Jingjing Du’s research while affiliated with Nanjing Normal University and other places

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Publications (1)

Figure 1. Gene maps of the mitogenomes of (a) A. hypoleucos, (b) L. semipalmatus, (c) L. limosa, and (d) N. arquata. Arrows indicate the orientation of gene transcription. PCGs are shown as blue-purple Figure 1. Gene maps of the mitogenomes of (a) A. hypoleucos, (b) L. semipalmatus, (c) L. limosa, and (d) N. arquata. Arrows indicate the orientation of gene transcription. PCGs are shown as blue-purple arrows, rRNA genes as green arrows, tRNA genes as pink arrows, and the control region as dark pink arrows. Ticks in the inner cycle indicate the sequence length. The black ring indicates the GC content (outward and inward peaks showing above-or below-average GC content, respectively). The purple ring indicates the GC skew.
Figure 4. The phylogenetic trees of family Scolopacidae constructed with mitochondrial genes (concatenated 13 protein-coding genes, 12S and 16S rRNA), using Bayesian inference (BI) and maximum likelihood (ML). Numbers at nodes represent the Bayesian posterior probabilities and maximum likelihood bootstrap values, separated by "/".
Variation and evolution analysis of 13 PCGs in Scolopacidae.
Nucleotide composition and skew rate at different sites of codons in four species.
Structure and Phylogenetic Relationships of Scolopacidae Mitogenomes (Charadriiformes: Scolopacidae)
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June 2024

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Current Issues in Molecular Biology

Quanheng Li

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Peiyue Jiang

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Mingxuan Li

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Citation: Li, Q.; Jiang, P.; Li, M.; Du, J.; Sun, J.; Chen, N.; Wu, Y.; Chang, Q.; Hu, C. Structure and Phylogenetic Relationships of Scolopacidae Mitogenomes (Charadriiformes: Scolopacidae). Curr. Issues Mol. Biol. 2024, 46, 6186-6198. https://doi. Abstract: The family Scolopacidae presents a valuable subject for evolutionary research; however, molecular studies of Scolopacidae are still relatively understudied, and the phylogenetic relationships of certain species remain unclear. In this study, we sequenced and obtained complete mitochondrial DNA (mtDNA) from Actitis hypoleucos and partial mtDNA from Numenius arquata, Limosa limosa, and Limnodromus semipalmatus. The complete mtDNA contained 13 protein-coding genes (PCGs), two ribosomal RNA genes, 22 tRNA genes, and a control region. Scolopacidae contained three types of start codons and five types of stop codons (including one incomplete stop codon, TIn In 13 protein-coding genes, average uncorrected pairwise distances (Aupd) revealed that ATP8 was the least conserved while COX3 had the lowest evolutionary rate. The ratio of Ka/Ks suggested that all PCGs were under purifying selection. Using two methods (maximum likelihood and Bayesian inference) to analyze the phylogenetic relationships of the family Scolopacidae, it was found that the genera Xenus and Actitis were clustered into another sister group, while the genus Phalaropus is more closely related to the genus Tringa. The genera Limnodromus, Gallinago, and Scolopax form a monophyletic group. This study improves our understanding of the evolutionary patterns and phylogenetic relationships of the family Scolopacidae.

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