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A well-supported nuclear phylogeny of Poaceae and implications for the evolution of C4 photosynthesis

Molecular Plant 2022年第4期15卷 755-777页

作者： Weichen Huang Lin Zhang JTravis Columbus Yi Hu Yiyong Zhao Lin Tang Zhenhua Guo Wenli Chen Michael McKain madelaine Bartlett Chien-Hsun Huang De-Zhu Li Song Ge hong ma department of biology 510 Mueller LaboratoryHuck Institutes of the Life SciencesThe Pennsylvania State UniversityUniversity ParkState CollegePA 16802USA Ministry of Education Key laboratory for Biodiversity Science and Ecological Engineering and state Key laboratory of Genetic Engineering Institute of Biodiversity Sciences and Institute of Plant BiologySchool of Life SciencesFudan University2005 Songhu RoadShanghai 200438China Rancho Santa Ana Botanic Garden and Claremont Graduate university 1500 North College AvenueClaremontCA 91711USA College of life sciences Zhejiang UniversityHangzhouZhejiang 310058China Plant Germplasm and Genomics Center Germplasm Bank of Wild SpeciesKunming Institute of BotanyChinese Academy of SciencesKunmingYunnan 650201 China state Key laboratory of Systematic and Evolutionary Botany Institute of BotanyChinese Academy of SciencesBeijing 100093China department of Biological sciences University of Alabama411 Mary Harmon Bryant HallTuscaloosaAL 35487USA biology department University of Massachusetts Amherst611 North Pleasant Street221 Morrill 3AmherstMA 01003 USA

Poaceae(the grasses)includes rice,maize,wheat,and other crops,and is the most economically important angiosperm *** is also one of the largest plant families,consisting of over 11000 species with a global distribution that contributes to diverse *** species are classified into 12 subfamilies,with generally strong phylogenetic support for their ***,many relationships within subfamilies,among tribes and/or subtribes,remain *** better resolve the Poaceae phylogeny,we generated 342 transcriptomic and seven genomic datasets;these were combined with other genomic and transcriptomic datasets to provide sequences for 357 Poaceae species in 231 genera,representing 45 tribes and all 12 *** 1200 low-copy nuclear genes were retrieved from these datasets,with several subsets obtained using additional criteria,and used for coalescent analyses to reconstruct a Poaceae *** results strongly support the monophyly of 11 subfamilies;however,the subfamily Puelioideae was separated into two non-sister clades,one for each of the two previously defined tribes,supporting a hypothesis that places each tribe in a separate *** clock analyses estimated the crown age of Poaceae to be101 million years *** character reconstruction of C3/C4 photosynthesis supports the hypothesis of multiple independent origins of C4 *** origins are further supported by phylogenetic analysis of the ppc gene family that encodes the phosphoenolpyruvate carboxylase,which suggests that members of three paralogous subclades(ppc-aL1a,ppc-aL1b,and ppcB2)were recruited as functional C4 ppc *** study provides valuable resources and a robust phylogenetic framework for evolutionary analyses of the grass family.

关键词： Gramineae transcriptome nuclear phylogeny molecular clock C4 photosynthesis ppc gene evolution

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Nuclear phylogeny and insights into wholegenome duplications and reproductive development of Solanaceae plants

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Plant Communications 2023年第4期4卷 301-322页

作者： Jie Huang Weibin Xu Junwen Zhai Yi Hu Jing Guo Caifei Zhang Yiyong Zhao Lin Zhang Christopher martine hong ma Chien-Hsun Huang state Key laboratory of Genetic Engineering and Collaborative Innovation Center of Genetics and Development Ministry of Education Key Laboratory of Biodiversity and Ecological EngineeringInstitute of Plant BiologyCenter of Evolutionary BiologySchool of Life SciencesFudan UniversityShanghai 200438China Guangxi Key laboratory of Plant Conservation and Restoration Ecology in Karst Terrain Guangxi Institute of BotanyGuangxi Zhuangzu Autonomous Region and Chinese Academy of SciencesGuilin 541006China Key laboratory of National Forestry and Grassland Administration for Orchid Conservation and Utilization Fujian Agriculture and Forestry UniversityFuzhou 350002China department of biology the Huck Institutes of Life Sciencesthe Pennsylvania State UniversityUniversity ParkState CollegePA 16802USA department of biology Bucknell UniversityLewisburgPA 17837USA

Solanaceae,the nightshade family,have2700 species,including the important crops potato and tomato,ornamentals,and medicinal *** sequenced Solanaceae genomes show evidence for wholegenome duplication(WGD),providing an excellent opportunity to investigate WGD and its ***,we generated 93 transcriptomes/genomes and combined them with 87 public datasets,for a total of 180 Solanaceae species representing all four subfamilies and 14 of 15 *** 1700 nuclear genes from these transcriptomic/genomic datasets were used to reconstruct a highly resolved Solanaceae phylogenetic tree with six major *** Solanaceae tree supports four previously recognized subfamilies(Goetzeioideae,Cestroideae,Nicotianoideae,and Solanoideae)and the designation of three other subfamilies(Schizanthoideae,Schwenckioideae,and Petunioideae),with the placement of several previously unassigned *** placed a Solanaceae-specific whole-genome triplication(WGT1)at81 million years ago(mya),before the divergence of Schizanthoideae from other Solanaceae subfamilies at73 *** addition,we detected two gene duplication bursts(GDBs)supporting proposed WGD events and four other *** investigation of the evolutionary histories of homologs of carpel and fruit developmental genes in 14 gene(sub)families revealed that 21 gene clades have retained gene *** were likely generated by the Solanaceae WGT1 and may have promoted fleshy fruit *** study presents a well-resolved Solanaceae phylogeny and a new perspective on retained gene duplicates and carpel/fruit development,providing an improved understanding of Solanaceae evolution.

关键词： Solanaceae phylogeny transcriptome carpel and fruit development whole-genome duplication

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水稻叶状颖壳突变体Oslh的遗传分析和OsLH基因的定位

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植物生理与分子生物学学报 2005年第6期31卷 594-598页

作者：储黄伟刘海生李晖王红梅韦嘉励李娜丁淑燕黄海马红黄潮锋罗达袁政刘文轩张大兵上海交通大学生命科学技术学院中国科学院上海生命科学研究院植物生理生态研究所 department of biology Huck Institute of Life SciencesPennsylvania State UniversityUniversity ParkPennsylvania 16802USA 上海大学生命科学学院

通过γ射线诱变,从粳稻品种9522的M2代中筛选出一株具有叶状颖壳的突变体,定名Oslh(lh=leafyhull)。Oslh突变体的开花时间要比野生型晚15d左右,内外稃和浆片发育成了叶片状器官。Oslh突变体与粳稻品种9522回交结果表明Oslh突变性状可能... 详细信息

通过γ射线诱变,从粳稻品种9522的M2代中筛选出一株具有叶状颖壳的突变体,定名Oslh(lh=leafyhull)。Oslh突变体的开花时间要比野生型晚15d左右,内外稃和浆片发育成了叶片状器官。Oslh突变体与粳稻品种9522回交结果表明Oslh突变性状可能由单核基因隐性突变造成。以Oslh突变体与籼稻品种广陆矮4号杂交的F2代群体为基因定位群体,利用SSR和InDel分子标记将Oslh突变位点定位在3号染色体上的SSR标记RM5475和InDel标记GY305之间,遗传距离分别为2.5cM和1.9cM。这些结果为克隆OsLH基因和研究花器官发育的调控机理奠定了基础。

关键词：水稻(Oryza sativa L.) 花器官叶状颖壳突变体基因定位

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