Sequencing employed next-generation sequencing technology (NGS) on the Illumina NovaSeq platform. Annotations were facilitated via the MITOS WebServer (http://mitos.bioinf.uni-leipzig.de/index.py), with the A5-miseq v20150522 program utilized for the construction of the complete mitochondrial genome (14, 15). Alignment with closely related species in the NCBI database were performed to ascertain the location of protein-coding, tRNA, and rRNA genes. Predictive analyses of tRNA genes secondary structure were conducted on the tRNAscan-SE (http://lowelab.ucsc.edu/tRNAscan-SE/) online platform (16), and the CGView Server (https://paulstothard.github.io/cgview/) was employed for mapping mitochondrial genome circles. Analytical tools included DNAStar V7.1 for nucleotide composition analysis and CodonW 1.4.2 the relative synonymous codon usage (RSCU) computation.
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