Arid
DOI10.1016/j.rsma.2020.101546
Signals of adaptive mitogenomic evolution in an indigenous Cichlid, Etroplus suratensis (Bloch, 1790) from India
Sebastian, Wilson; Sukumaran, Sandhya; Gopalakrishnan, A.
通讯作者Sukumaran, S (corresponding author), Cent Marine Fisheries Res Inst, Marine Biotechnol Div, Ernakulam North PO, Kochi 682018, Kerala, India.
来源期刊REGIONAL STUDIES IN MARINE SCIENCE
ISSN2352-4855
出版年2020
卷号40
英文摘要Etroplus suratensis is one of the most important indigenous Cichlids of the Indian subcontinent exhibiting restricted distribution in the estuaries of peninsular India and Sri Lanka. Coastal pollution and climate change contribute to the deterioration of their habitats. Etroplus suratensis is widely distributed along estuaries and brackishwater lakes of India which make them ideal candidates for investigations on adaptation and selection on mitochondrial Oxidative Phosphorylation (OXPHOS) genes. We investigated the selection patterns in the OXPHOS system of E. suratensis by comparing OXPHOS genes of 105 fishes collected from different eco-regions in India. Signals of positive and diversifying selection observed in the mitogenomes were correlated with habitat characteristics. Habitat specific mutational signals observed have adaptive significance as the populations of the study represented humid tropical climatic zones constituting rainforests in the southwest, semi-arid zones in the southeast and humid subtropical zones in the northeast regions of India. Adaptation to these environmentally heterogeneous habitats generates genotypic and phenotypic variants with specific metabolic or bioenergetic requirements. The observed adaptive mitogenome evolution may be the imprints of this geographic variability, genetic drift and selective forces imparted by the distinctive ecoregions which form their habitats. (C) 2020 Elsevier B.V. All rights reserved.
英文关键词The mitochondrial genome Oxidative Phosphorylation (OXPHOS) Positive selection
类型Article
语种英语
收录类别SCI-E
WOS记录号WOS:000603374600011
WOS关键词CYTOCHROME-C-OXIDASE ; MITOCHONDRIAL GENOMES ; MOLECULAR EVOLUTION ; PURIFYING SELECTION ; NATURAL-SELECTION ; BC(1) COMPLEX ; HISTORY ; FISH ; ADAPTATION ; GENETICS
WOS类目Ecology ; Marine & Freshwater Biology
WOS研究方向Environmental Sciences & Ecology ; Marine & Freshwater Biology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/349153
作者单位[Sebastian, Wilson; Sukumaran, Sandhya; Gopalakrishnan, A.] Cent Marine Fisheries Res Inst, Marine Biotechnol Div, Ernakulam North PO, Kochi 682018, Kerala, India
推荐引用方式
GB/T 7714
Sebastian, Wilson,Sukumaran, Sandhya,Gopalakrishnan, A.. Signals of adaptive mitogenomic evolution in an indigenous Cichlid, Etroplus suratensis (Bloch, 1790) from India[J],2020,40.
APA Sebastian, Wilson,Sukumaran, Sandhya,&Gopalakrishnan, A..(2020).Signals of adaptive mitogenomic evolution in an indigenous Cichlid, Etroplus suratensis (Bloch, 1790) from India.REGIONAL STUDIES IN MARINE SCIENCE,40.
MLA Sebastian, Wilson,et al."Signals of adaptive mitogenomic evolution in an indigenous Cichlid, Etroplus suratensis (Bloch, 1790) from India".REGIONAL STUDIES IN MARINE SCIENCE 40(2020).
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