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Mitochondrial DNA sequence of the hybrid of Pelteobagrus vachelli (?) × Pelteobagrus fulvidraco (?).

ABSTRACT: The complete mitochondrial genome sequence of a hybrid, which was produced by sexual hybridization of Pelteobagrus vachelli (?) × Pelteobagrus fulvidraco (?), was obtained. The complete mitochondrial genome of the hybrid is 16,532?bp, containing 37 genes. 129 Site differences were found in overall length compared with P. vachelli.

SUBMITTER: Pan T

PROVIDER: S-EPMC7707245 | biostudies-literature | 2019 Oct

REPOSITORIES: biostudies-literature

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Mitochondrial DNA sequence of the hybrid of Pelteobagrus vachelli (♀) × Pelteobagrus fulvidraco (♂).

Pan Tingshuang T Ling Jun J Duan Guoqing G Jiang He H

Mitochondrial DNA. Part B, Resources 20191009 2

The complete mitochondrial genome sequence of a hybrid, which was produced by sexual hybridization of Pelteobagrus vachelli (♀) × Pelteobagrus fulvidraco (♂), was obtained. The complete mitochondrial genome of the hybrid is 16,532 bp, containing 37 genes. 129 Site differences were found in overall length compared with P. vachelli. ...[more]

PMID: 33366011

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Project description:Background: Yellow catfish (Pelteobagrus fulvidraco) is one of the important aquaculture species in China. In recent years, due to the high breeding density, the increasing frequency of feeding, and the excessive addition of feed fat, the excessive deposition of body fat in cultured yellow catfish has become more frequent. MicroRNAs (miRNAs) are an important gene expression regulatory signal molecule that regulates liver fat synthesis and transport and play an important role in fat deposition. However, there is a little research on the mechanism of fatty liver caused by excessive deposition of liver fat. Results: After 60 days of high-fat stress, the growth and feed conversion rate of hybrid yellow catfish (Pelteobagrus fuIvidraco♀×P. vachelli♂) were significantly inhibited, and hepatosomatic index, viscerosomatic index, hepatic triglyceride and cholesterol, and red lipid droplets in liver tissues were increased. Through high-throughput sequencing, we constructed miRNA libraries of high-fat stress at 60d, identified 346 conserved miRNAs and 410 novel miRNAs, among which 13 differentially expressed miRNAs were screened between high-fat diet group and normal-fat diet group. Also, we constructed mRNA transcriptome libraries after high-fat stress. Potential target genes for differentially expressed miRNAs were identified by bioinformatics analysis. Seven miRNA-mRNA pairs were screened. The expression of differential miRNA and mRNA and potential binding sites were analyzed by qRT-PCR and dual luciferase assay. Hybrid yellow catfish could promote the oxidative degradation of liver glucose, reduce fatty acid peroxidation, regulate antioxidant enzyme activity and response of immune and inflammatory to relieve fat deposition and liver stress. Conclusions: The disorders of fat metabolism in liver not only result in feed wastage, increase metabolic burden of yellow catfish, but also cause immune function damage, resulting in a variety of nutritional diseases. The development of this study is to understand the molecular mechanism of hepatic fat deposition in yellow catfish. It has important biological significance for improving protection of liver against stress and healthy culture.

Dataset Information

Mitochondrial DNA sequence of the hybrid of Pelteobagrus vachelli (?) × Pelteobagrus fulvidraco (?).

Publications

Mitochondrial DNA sequence of the hybrid of <i>Pelteobagrus vachelli</i> (♀) × <i>Pelteobagrus fulvidraco</i> (♂).

Similar Datasets

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