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In this study, we sequenced the complete mitochondrial genome of Microphysogobio brevirostris (Cypriniformes, Cyprinidae), an endemic primary freshwater fish in Taiwan. This mitochondrial genome, consisting of 16,608 base pairs (bp), encoded 13 protein-coding genes, 2 ribosomal RNAs, 22 transfer RNAs, and a non-coding control region as those found in other vertebrates, with the gene synteny identical to that of typical vertebrates. Control region (D-Loop), of 929 bp lengths long, is located between tRNAPro and tRNAPhe. The overall base composition of the heavy strand shows T 26.28%, C 26.62%, A 30.26%, and G 16.85%, with a slight AT bias of 56.53%. [ABSTRACT FROM AUTHOR]

In this study, we sequenced the complete mitochondrial genome of Onychostoma sima (Cypriniformes, Cyprinidae). This mitochondrial genome, consisting of 16,601 base pairs (bp), encoded 13 protein-coding genes, 2 ribosomal RNAs, 22 transfer RNAs and a noncoding control region as those found in other vertebrates, with the gene synteny identical to that of typical vertebrates. Control region (D-Loop), of 934 bp lengths long, is located between tRNAPro and tRNAPhe. The overall base composition of the heavy strand shows 24.30% of T, 28.28% of C, 31.31% of A and 16.11% of G, with a slight AT bias of 55.61%. [ABSTRACT FROM AUTHOR]