The First Eight Mitogenomes of Leaf-Mining Dactylispa Beetles (Coleoptera: Chrysomelidae: Cassidinae) Shed New Light on Subgenus Relationships

The taxonomic classification of Dactylispa, a large genus of leaf-mining beetles, is problematic because it is currently based on morphology alone. Here, the first eight mitochondrial genomes of Dactylispa species, which were used to construct the first molecula...

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Autores principales:	Shengdi Zhang, Lukáš Sekerka, Chengqing Liao, Chengpeng Long, Jiasheng Xu, Xiaohua Dai, Qingyun Guo
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	<i>Triplispa</i> <i>Platypriella</i> mitochondrial genome phylogenetic tree host plant body shape Science Q
Acceso en línea:	https://doaj.org/article/daff14cc5b0447639fb6bcd6fb1817b0
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spelling	oai:doaj.org-article:daff14cc5b0447639fb6bcd6fb1817b02021-11-25T17:59:35ZThe First Eight Mitogenomes of Leaf-Mining <i>Dactylispa</i> Beetles (Coleoptera: Chrysomelidae: Cassidinae) Shed New Light on Subgenus Relationships10.3390/insects121110052075-4450https://doaj.org/article/daff14cc5b0447639fb6bcd6fb1817b02021-11-01T00:00:00Zhttps://www.mdpi.com/2075-4450/12/11/1005https://doaj.org/toc/2075-4450The taxonomic classification of <i>Dactylispa</i>, a large genus of leaf-mining beetles, is problematic because it is currently based on morphology alone. Here, the first eight mitochondrial genomes of <i>Dactylispa</i> species, which were used to construct the first molecular phylogenies of this genus, are reported. The lengths of the eight mitogenomes range from 17,189 bp to 20,363 bp. All of the mitochondrial genomes include 13 protein-coding genes (PCGs), 22 transfer RNA genes (tRNAs), 2 ribosomal RNA genes (rRNAs), and 1 A + T-rich region. According to the nonsynonymous/synonymous mutation ratio (Ka/Ks) of all PCGs, the highest and the lowest evolutionary rates were found for atp8 and cox1, respectively, which is a common phenomenon among animals. According to relative synonymous codon usage, UUA(L) has the highest frequency. With two Gonophorini species as the outgroup, mitogenome-based phylogenetic trees of the eight <i>Dactylispa</i> species were constructed using maximum likelihood (ML) and Bayesian inference (BI) methods based on the PCGs, tRNAs, and rRNAs. Two DNA-based phylogenomic inferences and one protein-based phylogenomic inference support the delimitation of the subgenera <i>Dactylispa s. str</i>. and <i>Platypriella</i> as proposed in the system of Chen et al. (1986). However, the subgenus <i>Triplispa</i> is not recovered as monophyletic. The placement of <i>Triplispa</i> species requires further verification and testing with more species. We also found that both adult body shape and host plant relationship might explain the subgeneric relationships among <i>Dactylispa</i> beetles to a certain degree.Shengdi ZhangLukáš SekerkaChengqing LiaoChengpeng LongJiasheng XuXiaohua DaiQingyun GuoMDPI AGarticle<i>Triplispa</i><i>Platypriella</i>mitochondrial genomephylogenetic treehost plantbody shapeScienceQENInsects, Vol 12, Iss 1005, p 1005 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	<i>Triplispa</i> <i>Platypriella</i> mitochondrial genome phylogenetic tree host plant body shape Science Q
spellingShingle	<i>Triplispa</i> <i>Platypriella</i> mitochondrial genome phylogenetic tree host plant body shape Science Q Shengdi Zhang Lukáš Sekerka Chengqing Liao Chengpeng Long Jiasheng Xu Xiaohua Dai Qingyun Guo The First Eight Mitogenomes of Leaf-Mining <i>Dactylispa</i> Beetles (Coleoptera: Chrysomelidae: Cassidinae) Shed New Light on Subgenus Relationships
description	The taxonomic classification of <i>Dactylispa</i>, a large genus of leaf-mining beetles, is problematic because it is currently based on morphology alone. Here, the first eight mitochondrial genomes of <i>Dactylispa</i> species, which were used to construct the first molecular phylogenies of this genus, are reported. The lengths of the eight mitogenomes range from 17,189 bp to 20,363 bp. All of the mitochondrial genomes include 13 protein-coding genes (PCGs), 22 transfer RNA genes (tRNAs), 2 ribosomal RNA genes (rRNAs), and 1 A + T-rich region. According to the nonsynonymous/synonymous mutation ratio (Ka/Ks) of all PCGs, the highest and the lowest evolutionary rates were found for atp8 and cox1, respectively, which is a common phenomenon among animals. According to relative synonymous codon usage, UUA(L) has the highest frequency. With two Gonophorini species as the outgroup, mitogenome-based phylogenetic trees of the eight <i>Dactylispa</i> species were constructed using maximum likelihood (ML) and Bayesian inference (BI) methods based on the PCGs, tRNAs, and rRNAs. Two DNA-based phylogenomic inferences and one protein-based phylogenomic inference support the delimitation of the subgenera <i>Dactylispa s. str</i>. and <i>Platypriella</i> as proposed in the system of Chen et al. (1986). However, the subgenus <i>Triplispa</i> is not recovered as monophyletic. The placement of <i>Triplispa</i> species requires further verification and testing with more species. We also found that both adult body shape and host plant relationship might explain the subgeneric relationships among <i>Dactylispa</i> beetles to a certain degree.
format	article
author	Shengdi Zhang Lukáš Sekerka Chengqing Liao Chengpeng Long Jiasheng Xu Xiaohua Dai Qingyun Guo
author_facet	Shengdi Zhang Lukáš Sekerka Chengqing Liao Chengpeng Long Jiasheng Xu Xiaohua Dai Qingyun Guo
author_sort	Shengdi Zhang
title	The First Eight Mitogenomes of Leaf-Mining <i>Dactylispa</i> Beetles (Coleoptera: Chrysomelidae: Cassidinae) Shed New Light on Subgenus Relationships
title_short	The First Eight Mitogenomes of Leaf-Mining <i>Dactylispa</i> Beetles (Coleoptera: Chrysomelidae: Cassidinae) Shed New Light on Subgenus Relationships
title_full	The First Eight Mitogenomes of Leaf-Mining <i>Dactylispa</i> Beetles (Coleoptera: Chrysomelidae: Cassidinae) Shed New Light on Subgenus Relationships
title_fullStr	The First Eight Mitogenomes of Leaf-Mining <i>Dactylispa</i> Beetles (Coleoptera: Chrysomelidae: Cassidinae) Shed New Light on Subgenus Relationships
title_full_unstemmed	The First Eight Mitogenomes of Leaf-Mining <i>Dactylispa</i> Beetles (Coleoptera: Chrysomelidae: Cassidinae) Shed New Light on Subgenus Relationships
title_sort	first eight mitogenomes of leaf-mining <i>dactylispa</i> beetles (coleoptera: chrysomelidae: cassidinae) shed new light on subgenus relationships
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/daff14cc5b0447639fb6bcd6fb1817b0
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The First Eight Mitogenomes of Leaf-Mining <i>Dactylispa</i> Beetles (Coleoptera: Chrysomelidae: Cassidinae) Shed New Light on Subgenus Relationships

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