The First Complete Mitochondrial Genome of the Genus : Insights into the Rearrangement and Evolution of Mitochondrial Genomes in Diplopoda

Overview

Journal Genes (Basel)

Publisher MDPI

Date 2024 Feb 24

PMID 38397243

Authors

Gaoji Zhang

Ming Gao

Yukun Chen

Yinuo Wang

Tianyi Gan

Fuyuan Zhu

Hongyi Liu

Affiliations

Soon will be listed here.

Abstract

This study presents the complete mitochondrial genome (mitogenome) of , which is the first mitogenome of the genus . The mitogenome is a circular molecule with a length of 15,081 bp. The proportion of adenine and thymine (A + T) was 69.25%. The gene ND4L used TGA as the initiation codon, while the other PCGs utilized ATN (A, T, G, C) as the initiation codons. More than half of the PCGs used T as an incomplete termination codon. The transcription direction of the mitogenome matched , in contrast to most millipedes. Novel rearrangements were found in the mitogenome: trnQ -trnC and trnL1- trnP underwent short-distance translocations and the gene block rrnS-rrnL-ND1 moved to a position between ND4 and ND5, resulting in the formation of a novel gene order. The phylogenetic analysis showed that is most closely related to , followed by . These findings enhance our understanding of the rearrangement and evolution of Diplopoda mitogenomes.

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