Abstract
A study was conducted to reveal the characterization of the complete mitochondrial genome of Fischoederius elongatus derived from cows in Shanghai, China. Results indicated that the complete mt genome of F. elongatus was 14,288 bp and contained 12 protein-coding genes (cox1-3, nad1-6, nad4L, atp6, and cytb), 22 transfer RNA genes, and two ribosomal RNA genes (l-rRNA and s-rRNA). The overall A + T content of the mt genome was 63.83%, and the nucleotide composition was A (19.83%), C (9.75%), G (26.43%), and T (44.00%). A total of 3284 amino acids were encoded by current F. elongatus isolate mt genome, TTT (Phe) (9.84%) and TTG (Leu) (7.73%) codon were the most frequent amino acids, whereas the ACC (Thr) (0.06%), GCC (Ala) (0.09%), CTC (Leu) (0.09%), and AAC (Asn) (0.09%) codon were the least frequent ones. At the third codon position of F. elongatus mt protein genes, T (50.82%) was observed most frequently and C (5.85%) was the least one. The current results can contribute to epidemiology diagnosis, molecular identification, taxonomy, genetic, and drug development researches about this parasite species in cattle.
Highlights
Fischoederius elongatus is a representative of Paragonimus genus, which was frequently discovered in ruminants in tropical and subtropical regions [1]
The 3′-end of genes of nd1, nd3, nd4, nd5, dn6, atp6, cox3, and cox1 was found immediately adjacent to a downstream tRNA gene (Table 1), which was in parallel arrangement with F. elongatus Tianmen isolates of Gastrothylax crumenifer and Paramphistomum cervi [3, 13, 14]
A total of 3284 amino acids were encoded from the F. elongatus isolate mt genome excluding the termination codons
Summary
Fischoederius elongatus is a representative of Paragonimus genus, which was frequently discovered in ruminants in tropical and subtropical regions [1]. A study was conducted to reveal the characterization of the complete mitochondrial genome of Fischoederius elongatus derived from cows in Shanghai, China.
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