Comparative analysis of the mitochondrial genomes of Callitettixini Spittlebugs (Hemiptera: Cercopidae) confirms the overall high evolutionary speed of the AT-rich region but reveals the presence of short conservative elements at the tribal level.

The present study compares the mitochondrial genomes of five species of the spittlebug tribe Callitettixini (Hemiptera: Cercopoidea: Cercopidae) from eastern Asia. All genomes of the five species sequenced are circular double-stranded DNA molecules and range from 15,222 to 15,637 bp in length. They...

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Autores principales:	Jie Liu, Cuiping Bu, Benjamin Wipfler, Aiping Liang
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2014
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/dbaaab397cb445e181b8fdd4d994d78d
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spelling	oai:doaj.org-article:dbaaab397cb445e181b8fdd4d994d78d2021-11-25T05:57:54ZComparative analysis of the mitochondrial genomes of Callitettixini Spittlebugs (Hemiptera: Cercopidae) confirms the overall high evolutionary speed of the AT-rich region but reveals the presence of short conservative elements at the tribal level.1932-620310.1371/journal.pone.0109140https://doaj.org/article/dbaaab397cb445e181b8fdd4d994d78d2014-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0109140https://doaj.org/toc/1932-6203The present study compares the mitochondrial genomes of five species of the spittlebug tribe Callitettixini (Hemiptera: Cercopoidea: Cercopidae) from eastern Asia. All genomes of the five species sequenced are circular double-stranded DNA molecules and range from 15,222 to 15,637 bp in length. They contain 22 tRNA genes, 13 protein coding genes (PCGs) and 2 rRNA genes and share the putative ancestral gene arrangement of insects. The PCGs show an extreme bias of nucleotide and amino acid composition. Significant differences of the substitution rates among the different genes as well as the different codon position of each PCG are revealed by the comparative evolutionary analyses. The substitution speeds of the first and second codon position of different PCGs are negatively correlated with their GC content. Among the five species, the AT-rich region features great differences in length and pattern and generally shows a 2-5 times higher substitution rate than the fastest PCG in the mitochondrial genome, atp8. Despite the significant variability in length, short conservative segments were identified in the AT-rich region within Callitettixini, although absent from the other groups of the spittlebug superfamily Cercopoidea.Jie LiuCuiping BuBenjamin WipflerAiping LiangPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 9, Iss 10, p e109140 (2014)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Jie Liu Cuiping Bu Benjamin Wipfler Aiping Liang Comparative analysis of the mitochondrial genomes of Callitettixini Spittlebugs (Hemiptera: Cercopidae) confirms the overall high evolutionary speed of the AT-rich region but reveals the presence of short conservative elements at the tribal level.
description	The present study compares the mitochondrial genomes of five species of the spittlebug tribe Callitettixini (Hemiptera: Cercopoidea: Cercopidae) from eastern Asia. All genomes of the five species sequenced are circular double-stranded DNA molecules and range from 15,222 to 15,637 bp in length. They contain 22 tRNA genes, 13 protein coding genes (PCGs) and 2 rRNA genes and share the putative ancestral gene arrangement of insects. The PCGs show an extreme bias of nucleotide and amino acid composition. Significant differences of the substitution rates among the different genes as well as the different codon position of each PCG are revealed by the comparative evolutionary analyses. The substitution speeds of the first and second codon position of different PCGs are negatively correlated with their GC content. Among the five species, the AT-rich region features great differences in length and pattern and generally shows a 2-5 times higher substitution rate than the fastest PCG in the mitochondrial genome, atp8. Despite the significant variability in length, short conservative segments were identified in the AT-rich region within Callitettixini, although absent from the other groups of the spittlebug superfamily Cercopoidea.
format	article
author	Jie Liu Cuiping Bu Benjamin Wipfler Aiping Liang
author_facet	Jie Liu Cuiping Bu Benjamin Wipfler Aiping Liang
author_sort	Jie Liu
title	Comparative analysis of the mitochondrial genomes of Callitettixini Spittlebugs (Hemiptera: Cercopidae) confirms the overall high evolutionary speed of the AT-rich region but reveals the presence of short conservative elements at the tribal level.
title_short	Comparative analysis of the mitochondrial genomes of Callitettixini Spittlebugs (Hemiptera: Cercopidae) confirms the overall high evolutionary speed of the AT-rich region but reveals the presence of short conservative elements at the tribal level.
title_full	Comparative analysis of the mitochondrial genomes of Callitettixini Spittlebugs (Hemiptera: Cercopidae) confirms the overall high evolutionary speed of the AT-rich region but reveals the presence of short conservative elements at the tribal level.
title_fullStr	Comparative analysis of the mitochondrial genomes of Callitettixini Spittlebugs (Hemiptera: Cercopidae) confirms the overall high evolutionary speed of the AT-rich region but reveals the presence of short conservative elements at the tribal level.
title_full_unstemmed	Comparative analysis of the mitochondrial genomes of Callitettixini Spittlebugs (Hemiptera: Cercopidae) confirms the overall high evolutionary speed of the AT-rich region but reveals the presence of short conservative elements at the tribal level.
title_sort	comparative analysis of the mitochondrial genomes of callitettixini spittlebugs (hemiptera: cercopidae) confirms the overall high evolutionary speed of the at-rich region but reveals the presence of short conservative elements at the tribal level.
publisher	Public Library of Science (PLoS)
publishDate	2014
url	https://doaj.org/article/dbaaab397cb445e181b8fdd4d994d78d
work_keys_str_mv	AT jieliu comparativeanalysisofthemitochondrialgenomesofcallitettixinispittlebugshemipteracercopidaeconfirmstheoverallhighevolutionaryspeedoftheatrichregionbutrevealsthepresenceofshortconservativeelementsatthetriballevel AT cuipingbu comparativeanalysisofthemitochondrialgenomesofcallitettixinispittlebugshemipteracercopidaeconfirmstheoverallhighevolutionaryspeedoftheatrichregionbutrevealsthepresenceofshortconservativeelementsatthetriballevel AT benjaminwipfler comparativeanalysisofthemitochondrialgenomesofcallitettixinispittlebugshemipteracercopidaeconfirmstheoverallhighevolutionaryspeedoftheatrichregionbutrevealsthepresenceofshortconservativeelementsatthetriballevel AT aipingliang comparativeanalysisofthemitochondrialgenomesofcallitettixinispittlebugshemipteracercopidaeconfirmstheoverallhighevolutionaryspeedoftheatrichregionbutrevealsthepresenceofshortconservativeelementsatthetriballevel
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Comparative analysis of the mitochondrial genomes of Callitettixini Spittlebugs (Hemiptera: Cercopidae) confirms the overall high evolutionary speed of the AT-rich region but reveals the presence of short conservative elements at the tribal level.

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