Knapp, Sandra.,...&Chase, Mark W..(2020).Extensive plastid-nuclear discordance in a recent radiation of Nicotiana section Suaveolentes (Solanaceae).BOTANICAL JOURNAL OF THE LINNEAN SOCIETY,193(4),546-559.
MLA	Dodsworth, Steven,et al."Extensive plastid-nuclear discordance in a recent radiation of Nicotiana section Suaveolentes (Solanaceae)".BOTANICAL JOURNAL OF THE LINNEAN SOCIETY 193.4(2020):546-559.