Mitochondrial genomes of two Australian fishflies with an evolutionary timescale of Chauliodinae

Abstract Fishflies (Corydalidae: Chauliodinae) with a total of ca. 130 extant species are one of the major groups of the holometabolous insect order Megaloptera. As a group which originated during the Mesozoic, the phylogeny and historical biogeography of fishflies are of high interest. The previous...

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Autores principales:	Fan Yang, Yunlan Jiang, Ding Yang, Xingyue Liu
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/1de7097a88db4727a59278d8d2512129
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spelling	oai:doaj.org-article:1de7097a88db4727a59278d8d25121292021-12-02T16:06:20ZMitochondrial genomes of two Australian fishflies with an evolutionary timescale of Chauliodinae10.1038/s41598-017-04799-y2045-2322https://doaj.org/article/1de7097a88db4727a59278d8d25121292017-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-04799-yhttps://doaj.org/toc/2045-2322Abstract Fishflies (Corydalidae: Chauliodinae) with a total of ca. 130 extant species are one of the major groups of the holometabolous insect order Megaloptera. As a group which originated during the Mesozoic, the phylogeny and historical biogeography of fishflies are of high interest. The previous hypothesis on the evolutionary history of fishflies was based primarily on morphological data. To further test the existing phylogenetic relationships and to understand the divergence pattern of fishflies, we conducted a molecule-based study. We determined the complete mitochondrial (mt) genomes of two Australian fishfly species, Archichauliodes deceptor Kimmins, 1954 and Protochauliodes biconicus Kimmins, 1954, both members of a major subgroup of Chauliodinae with high phylogenetic significance. A phylogenomic analysis was carried out based on 13 mt protein coding genes (PCGs) and two rRNAs genes from the megalopteran species with determined mt genomes. Both maximum likelihood and Bayesian inference analyses recovered the Dysmicohermes clade as the sister group of the Archichauliodes clade + the Protochauliodes clade, which is consistent with the previous morphology-based hypothesis. The divergence time estimation suggested that the divergence among the three major subgroups of fishflies occurred during the Late Jurassic and Early Cretaceous when the supercontinent Pangaea was undergoing sequential breakup.Fan YangYunlan JiangDing YangXingyue LiuNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-13 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Fan Yang Yunlan Jiang Ding Yang Xingyue Liu Mitochondrial genomes of two Australian fishflies with an evolutionary timescale of Chauliodinae
description	Abstract Fishflies (Corydalidae: Chauliodinae) with a total of ca. 130 extant species are one of the major groups of the holometabolous insect order Megaloptera. As a group which originated during the Mesozoic, the phylogeny and historical biogeography of fishflies are of high interest. The previous hypothesis on the evolutionary history of fishflies was based primarily on morphological data. To further test the existing phylogenetic relationships and to understand the divergence pattern of fishflies, we conducted a molecule-based study. We determined the complete mitochondrial (mt) genomes of two Australian fishfly species, Archichauliodes deceptor Kimmins, 1954 and Protochauliodes biconicus Kimmins, 1954, both members of a major subgroup of Chauliodinae with high phylogenetic significance. A phylogenomic analysis was carried out based on 13 mt protein coding genes (PCGs) and two rRNAs genes from the megalopteran species with determined mt genomes. Both maximum likelihood and Bayesian inference analyses recovered the Dysmicohermes clade as the sister group of the Archichauliodes clade + the Protochauliodes clade, which is consistent with the previous morphology-based hypothesis. The divergence time estimation suggested that the divergence among the three major subgroups of fishflies occurred during the Late Jurassic and Early Cretaceous when the supercontinent Pangaea was undergoing sequential breakup.
format	article
author	Fan Yang Yunlan Jiang Ding Yang Xingyue Liu
author_facet	Fan Yang Yunlan Jiang Ding Yang Xingyue Liu
author_sort	Fan Yang
title	Mitochondrial genomes of two Australian fishflies with an evolutionary timescale of Chauliodinae
title_short	Mitochondrial genomes of two Australian fishflies with an evolutionary timescale of Chauliodinae
title_full	Mitochondrial genomes of two Australian fishflies with an evolutionary timescale of Chauliodinae
title_fullStr	Mitochondrial genomes of two Australian fishflies with an evolutionary timescale of Chauliodinae
title_full_unstemmed	Mitochondrial genomes of two Australian fishflies with an evolutionary timescale of Chauliodinae
title_sort	mitochondrial genomes of two australian fishflies with an evolutionary timescale of chauliodinae
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/1de7097a88db4727a59278d8d2512129
work_keys_str_mv	AT fanyang mitochondrialgenomesoftwoaustralianfishflieswithanevolutionarytimescaleofchauliodinae AT yunlanjiang mitochondrialgenomesoftwoaustralianfishflieswithanevolutionarytimescaleofchauliodinae AT dingyang mitochondrialgenomesoftwoaustralianfishflieswithanevolutionarytimescaleofchauliodinae AT xingyueliu mitochondrialgenomesoftwoaustralianfishflieswithanevolutionarytimescaleofchauliodinae
_version_	1718385009654497280

Mitochondrial genomes of two Australian fishflies with an evolutionary timescale of Chauliodinae

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