Dataset Information

Complete mitochondrial genome of the Sakhalin nine-spined stickleback Pungitius tymensis (Gasterosteiformes, Gasterosteidae).

ABSTRACT: The complete mitochondrial genome of the Sakhalin nine-spined stickleback Pungitius tymensis was determined using Illumina paired-end sequencing of genomic DNA. The genome sequence was 16?481?bp in length, consisting of 13 protein-coding genes, 22 transfer RNA genes, two ribosomal RNA genes and a control region. The content and arrangement of the genes were identical to those of other Gasterosteidae species. P. tymensis was phylogenetically positioned with other Pungitius species (P. kaibarae, P. pungitius and P. sinensis) with a clear distinction from them. Nucleotide identity in the 37 genic regions ranged from 94.7% to 94.9% between P. tymensis and the other Pungitius species.

SUBMITTER: Shikano T

PROVIDER: S-EPMC7799693 | biostudies-literature | 2016 Feb

REPOSITORIES: biostudies-literature

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Complete mitochondrial genome of the Sakhalin nine-spined stickleback Pungitius tymensis (Gasterosteiformes, Gasterosteidae).

Shikano Takahito T Guo Baocheng B Merilä Juha J

Mitochondrial DNA. Part B, Resources 20160201 1

The complete mitochondrial genome of the Sakhalin nine-spined stickleback Pungitius tymensis was determined using Illumina paired-end sequencing of genomic DNA. The genome sequence was 16 481 bp in length, consisting of 13 protein-coding genes, 22 transfer RNA genes, two ribosomal RNA genes and a control region. The content and arrangement of the genes were identical to those of other Gasterosteidae species. P. tymensis was phylogenetically positioned with other Pungitius sp ...[more]

PMID: 33473414

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Project description:As a consequence of colonisation from different glacial refugia, many northern European taxa are split into distinct western and eastern lineages. However, as for the nine-spined stickleback (Pungitius pungitius), the exact location of the contact zone between lineages often remains poorly known. We assessed the genetic differentiation and diversity in the nine-spined stickleback within Europe using 1037 base pairs of cytochrome b sequence for 320 individuals from 57 locations, including pond, lake, river, and coastal habitats. Our main aims were (i) to locate the contact zone between the previously recognized western and eastern lineages, (ii) investigate latitudinal patterns in genetic diversity, (iii) compare genetic diversity among different habitat types, and (iv) date the known split between eastern and western lineages. The data revealed the split between eastern and western to be located across the Danish Straits and roughly following the Norway/Sweden border to the North. Reference sites from Canada form their own clades, and one of the Canadian sites was found to have a haplotype common to the Eastern European lineage, possibly representing an ancestral polymorphism. The split between the two European clades was dated to approximately 1.48 million years ago (Mya), and between Canada and Europe to approximately 1.62 Mya. After controlling for habitat effects, nucleotide (but not haplotype) diversity across populations decreased with increasing latitude. Coastal populations showed significantly higher haplotype diversity (but not nucleotide diversity) than pond populations, but there were no detectable differences in haplotype diversity among different freshwater habitat types (viz. river, lake and pond populations), or between coastal and lake/river populations. Sequences were found to cluster according to their geographic proximity, rather than by habitat type, and all habitat types were found within each major clade, implying that colonisation and adaptation between the coastal and freshwater environments in different regions must have occurred in parallel.

Dataset Information

Complete mitochondrial genome of the Sakhalin nine-spined stickleback Pungitius tymensis (Gasterosteiformes, Gasterosteidae).

Publications

Complete mitochondrial genome of the Sakhalin nine-spined stickleback <i>Pungitius tymensis</i> (Gasterosteiformes, Gasterosteidae).

Similar Datasets

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