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The complete mitochondrial genome of the half-fin anchovy, Setipinna tenuifilis (Valenciennes, 1848).

ABSTRACT: The complete mitochondrial genome of the half-fin anchovy, Setipinna tenuifilis collected from Yellow and Bohai Seas was determined by next-generation sequencing. The mitogenome is a circular molecule 16,668 bp in length, including the typical structure of 13 protein-coding genes, two ribosomal RNA genes, 22 transfer RNA genes, and a control region. The termination-associated sequence (TAS), central conserved sequence block (CSB) and CSB are detected in the control region. The gene contents of the mitogenome are identical to those observed in most bony fishes.

SUBMITTER: Liu Y

PROVIDER: S-EPMC8381944 | biostudies-literature |

REPOSITORIES: biostudies-literature

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The complete mitochondrial genome and phylogenetic position of the half-fin anchovy, Setipinna tenuifilis (Valenciennes, 1848).

Project description:Half-fin anchovy (Setipinna tenuifilis) is one of the most important economic fishes around the world. In the present study, we determined the complete mitochondrial DNA sequence and organization of S. tenuifilis. The entire mitochondrial genome is a circular-molecule of 16,215 bp in length, which encodes 37 genes in all. These genes comprise 13 protein-coding genes (ATP6 and 8, COI-III, Cytb, ND1-6, and 4L), 22 transfer RNA genes (tRNAs), and two ribosomal RNA genes (12S and 16S rRNAs), with gene arrangement and content basically identical to those of other species of Engraulidae. The result of phylogenetic analysis strongly supported that S. tenuifilis was first clustered together with Setipinna melanochir and formed a monophyly in the genus Coilia, and then they constituted a sister-group relationship with two genus Engraulis, and Stolephorus. It concluded that the S. tenuifilis should be classified into the genus Setipinna. The present study also revealed the phylogenetic relationship of this genus at molecular levels. The complete mitochondrial genome sequence of S. tenuifilis can provide basic information for the studies on molecular taxonomy and phylogeny of teleost fishes.

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The complete mitochondrial genome of Cerithidea sinensis (Philippi, 1848).

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Complete mitochondrial genome of Coleophora therinella Tengstrom, 1848 (Lepidoptera: Coleophoridae).

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The complete mitochondrial genome of Allogalathea elegans (Adams & White, 1848) (Decapoda: Galatheidae).

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The complete mitochondrial genome of aglaeactis castelnaudii (bourcier & mulsant, 1848) (apodiformes: trochilidae: aglaeactis) and phylogenetic analysis.

Project description:In this study, we employed high-throughput sequencing data to assemble the mitochondrial genome (mitogenome) of the White-tufted Sunbeam (Aglaeactis castelnaudii). The total length of the mitogenome was found to be 16,872 base pairs (bp), containing 13 protein-coding genes (PCGs), 22 transfer RNA genes, 2 ribosomal RNA genes, and 1 control region. The nucleotide composition was as follows: A 30.6%, T 24.0%, C 31.2%, and G 14.2%, resulting in a GC content of 45.4%. Phylogenetic analysis, utilizing the concatenation of the 13 mitochondrial PCGs, indicated a closer evolutionary relationship between the genus Aglaeactis and the genus Coeligena compared to other genera within the family Trochilidae investigated in this study. The mitogenome of A. castelnaudii not only contributes to species identification but also provides valuable insights for phylogenetic and conservation genetic analyses of A. castelnaudii.

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The complete mitochondrial genome of rockfish Sebastes oculatus Valenciennes, 1833 from southwest Atlantic ocean.

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Different Regulatory Effects of Heated Products and Maillard Reaction Products of Half-Fin Anchovy Hydrolysates on Intestinal Antioxidant Defense in Healthy Animals.

Project description:The oxidative state of intestinal tracts of healthy animals were investigated after short-term intake of half-fin anchovy hydrolysates (HAHp) and their thermal or Maillard reaction products (MRPs). After one month of continuous oral gavage of HAHp, HAHp-heated products (HAHp-H), the MRPs of HAHp with 3% of glucose (HAHp-3%G MRPs), and the MRPs of HAHp with 3% of fructose (HAHp-3%F MRPs) at a dose of 1.0 g/kg of body weight per day into healthy ICR male mice, the concentrations of serum low-density and high-density lipoprotein cholesterol did not significantly change compared to the control group (CK, gavage with saline). Similar results were found for the interleukin-6 concentrations of all groups. By comparison, HAHp-H, HAHp-3%G MRPs, and HAHp-3%F MRPs administration decreased serum tumor necrosis factor-α concentration as compared to the CK group (p < 0.05). No histological damage was observed in the jejunum, ileum, and colonic tissues of all groups. However, HAHp-H treatment induced higher upregulation of Kelch-like ECH-associated protein 1, transcription factors Nrf-2, associated protective phase-II enzymes of NAD(P)H: quinine oxidoreductase-1, and hemoxygenase-1 in colon tissue, as well as higher upregulation of endogenous antioxidant enzymes, including copper/zinc superoxide dismutase, manganese superoxide dismutase, catalase, and glutathione peroxidase 2 than other groups (p < 0.05). Additionally, increases in Nε-carboxymethyllysine expression in the colonic tissues of all groups were consistent with their increased oligopeptide transporter 1 expressions. Our results suggest that the thermal products of HAHp might have a broad application prospect in improving antioxidant defense in vivo in healthy animals.

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Neotype designation for Thymallus aeliani Valenciennes, 1848 from a museum topotype specimen and its affiliation with Adriatic grayling on the basis of mitochondrial DNA.

Project description:In 1848, the grayling Thymallus aeliani (Valenciennes) was described from Lake Maggiore, Italy, in the north Adriatic basin. Genetic analyses of the mitochondrial control region showed a unique evolutionary history of grayling inhabiting the rivers of northern Adriatic basin, from the upper reaches of the Po River and its left tributaries in the west to the Soča River in the east, which resulted in the designation of this phylogenetic lineage as Adriatic grayling. Consequently, the name T. aeliani was connected to the Adriatic lineage, re-establishing the validity of this taxon. However, the mitochondrial haplotypes belonging to Adriatic grayling were never compared with the type specimens of T. aeliani, as their whereabouts were unknown. In this study, a neotype for T. aeliani was designated using topotypical specimens stored at the Natural History Museum in Vienna. The neotype (NMW 68027:2 labelled as "Lago Maggiore, Bellotti, 1880") was designated pursuant to the conditions stipulated in Article 75.3 of the International Code of Zoological Nomenclature. Furthermore, the mitochondrial control region of the neotype was compared to haplotypes of the Adriatic lineage and showed high genetic similarity, which therefore connects the species name T. aeliani to the Adriatic grayling. This crucial step in fixing nomenclatural status of this species is very important for its protection and management.

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