4.6 Article

Characterization, Comparison of Four New Mitogenomes of Centrotinae (Hemiptera: Membracidae) and Phylogenetic Implications Supports New Synonymy

Journal

LIFE-BASEL
Volume 12, Issue 1, Pages -

Publisher

MDPI
DOI: 10.3390/life12010061

Keywords

treehopper; Gargarini; new synonymy; mitochondrial DNA; phylogenetic analysis

Funding

  1. National Natural Science Foundation of China [31772503, 31970448]
  2. National Key Research and Development Program of China [2017YFD0200900, 2017YFD0201800]

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This study explores the phylogenetic relationships of the subfamily Centrotinae based on mitochondrial genome data. The analysis suggests that Membracoidea, Smiliinae and Centrotinae, along with tribes Centrotypini and Leptobelini, form well-supported monophyletic groups.
To explore the phylogenetic relationships of the subfamily Centrotinae from the mitochondrial genome data, four complete mitogenomes (Anchon lineatus, Anchon yunnanensis, Gargara genistae and Tricentrus longivalvulatus) were sequenced and analyzed. All the newly sequenced mitogenomes contain 37 genes. Among the 13 protein-coding genes (PCGs) of the Centrotinae mitogenomes, a sliding window analysis and the ratio of Ka/Ks suggest that atp8 is a relatively fast evolving gene, while cox1 is the slowest. All PCGs start with ATN, except for nad5 (start with TTG), and stop with TAA or the incomplete stop codon T, except for nad2 and cytb (terminate with TAG). All tRNAs can fold into the typical cloverleaf secondary structure, except for trnS1, which lacks the dihydrouridine (DHU) arm. The BI and ML phylogenetic analyses of concatenated alignments of 13 mitochondrial PCGs among the major lineages produce a well-resolved framework. Phylogenetic analyses show that Membracoidea, Smiliinae and Centrotinae, together with tribes Centrotypini and Leptobelini are recovered as well-supported monophyletic groups. The tribe Gargarini (sensu Wallace et al.) and its monophyly are supported.

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