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Genome size variation among and within Ophiopogoneae species by flow cytometric analysis
Wang, GY (Wang, Guangyan)1,2,3,4,5; Meng, Y (Meng, Ying)2,3; Yang, YP (Yang, Yongping)2,3,4; Yang, YP
Source PublicationBRAZILIAN JOURNAL OF BOTANY
2017
Volume40Issue:2Pages:529-537
DOI10.1007/s40415-016-0358-8
AbstractGenome size variation in a taxonomic group reflects evolutionary processes. DNA contents of Ophiopogoneae (40 populations of 31 species) were estimated by flow cytometry. Ploidy levels of Ophiopogon (ten species), Liriope (two species), and Peliosanthes (three species) were determined based on the DNA contents. The genus Peliosanthes showed significant larger genome sizes than Ophiopogon (P < 0.01), and Ophiopogon also significant larger than Liriope (P < 0.05). Intraspecific variation in genome size was mainly chromosome difference. The ITS sequence phylogeny splitted Ophiopogon into two clades, clade I comprising sect. Ophiopogon with diploids and tetraploids, and clade II including transitional species and sects. Ophiopogon and Peliosanthoides with diploids. The trend seemed to increase in genome size from Ophiopogon sect. Peliosanthoides (13.45 pg) to Ophiopogon sect. Ophiopogon (14.27 pg). Polyploidization may be evolutionary direction of Ophiopogon. Our results also suggested that the 'increase' hypothesis for genome size evolutionary may hold true in the genus Ophiopogon.
Subject Area植物学
WOS IDWOS:000405085900016
Language英语
Indexed BySCI
KeywordNUCLEAR-DNA CONTENT FLOWERING PLANTS C-VALUES INTRASPECIFIC VARIATION CHROMOSOME-NUMBERS EVOLUTION ANGIOSPERMS MODEL POPULATIONS MECHANISMS
WOS Research AreaPlant Sciences
WOS SubjectPlant Sciences ; Plant Sciences
Cooperation Status国内
Citation statistics
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/8200
Collection图书馆
Corresponding AuthorYang, YP
Affiliation1.Anqing Normal Univ, Prov Key Lab Biodivers Study & Ecol Conservat Sou, Sch Life Sci, Anqing 246133, Anhui, Peoples R China.
2.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Div & Biogeog East Asia, Kunming 650201, Yunnan, Peoples R China.
3.Chinese Acad Sci, Kunming Inst Bot, Plant Germplasm & Genom Ctr, Germplasm Bank Wild Species, Kunming 650201, Yunnan, Peoples R China.
4.Chinese Acad Sci, Kunming Inst Bot, Inst Tibetan Plateau Res Kunming, Kunming 650201, Yunnan, Peoples R China.
5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China.
Recommended Citation
GB/T 7714
Wang, GY ,Meng, Y ,Yang, YP ,et al. Genome size variation among and within Ophiopogoneae species by flow cytometric analysis[J]. BRAZILIAN JOURNAL OF BOTANY,2017,40(2):529-537.
APA Wang, GY ,Meng, Y ,Yang, YP ,&Yang, YP.(2017).Genome size variation among and within Ophiopogoneae species by flow cytometric analysis.BRAZILIAN JOURNAL OF BOTANY,40(2),529-537.
MLA Wang, GY ,et al."Genome size variation among and within Ophiopogoneae species by flow cytometric analysis".BRAZILIAN JOURNAL OF BOTANY 40.2(2017):529-537.
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