Dataset Information

Mitochondrial genome of Ying hybrid carp (Russian scattered scale mirror carp ? × carp-goldfish nucleocytoplasmic hybrid ?).

ABSTRACT: The complete mitogenomes of Ying hybrid carp (Russian scattered scale mirror carp ??×?Carp-goldfish nucleocytoplasmic hybrid ?) was sequenced by PCR-based method. The total of the mtDNA was 16,581?bp, and consisted of 13 protein-coding genes, 22 tRNAs, 2rRNA genes, and 1 control region (D-loop region). The overall base composition was as follows: A: 31.9%, T: 24.8%, C: 27.5%, and G: 15.8%, respectively. The overall AT and GC skew were found to be 0.125 and -0.271, respectively. A majority of the genes used ATG as the start codon, except that the codon GTG was found to initiated the CO I gene. Most of the genes ended with the complete stop codon TAA or TAG, while the COII, ND3, ND4, and Cytb genes terminated with the incomplete stop codons 'T--'.

SUBMITTER: Liu X

PROVIDER: S-EPMC7800520 | biostudies-literature | 2016 Dec

REPOSITORIES: biostudies-literature

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Mitochondrial genome of Ying hybrid carp (Russian scattered scale mirror carp ♀ × carp-goldfish nucleocytoplasmic hybrid ♂).

Liu Xiangjiang X Liang Yongjun Y Lu Cuiyun C Chang Yumei Y Li Chitao C Qin Xiangfeng X Quan Shuyue S Wang Zeyu Z Zou Guiwei G Hu Guangfu G

Mitochondrial DNA. Part B, Resources 20161209 1

The complete mitogenomes of Ying hybrid carp (Russian scattered scale mirror carp ♀ × Carp-goldfish nucleocytoplasmic hybrid ♂) was sequenced by PCR-based method. The total of the mtDNA was 16,581 bp, and consisted of 13 protein-coding genes, 22 tRNAs, 2rRNA genes, and 1 control region (D-loop region). The overall base composition was as follows: A: 31.9%, T: 24.8%, C: 27.5%, and G: 15.8%, respectively. The overall AT and GC skew were found to be 0.125 and -0.271, respectively. A majority of the ...[more]

PMID: 33473680

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Project description:Previously, a homodiploid goldfish-like fish (2n = 100; GF-L) was spontaneously generated by self-crossing a homodiploid red crucian carp-like fish (2n = 100; RCC-L), which was in turn produced via the distant hybridization of female koi carp (Cyprinus carpio haematopterus, KOC, 2n = 100) and male blunt snout bream (Megalobrama amblycephala, BSB, 2n = 48). The phenotypes and genotypes of RCC-L and GF-L differed from those of the parental species but were similar to diploid red crucian carp (2n = 100; RCC) and goldfish (2n = 100; GF), respectively. We sequenced the complete mitochondrial DNAs (mtDNAs) of the KOC, BSB, RCC-L, GF-L, and subsequent generations produced by self-crossing [the self-mating offspring of RCC-L (RCC-L-F2) to the self-mating offspring of RCC-L-F2 (RCC-L-F3) and the self-mating offspring of GF-L (GF-L-F2)]. Paternal mtDNA fragments were stably embedded in the mtDNAs of both lineages, forming chimeric DNA fragments. In addition to these chimeras, several nucleotide positions in the RCC-L and GF-L lineages differed from the parental bases, and were instead identical with RCC and GF, respectively. Moreover, RCC-L and GF-L mtDNA organization and nucleotide composition were more similar to those of RCC and GF, respectively, compared to parental mtDNA. Finally, phylogenetic analyses indicated that RCC-L and GF-L clustered with RCC and GF, not with the parental species. The molecular dating time shows that the divergence time of KOC and GF was about 21.26 Mya [95% highest posterior density (HPD): 24.41-16.67 Mya], which fell within the period of recent. The heritable chimeric DNA fragments and mutant loci identified in the mtDNA of the RCC-L and GF-L lineages provided important evidence that hybridizations might lead to changes in the mtDNA and the subsequent generation of new lineages. Our findings also demonstrated for the first time that the paternal mtDNA was transmitted into the mtDNA of homodiploid lineages (RCC-L and GF-L), which provided evidence that paternal DNA plays a role in inherited mtDNA. These evolutionary analyses in mtDNA suggest that GF might have diverged from RCC after RCC diverged from koi carp.

Dataset Information

Mitochondrial genome of Ying hybrid carp (Russian scattered scale mirror carp ? × carp-goldfish nucleocytoplasmic hybrid ?).

Publications

Mitochondrial genome of Ying hybrid carp (Russian scattered scale mirror carp ♀ × carp-goldfish nucleocytoplasmic hybrid ♂).

Similar Datasets

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