Dataset Information

The complete mitochondrial genome of the Arctic fairy shrimp Branchinectapaludosa (Muller, 1788) (Anostraca, Branchinectidae) from Sirius Passet, North Greenland.

ABSTRACT: Here we report the complete mitochondrial genome of the Arctic fairy shrimp, Branchinectapaludosa (Müller, 1788) (Anostraca, Branchinectidae), which was collected in the High Arctic of North Greenland. A complete 16,059 bp mitochondrion of B.paludosa was sequenced and assembled with the Illumina next generation sequencing platform. The B.paludosa mitogenome contains 13 PCGs, 22 tRNAs and 2 rRNA genes that are commonly observed in most metazoans and shows the conserved gene arrangement pattern of Anostraca. Our results of the phylogenomic analysis are consistent with the previous phylogenetic relationship, based on nuclear 18S ribosomal DNA. The B.paludosa mitogenome will be useful for understanding the geographical distribution and phylogenetic relationship of anostracans.

SUBMITTER: Kihm JH

PROVIDER: S-EPMC9836551 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature

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The complete mitochondrial genome of the Arctic fairy shrimp Branchinectapaludosa (Müller, 1788) (Anostraca, Branchinectidae) from Sirius Passet, North Greenland.

Kihm Ji-Hoon JH Jo Euna E Park Tae-Yoon S TS Kim Bo-Mi BM

Biodiversity data journal 20221028

Here we report the complete mitochondrial genome of the Arctic fairy shrimp, Branchinectapaludosa (Müller, 1788) (Anostraca, Branchinectidae), which was collected in the High Arctic of North Greenland. A complete 16,059 bp mitochondrion of B.paludosa was sequenced and assembled with the Illumina next generation sequencing platform. The B.paludosa mitogenome contains 13 PCGs, 22 tRNAs and 2 rRNA genes that are commonly observed in most metazoans and shows the conserved gene a ...[more]

PMID: 36761531

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Project description:BackgroundExceptionally preserved Palaeozoic faunas have yielded a plethora of trilobite-like arthropods, often referred to as lamellipedians. Among these, Artiopoda is supposed to contain taxa united by a distinctive appendage structure. This includes several well supported groups, Helmetiida, Nektaspida, and Trilobita, as well as a number of problematic taxa. Interrelationships remain unclear, and the position of the lamellipedian arthropods as a whole also remains the subject of debate.ResultsArthroaspis bergstroemi n. gen. n. sp., a new arthropod from the early Cambrian Sirius Passet Lagerstätte of North Greenland shows a striking combination of both dorsal and ventral characters of Helmetiida, Nektaspida, and Trilobita. Cladistic analysis with a broad taxon sampling of predominantly early Palaeozoic arthropods yields a monophyletic Lamellipedia as sister taxon to the Crustacea or Tetraconata. Artiopoda is resolved as paraphyletic, giving rise to the Marrellomorpha. Within Lamellipedia, a clade of pygidium bearing taxa is resolved that can be shown to have a broadly helmetiid-like tergite morphology in its ground pattern. This morphology is plesiomorphically retained in Helmetiida and in Arthroaspis, which falls basally into a clade containing Trilobita. The trilobite appendages, though similar to those of other lamellipedians in gross morphology, have a unique outward rotation of the anterior trunk appendages, resulting in a 'hard wired' lateral splay, different to that observed in other Lamellipedia.ConclusionsThe combination of helmetiid, trilobite, and nektaspid characters in Arthroaspis gives important hints concerning character polarisation within the trilobite-like arthropods. The distinctive tergite morphology of trilobites, with its sophisticated articulating devices, is derived from flanged edge-to-edge articulating tergites forming a shield similar to the helmetiids, previously considered autapomorphic for that group. The stereotypical lateral splay of the appendages of lamellipedians is a homoplastic character shown to be achieved by several groups independently.

Dataset Information

The complete mitochondrial genome of the Arctic fairy shrimp Branchinectapaludosa (Muller, 1788) (Anostraca, Branchinectidae) from Sirius Passet, North Greenland.

Publications

The complete mitochondrial genome of the Arctic fairy shrimp <i>Branchinectapaludosa</i> (Müller, 1788) (Anostraca, Branchinectidae) from Sirius Passet, North Greenland.

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