AI Article Synopsis
- The complete mitochondrial genome of the red king crab (Paralithodes camtschaticus) was sequenced, revealing it is 16,720 base pairs in size.
- This crab is not only one of the largest arthropods but also a sought-after seafood, and its mtDNA shares similarities with the hermit crab Pagurus longicarpus, indicating a common evolutionary ancestor.
- The study highlights a unique translocation of tRNA genes in the red king crab's mtDNA and adds significant data to the existing knowledge of decapod phylogeny, as only two other Anomura species have had their complete mt genomes reported before.
Article Abstract
We determined the complete mitochondrial (mt) genome sequence of the red king crab, Paralithodes camtschaticus (Decapoda, Anomura). P. camtschaticus is one of the largest arthropods and the most expensive commercially available gourmet seafood. The genome sequence of P. camtschaticus is 16,720 bp in size and its gene content, gene order, and transcriptional polarity are almost identical to those of the hermit crab Pagurus longicarpus, which is thought to be derived from a common ancestor. However, P. camtschaticus mtDNA showed tRNA translocation in two blocks compared to that of P. longicarpus. Prior to this study, complete mt genomes of only two species of Anomura have been reported. Thus, our genomic data will provide additional information for constructing the decapod phylogeny.
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| http://dx.doi.org/10.3109/19401736.2012.760555 | DOI Listing |
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