Abstract:
:In this study, the complete mitochondrial DNA (mtDNA) sequence of the crab Parasesarma affine is determined, characterized and compared with other decapod crustaceans. The P. affine mitochondrial genome (mitogenome) is 15,638 bp in size, and contains 13 protein-coding genes (PCGs), 2 ribosomal RNA (rRNA) genes, 22 transfer RNA (tRNA) genes and a control region (CR). Then, 23 of the 37 genes are encoded by the heavy (+) strand while 14 are encoded by the light (-) strand. All PCGs are initiated by ATN codons and 4 of the 13 PCGs harbored the incomplete termination codon by T or TA. The CR with a high A + T% (82.33%) spans 678 bp. The nucleotide composition of the P. affine mitogenome is also biased toward A + T nucleotides (74.83%). The gene order of P. affine has a difference that trnI-trnQ turns into trnQ-trnI when compared with ancestor of Brachyura, which can also been seen in other Sesarmidae species. Phylogenetic tree based on nucleotide sequences of mitochondrial 13 PCGs from 49 decapod crustaceans and one outgroup using Bayesian inference (BI) and Maximum Likelihood (ML), which determined that P. affine belongs to Sesarmidae and Parasesarma is monophyletic.
journal_name
Int J Biol Macromoljournal_title
International journal of biological macromoleculesauthors
Wang Z,Wang Z,Shi X,Wu Q,Tao Y,Guo H,Ji C,Bai Ydoi
10.1016/j.ijbiomac.2018.06.056subject
Has Abstractpub_date
2018-10-15 00:00:00pages
31-40issue
Pt Aeissn
0141-8130issn
1879-0003pii
S0141-8130(18)32224-4journal_volume
118pub_type
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