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Grass pollen surface ornamentation is diverse across the phylogeny: Evidence from northern South America and the global literature

文献类型：期刊论文

作者Wei, Cai-Xia5; Jardine, Phillip E.4; Mao, Li-Mi3; Mander, Luke2; Li, Mao1; Gosling, William D.5; Hoorn, Carina5
刊名JOURNAL OF SYSTEMATICS AND EVOLUTION
出版日期2023-09-27
页码15
ISSN号1674-4918
关键词computational analysis exine grass phylogeny pollen morphology quantitative analysis
DOI10.1111/jse.13021
通讯作者Wei, Cai-Xia(caixiawei1994@gmail.com)
英文摘要The grasses are one of the most diverse plant families on Earth. However, their classification and evolutionary history are obscured by their pollen stenopalynous (similar) morphology. A combination of high-resolution imaging of pollen surface ornamentation and computational analysis has previously been proposed as a promising tool to classify grass taxonomic boundaries. In this study, we test this hypothesis by studying Poaceae pollen across the phylogeny from plants collected in northern South America and also from published literature across the globe. We assessed if morphotypes that we establish using descriptive terminology are supported by computational analysis, if they vary along six (a)biotic variables and vary across the phylogeny. Based on this analysis, we constructed a reference framework for pollen surface ornamentation morphotypes. Our results showed that there is a wide variation of grass pollen surface ornamentation. We identified nine new and confirmed six known morphotypes, establishing a data set for 223 species (243 individual plant specimens) that represent 11 subfamilies. Computational analysis showed that our morphotypes are well-supported by two quantitative features of pollen sculptural elements (size and density). The specific data set and mapping of the phylogeny confirmed that pollen morphological sculpture is unrelated to (a)biotic variables and is diverse across the phylogeny. Pollen surface ornamentation shows a high diversity across the Poaceae phylogeny. The different colors and the number of symbols (square or circle) in the grid show the distribution of the 15-grass pollen morphotypes identified for each specimen in each subfamily.image
WOS关键词C-4 PHOTOSYNTHESIS ; POACEAE POLLEN ; EVOLUTIONARY ; MORPHOLOGY ; ORBICULES ; PANICOIDEAE ; HISTORY
资助项目We thank Marnel Scherrenberg (Naturalis Biodiversity Center) for specimen collection, especially during the COVID-19 pandemic; Henry Hooghiemstra (University of Amsterdam) for pollen collection from anthers; Annemarie Philip (University of Amsterdam) for p ; China Scholarship Council (CSC) grant ; IBED, University of Amsterdam[443701866] ; IBED, University of Amsterdam[XDB26000000] ; IBED, University of Amsterdam[41877437] ; Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) ; (Nanjing Institute of Geology and Paleontology, Chinese Academy of Sciences, Nanjing, China)
WOS研究方向Plant Sciences
语种英语
出版者WILEY
WOS记录号WOS:001071011300001
资助机构We thank Marnel Scherrenberg (Naturalis Biodiversity Center) for specimen collection, especially during the COVID-19 pandemic; Henry Hooghiemstra (University of Amsterdam) for pollen collection from anthers; Annemarie Philip (University of Amsterdam) for p ; China Scholarship Council (CSC) grant ; IBED, University of Amsterdam ; Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) ; (Nanjing Institute of Geology and Paleontology, Chinese Academy of Sciences, Nanjing, China)
源URL[http://ir.nigpas.ac.cn/handle/332004/42739]  
专题中国科学院南京地质古生物研究所
通讯作者Wei, Cai-Xia
作者单位1.Donald Danforth Plant Sci Ctr, St Louis, MI USA
2.Open Univ, Dept Environm Earth & Ecosyst, Milton Keynes, England
3.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing, Peoples R China
4.Univ Munster, Inst Geol & Palaeontol, D-48143 Munster, Germany
5.Univ Amsterdam, Inst Biodivers & Ecosyst Dynam, Amsterdam, Netherlands
推荐引用方式
GB/T 7714		 Wei, Cai-Xia,Jardine, Phillip E.,Mao, Li-Mi,et al. Grass pollen surface ornamentation is diverse across the phylogeny: Evidence from northern South America and the global literature[J]. JOURNAL OF SYSTEMATICS AND EVOLUTION,2023:15.
APA Wei, Cai-Xia.,Jardine, Phillip E..,Mao, Li-Mi.,Mander, Luke.,Li, Mao.,...&Hoorn, Carina.(2023).Grass pollen surface ornamentation is diverse across the phylogeny: Evidence from northern South America and the global literature.JOURNAL OF SYSTEMATICS AND EVOLUTION,15.
MLA Wei, Cai-Xia,et al."Grass pollen surface ornamentation is diverse across the phylogeny: Evidence from northern South America and the global literature".JOURNAL OF SYSTEMATICS AND EVOLUTION (2023):15.

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来源：南京地质古生物研究所

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