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Comparative Plastome Analysis of Root- and Stem-Feeding Parasites of Santalales Untangle the Footprints of Feeding Mode and Lifestyle Transitions
Chen, Xiaoli1,2; Fang, Dongming1,2; Wu, Chenyu1,2; Liu, Bing3; Liu, Yang4; Sahu, Sunil Kumar1,2; Song, Bo1,2; Yang, Shuai5; Yang, Tuo1; Wei, Jinpu1; Wang, Xuebing1; Zhang, Wen1; Xu, Qiwu1,6; Wang, Huafeng7; Yuan, Langxing7; Liao, Xuezhu1,2; Chen, Lipeng1,2; Chen, Ziqiang8; Yuan, Fu1,2; Chang, Yue1,2; Lu, Lihua9; Yang, Huanming1; Wang, Jian1; Xu, Xun1; Liu, Xin1,2; Wicke, Susann10; Liu, Huan1,2
2020
Source PublicationGENOME BIOLOGY AND EVOLUTION
ISSN1759-6653
Volume12Issue:1Pages:3663-3676
AbstractIn plants, parasitism triggers the reductive evolution of plastid genomes (plastomes). To disentangle the molecular evolutionary associations between feeding on other plants below- or aboveground and general transitions from facultative to obligate parasitism, we analyzed 34 complete plastomes of autotrophic, root- and stem-feeding hemiparasitic, and holoparasitic Santalales. We observed inexplicable losses of housekeeping genes and tRNAs in hemiparasites and dramatic genomic reconfiguration in holoparasitic Balanophoraceae, whose plastomes have exceptionally low GC contents. Genomic changes are related primarily to the evolution of hemi- or holoparasitism, whereas the transition from a root- to a stem-feeding mode plays no major role. In contrast, the rate of molecular evolution accelerates in a stepwise manner from autotrophs to root- and then stem-feeding parasites. Already the ancestral transition to root-parasitism coincides with a relaxation of selection in plastomes. Another significant selectional shift in plastid genes occurs as stem-feeders evolve, suggesting that this derived form coincides with trophic specialization despite the retention of photosynthetic capacity. Parasitic Santalales fill a gap in our understanding of parasitism-associated plastome degeneration. We reveal that lifestyle-genome associations unfold interdependently over trophic specialization and feeding mode transitions, where holoparasitic Balanophoraceae provide a system for exploring the functional realms of plastomes.
Keywordparasitic plants Santalales reductive plastome evolution selection feeding mode Balanophoraceae
Subject AreaEvolutionary Biology ; Genetics & Heredity
DOI10.1093/gbe/evz271
Indexed BySCI
Language英语
WOS KeywordCHLOROPLAST GENOME ; PHYSIOLOGICAL-ASPECTS ; SUBSTITUTION RATES ; EVOLUTION ; GENES ; MISTLETOES ; PLANTS ; REDUCTION ; ORIGINS ; TRANSCRIPTION
WOS Research AreaEvolutionary Biology ; Genetics & Heredity
WOS IDWOS:000522860800011
PublisherOXFORD UNIV PRESS
SubtypeArticle
Publication PlaceOXFORD
Funding OrganizationNational Key Research and Development Program of China [2019YFC1711000] ; Science, Technology and Innovation Commission of Shenzhen Municipality [JCYJ20160331150739027, JCYJ20170817145512476] ; Guangdong Provincial Key Laboratory of Genome Read and Write Grant [2017B030301011] ; German Science Foundation [DFG]German Research Foundation (DFG) [WI 4507/3]
Corresponding Author Emailsusann.wicke@uni-muenster.de ; liuhuan@genomics.cn
Citation statistics
Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ibcas.ac.cn/handle/2S10CLM1/21835
Collection系统与进化植物学国家重点实验室
Affiliation1.BGI Shenzhen, Shenzhen, Peoples R China
2.BGI Shenzhen, China Natl GeneBank, Shenzhen, Peoples R China
3.BGI Shenzhen, State Key Lab Agr Genom, Shenzhen, Peoples R China
4.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing, Peoples R China
5.Shenzhen & Chinese Acad Sci, Fairylake Bot Garden, Shenzhen, Peoples R China
6.Qingdao Univ, Sch Basic Med, Qingdao, Peoples R China
7.BGI Shenzhen, BGI Qingdao, Qingdao, Peoples R China
8.Hainan Univ, Inst Trop Agr & Forestry, Hainan Key Lab Sustainable Utilizat Trop Bioresou, Haikou, Hainan, Peoples R China
9.Jilin Agr Univ, Coll Chinese Med Mat, Jilin, Jilin, Peoples R China
10.BGI Shenzhen, MGI, Shenzhen, Peoples R China
11.Univ Munster, Inst Evolut & Biodivers, Munster, Germany
Recommended Citation
GB/T 7714
Chen, Xiaoli,Fang, Dongming,Wu, Chenyu,et al. Comparative Plastome Analysis of Root- and Stem-Feeding Parasites of Santalales Untangle the Footprints of Feeding Mode and Lifestyle Transitions[J]. GENOME BIOLOGY AND EVOLUTION,2020,12(1):3663-3676.
APA Chen, Xiaoli.,Fang, Dongming.,Wu, Chenyu.,Liu, Bing.,Liu, Yang.,...&Liu, Huan.(2020).Comparative Plastome Analysis of Root- and Stem-Feeding Parasites of Santalales Untangle the Footprints of Feeding Mode and Lifestyle Transitions.GENOME BIOLOGY AND EVOLUTION,12(1),3663-3676.
MLA Chen, Xiaoli,et al."Comparative Plastome Analysis of Root- and Stem-Feeding Parasites of Santalales Untangle the Footprints of Feeding Mode and Lifestyle Transitions".GENOME BIOLOGY AND EVOLUTION 12.1(2020):3663-3676.
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