Concerted Evolution of Duplicate Control Regions in the Mitochondria of Species of the Flatfish Family Bothidae (Teleostei: Pleuronectiformes)
Li, Dong-He1; Shi, Wei1; Munroe, Thomas A.1; Gong, Li1; Kong, Xiao-Yu1; shiwei@scsio.ac.cn; xykong@scsio.ac.cn
2015
发表期刊PLOS ONE
卷号10期号:8页码:e0134580-
摘要Mitogenomes of flatfishes (Pleuronectiformes) exhibit the greatest diversity of gene rearrangements in teleostean fishes. Duplicate control regions (CRs) have been found in the mito-genomes of two flatfishes, Samariscus latus (Samaridae) and Laeops lanceolata (Bothidae), which is rare in teleosts. It has been reported that duplicate CRs have evolved in a concerted fashion in fishes and other animals, however, whether concerted evo-lution exists in flatfishes remains unknown. In this study, based on five newly sequenced and six previously reported mitogenomes of lefteye flounders in the Bothidae, we explored whether duplicate CRs and concerted evolution exist in these species. Results based on the present study and previous reports show that four out of eleven bothid species examined have duplicate CRs of their mitogenomes. The core regions of the duplicate CRs of mitogenomes in the same species have identical, or nearly identical, sequences when compared to each other. This pattern fits the typical characteristics of concerted evolution. Additionally, phylogenetic and ancestral state reconstruction analysis also provided evidence to support the hypothesis that duplicate CRs evolved concertedly. The core region of concerted evolution is situated at the conserved domains of the CR of the mitogenome from the termination associated sequences (TASs) to the conserved sequence blocks (CSBs). Commonly, this region is con-sidered to regulate mitochondrial replication and transcription. Thus, we hypothesize that the cause of concerted evolution of the duplicate CRs in the mtDNAs of these four bothids may be related to some function of the conserved sequences of the CRs during mitochondrial rep-lication and transcription. We hope our results will provide fresh insight into the molecular mechanisms related to replication and evolution of mitogenomes.
部门归属LMB
学科领域Science & Technology - Other Topics
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文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/14790
专题中科院海洋生物资源可持续利用重点实验室
通讯作者shiwei@scsio.ac.cn; xykong@scsio.ac.cn
作者单位1.[Li, Dong-He
2.Shi, Wei
3.Gong, Li
4.Kong, Xiao-Yu] Chinese Acad Sci, Key Lab Trop Marine Bio resources & Ecol, South China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China
5.[Li, Dong-He
6.Shi, Wei
7.Gong, Li
8.Kong, Xiao-Yu] Chinese Acad Sci, Guangdong Prov Key Lab Appl Marine Biol, South China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China
9.[Li, Dong-He
10.Shi, Wei
11.Gong, Li] South China Sea Bioresource Exploitat & Utilizat, Guangzhou 510301, Guangdong, Peoples R China
12.[Li, Dong-He
13.Gong, Li] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
14.[Munroe, Thomas A.] NOAA, Natl Systemat Lab NMFS, Smithsonian Inst NHB, Washington, DC 20013 USA
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Li, Dong-He,Shi, Wei,Munroe, Thomas A.,et al. Concerted Evolution of Duplicate Control Regions in the Mitochondria of Species of the Flatfish Family Bothidae (Teleostei: Pleuronectiformes)[J]. PLOS ONE,2015,10(8):e0134580-.
APA Li, Dong-He.,Shi, Wei.,Munroe, Thomas A..,Gong, Li.,Kong, Xiao-Yu.,...&xykong@scsio.ac.cn.(2015).Concerted Evolution of Duplicate Control Regions in the Mitochondria of Species of the Flatfish Family Bothidae (Teleostei: Pleuronectiformes).PLOS ONE,10(8),e0134580-.
MLA Li, Dong-He,et al."Concerted Evolution of Duplicate Control Regions in the Mitochondria of Species of the Flatfish Family Bothidae (Teleostei: Pleuronectiformes)".PLOS ONE 10.8(2015):e0134580-.
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