IHB OpenIR  > 鱼类生物学及渔业生物技术研究中心  > 期刊论文
Architectural instability, inverted skews and mitochondrial phylogenomics of Isopoda: outgroup choice affects the long-branch attraction artefacts
Zou, Hong1,2; Jakovlic, Ivan3; Zhang, Dong1,2,4; Hua, Cong-Jie1,2,5; Chen, Rong3; Li, Wen-Xiang1,2,4; Li, Ming1,2,4; Wang, Gui-Tang1,2,4
2020-02-05
Source PublicationROYAL SOCIETY OPEN SCIENCE
ISSN2054-5703
Volume7Issue:2Pages:13
Abstract

The majority strand of mitochondrial genomes of crustaceans usually exhibits negative GC skews. Most isopods exhibit an inversed strand asymmetry, believed to be a consequence of an inversion of the replication origin (ROI). Recently, we proposed that an additional ROI event in the common ancestor of Cymothoidae and Corallanidae families resulted in a double-inverted skew (negative GC), and that taxa with homoplastic skews cluster together in phylogenetic analyses (long-branch attraction, LBA). Herein, we further explore these hypotheses, for which we sequenced the mitogenome of Asotana magnifica (Cymothoidae), and tested whether our conclusions were biased by poor taxon sampling and inclusion of outgroups. (1) The new mitogenome also exhibits a double-inverted skew, which supports the hypothesis of an additional ROI event in the common ancestor of Cymothoidae and Corallanidae families. (2) It exhibits a unique gene order, which corroborates that isopods possess exceptionally destabilized mitogenomic architecture. (3) Improved taxonomic sampling failed to resolve skew-driven phylogenetic artefacts. (4) The use of a single outgroup exacerbated the LBA, whereas both the use of a large number of outgroups and complete exclusion of outgroups ameliorated it.

Keywordmitochondrial genome gene order origin of replication inversion Cymothoida GC skew
DOI10.1098/rsos.191887
Indexed BySCI
Language英语
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000511385100004
WOS KeywordPHYLOGENETIC POSITION ; SUBSTITUTION MODELS ; TERRESTRIAL ISOPODS ; DEEP-SEA ; GENOME ; CRUSTACEA ; GENES ; CYMOTHOIDAE ; PERACARIDA ; EVOLUTION
PublisherROYAL SOC
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/35153
Collection鱼类生物学及渔业生物技术研究中心_期刊论文
Corresponding AuthorWang, Gui-Tang
Affiliation1.Chinese Acad Sci, Minist Agr, Key Lab Aquaculture Dis Control, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China
3.Biotransduct Lab, Wuhan 430075, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
5.Jianghan Univ, Sch Med, Dept Pathogen Biol, Wuhan 430056, Peoples R China
Recommended Citation
GB/T 7714
Zou, Hong,Jakovlic, Ivan,Zhang, Dong,et al. Architectural instability, inverted skews and mitochondrial phylogenomics of Isopoda: outgroup choice affects the long-branch attraction artefacts[J]. ROYAL SOCIETY OPEN SCIENCE,2020,7(2):13.
APA Zou, Hong.,Jakovlic, Ivan.,Zhang, Dong.,Hua, Cong-Jie.,Chen, Rong.,...&Wang, Gui-Tang.(2020).Architectural instability, inverted skews and mitochondrial phylogenomics of Isopoda: outgroup choice affects the long-branch attraction artefacts.ROYAL SOCIETY OPEN SCIENCE,7(2),13.
MLA Zou, Hong,et al."Architectural instability, inverted skews and mitochondrial phylogenomics of Isopoda: outgroup choice affects the long-branch attraction artefacts".ROYAL SOCIETY OPEN SCIENCE 7.2(2020):13.
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