Phylotranscriptomic insights into Asteraceae diversity,polyploidy,and morphological innovation

作     者：Caifei Zhang Chien‐Hsun Huang Mian Liu YiHu Jose L.Panero Federico Luebert Tiangang Gao Hong Ma Caifei Zhang;Chien-Hsun Huang;Mian Liu;Yi Hu;Jose L.Panero;Federico Luebert;Tiangang Gao;Hong Ma

作者机构：State Key Laboratory of Genetic Engineering and Collaborative Innovation Center of Genetics and DevelopmentMinistry of Education Key Laboratory of Biodiversity Sciences and Ecological EngineeringInstitute of Biodiversity SciencesInstitute of Plant BiologyCenter for Evolutionary BiologySchool of Life SciencesFudan UniversityShanghai 200438China Department of Biologythe Huck Institutes of the Life Sciencesthe Pennsylvania State UniversityUniversity ParkPennslyvania 16802USA Department of Integrative BiologyThe University of TexasUniversity Station C0930AustinTexas 78712USA Institut für Bodiversität der PflanzenUniversität BonnBonn D–53115Germany Department of Silviculture and Nature ConservationUniversity of ChileSantiago 9206Chile State Key Laboratory of Evolutionary and Systematic BotanyInstitute of Botanythe Chinese Academy of SciencesBeijing 100093China 

出 版 物：《Journal of Integrative Plant Biology》 (植物学报（英文版）)

年 卷 期：2021年第63卷第7期

页      面：1273-1293页

核心收录：

学科分类：090706[农学-园林植物与观赏园艺] 0907[农学-林学] 09[农学] 

基　　金：supported by funds from grants from the National Natural Science Foundation of China (Nos 31770242 and 31970224) the Biology Department and the Huck Institutes of the Life Sciences at the Pennsylvania State University 

主　　题：biodiversity compositae morphological characterevolution phylogeny transcriptome whole‐genome duplication 

摘      要：Biodiversity is not evenly distributed among relatedgroups,raising questions about the factors con-tributing to such *** sunflower family(Asteraceae,26,000 species)is among the largestand most diverse plant families,but its species di-versity is concentrated in a few subfamilies,pro-viding an opportunity to study the factors *** analyses here of244 transcriptomes and genomes produced a phy-logeny with strong support for the monophyly ofAsteraceae and the monophyly of most subfamiliesand *** phylogeny provides a reference fordetecting changes in diversification rates and pos-sible factors affecting Asteraceae diversity,whichinclude global climate shifts,whole‐genome dupli-cations(WGDs),and morphological *** of Asteraceae was estimated at~83 Mya,with most subfamilies having diverged before theCretaceous–Paleocene ***-scriptomic analyses supported the existence of 41WGDs in *** to herbaceousnessand capitulescence with multipleflower‐like capitula,often with distinctflorets and scaly pappus/re-ceptacular bracts,are associated with multiple up-shifts in diversification *** might have con-tributed to the survival of early Asteraceae byproviding new genetic materials to support mor-phological *** resulting competitive ad-vantage for adapting to different niches would haveincreased biodiversity in Asteraceae.