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The published complete mitochondrial genome of Spotted Greenshank (Tringa guttifer) is a chimera with DNA from Red-necked Stint (Calidris ruficollis) (Aves: Charadriiformes).

ABSTRACT: A recently published complete mitochondrial genome of Spotted Greenshank (Tringa guttifer) was the first DNA sequence of this species (GenBank accession number MK905885, RefSeq number NC_044665; Liu et al. 2019, The complete mitochondrial genome of the Spotted Greenshank Tringa guttifer (Charadriiforemes [sic]: Charadriidae), Mitochondrial DNA Part B. 4:2353-2354). Here we show that this mitogenome is actually a chimera containing DNA fragments of both a Tringa sandpiper (presumably T. guttifer) and the Red-necked Stint (Calidris ruficollis). This mitogenome has been re-used in at least three phylogenies. The error is documented to avoid the perpetuation of erroneous sequence information in the literature.

SUBMITTER: Sangster G

PROVIDER: S-EPMC10769514 | biostudies-literature | 2023

REPOSITORIES: biostudies-literature

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The published complete mitochondrial genome of Spotted Greenshank (Tringa guttifer) is a chimera with DNA from Red-necked Stint (Calidris ruficollis) (Aves: Charadriiformes).

Sangster George G Luksenburg Jolanda A JA

Mitochondrial DNA. Part B, Resources 20231130 11

A recently published complete mitochondrial genome of Spotted Greenshank (Tringa guttifer) was the first DNA sequence of this species (GenBank accession number MK905885, RefSeq number NC_044665; Liu et al. 2019, The complete mitochondrial genome of the Spotted Greenshank Tringa guttifer (Charadriiforemes [sic]: Charadriidae), Mitochondrial DNA Part B. 4:2353-2354). Here we show that this mitogenome is actually a chimera containing DNA fragments of both a Tringa sandpiper (pr ...[more]

PMID: 38188446

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Project description:BackgroundThe genus Calidris (Charadriiformes, Scolopacidae) includes shorebirds known as dunlin, knots, and sanderlings. The relationships between species nested within Calidris, including Eurynorynchus, Limicola and Aphriza, are not well-resolved.MethodsSamples were collected from Xiaoyangkou, Rudong County, Jiangsu Province, China. Mitogenomes were sequenced using the Illumina Novaseq 6000 platform for PE 2 × 150 bp sequencing, and then checked for PCR products. Protein-coding genes were determined using an Open Reading Frame Finder. tRNAscan-SE, MITOS, and ARWEN were used to confirm tRNA and rRNA annotations. Bioinformatic analyses were conducted using DnaSP 5.1 and MEGA X. Phylogenic trees were constructed using maximum likelihood and Bayesian analyses.ResultsWe sequenced and annotated the mitogenome of five species and obtained four complete mitogenomes and one nearly complete mitogenome. Circular mitogenomes displayed moderate size variation, with a mean length of 16,747 bp, ranging from 16,642 to 16,791 bp. The mitogenome encoded a control region and a typical set of 37 genes containing two rRNA genes, 13 protein-coding genes, and 22 tRNA genes. There were four start codons, four stop codons, and one incomplete stop codon (T-). The nucleotide composition was consistently AT-biased. The average uncorrected pairwise distances revealed heterogeneity in the evolutionary rate for each gene; the COIII had a slow evolutionary rate, whereas the ATP8 gene had a fast rate. dN/dS analysis indicated that the protein-coding genes were under purifying selection. The genetic distances between species showed that the greatest genetic distance was between Eurynorhynchus pygmeus and Limicola falcinellus (22.5%), and the shortest was between E. pygmeus and Calidris ruficollis (12.8%). Phylogenetic trees revealed that Calidris is not a monophyletic genus, as species from the genera Eurynorynchus and Limicola were nested within Calidris. The molecular data obtained in this study are valuable for research on the taxonomy, population genetics, and evolution of birds in the genus Calidris.

Dataset Information

The published complete mitochondrial genome of Spotted Greenshank (Tringa guttifer) is a chimera with DNA from Red-necked Stint (Calidris ruficollis) (Aves: Charadriiformes).

Publications

The published complete mitochondrial genome of Spotted Greenshank (<i>Tringa guttifer</i>) is a chimera with DNA from Red-necked Stint (<i>Calidris ruficollis</i>) (Aves: Charadriiformes).

Similar Datasets

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