Complete mitochondrial genome of the praying mantis Arria pallida (Zhang, 1987) (Mantodea: Haanidae).
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ABSTRACT:
SUBMITTER: Wang Y
PROVIDER: S-EPMC7782495 | biostudies-literature |
REPOSITORIES: biostudies-literature
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Project description:The complete mitochondrial genome of the praying mantises Mekongomantis quinquespinosa was characterized in this study. The circular molecule is 15388?bp in length (GenBank accession no. MN267041), containing 13 protein-coding genes (PCGs), 2 ribosomal RNA (rRNA) genes, 22 transfer RNA (tRNA) genes. The nucleotide composition is asymmetric (39.0% A, 15.8% C, 9.8% G, 35.4% T), with an overall A?+?T content of 74.4%. The gene arrangement of M. quinquespinosa is identical to that observed in other Mantidae family praying mantises. Ten reading frame overlaps and seven intergenic regions are found in the mitogenome of M. quinquespinosa. The phylogenetic relationships based on 13 PCGs show that M. quinquespinosa clusters closest to the species of Mantidae.
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Project description:In this data article, we provide five datasets of mantis mitochondrial genomes: (1) PCG123: nucleotide sequences of 13 protein-coding genes including all codon positions; (2) PCG123R: nucleotide sequences of two rRNAs and 13 protein-coding genes including all codon positions; (3) PCG12: nucleotide sequences of 13 protein-coding genes without third codon positions; (4) PCG12R: nucleotide sequences of two rRNAs and 13 protein-coding genes without third codon positions, and (5) PCGAA: amino acid sequences of 13 protein-coding genes. These were used to construct phylogenetic relationships within Mantodea and the phylogenetic trees inferred from Bayesian analysis using two data sets (PCG12R, PCGAA) and Maximum Likelihood analysis using four data sets (PCG123, PCG12, PCG12R and PCGAA). We also provide initiation codon, termination codon, amino acid length and nucleotide diversity (Pi) of protein-coding genes among 27 mantises. The whole mitochondrial genomes of 27 praying mantises were submitted to GenBank with the accession numbers KY689112-KY689138.
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Project description:This study provides a comprehensive review of historical morphological nomenclature used for praying mantis (Mantodea) morphology, which includes citations, original use, and assignment of homology. All referenced structures across historical works correspond to a proposed standard term for use in all subsequent works pertaining to praying mantis morphology and systematics. The new standards are presented with a verbal description in a glossary as well as indicated on illustrations and images. In the vast majority of cases, originally used terms were adopted as the new standard. In addition, historical morphological topographical homology conjectures are considered with discussion on modern interpretations. A new standardized formulation to present foreleg femoral and tibial spines is proposed for clarity based on previous works. In addition, descriptions for methods of collection, curation, genital complex dissection, and labeling are provided to aid in the proper preservation and storage of specimens for longevity and ease of study. Due to the lack of consistent linear morphometric measurement practices in the literature, we have proposed a series of measurements for taxonomic and morphological research. These measurements are presented with figures to provide visual aids with homologous landmarks to ensure compatibility and comparability across the Order. Finally, our proposed method of pinning mantises is presented with a photographical example as well as a video tutorial available at http://mantodearesearch.com.
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Project description:The complete mitochondrial genome of Mantis religiosa (Mantodea: Mantidae) from Canada was successfully sequenced. The mitochondrial genome was a circular molecule of 15,521?bp in length, containing 13 protein-coding genes, two rRNA genes, 23 tRNA genes (including an extra tRNAArg gene), and the control region. The AT content of the whole genome was 76.9% and the length of the control region was 636?bp with 81.9% AT content. The structure of the M. religiosa mitochondrial genome from Canada was almost identical to M. religiosa from China and their genetic distance was just 0.017. In Bayesian inference (BI) and maximum likelihood (ML) analyses, we found that M. religiosa was a sister clade to Statilia sp. and the monophyly of the genera Hierodula and Rhombodera was not supported.
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Project description:An examination of Malagasy specimens accessed within the Muséum national d'Histoire naturelle, Paris, France, produced a praying mantis (Insecta: Mantodea) of an undescribed genus and species. An investigation of the internal and external morphology, in addition to its collection locality, revealed that this specimen belongs to the Iridopterygidae subfamily Tropidomantinae. Furthermore, the specimen's unique combination of characters justified the creation of a new genus. Geographic distributional records and external morphological character evidence are presented for Cornucollis gen. n. masoalensis sp. n. We provide a dichotomous key of the Tropidomantinae and Nilomantinae genera distributed within Madagascar. High-resolution images, illustrations of morphological characters, natural history information, and measurement data are presented.
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Project description:BACKGROUND: Animal mitochondrial genomes are physically separate from the much larger nuclear genomes and have proven useful both for phylogenetic studies and for understanding genome evolution. Within the phylum Arthropoda the subphylum Crustacea includes over 50,000 named species with immense variation in body plans and habitats, yet only 23 complete mitochondrial genomes are available from this subphylum. RESULTS: I describe here the complete mitochondrial genome of the crustacean Squilla mantis (Crustacea: Malacostraca: Stomatopoda). This 15994-nucleotide genome, the first described from a hoplocarid, contains the standard complement of 13 protein-coding genes, 22 transfer RNA genes, two ribosomal RNA genes, and a non-coding AT-rich region that is found in most other metazoans. The gene order is identical to that considered ancestral for hexapods and crustaceans. The 70% AT base composition is within the range described for other arthropods. A single unusual feature of the genome is a 230 nucleotide non-coding region between a serine transfer RNA and the nad1 gene, which has no apparent function. I also compare gene order, nucleotide composition, and codon usage of the S. mantis genome and eight other malacostracan crustaceans. A translocation of the histidine transfer RNA gene is shared by three taxa in the order Decapoda, infraorder Brachyura; Callinectes sapidus, Portunus trituberculatus and Pseudocarcinus gigas. This translocation may be diagnostic for the Brachyura. For all nine taxa nucleotide composition is biased towards AT-richness, as expected for arthropods, and is within the range reported for other arthropods. Codon usage is biased, and much of this bias is probably due to the skew in nucleotide composition towards AT-richness. CONCLUSION: The mitochondrial genome of Squilla mantis contains one unusual feature, a 230 base pair non-coding region has so far not been described in any other malacostracan. Comparisons with other Malacostraca show that all nine genomes, like most other mitochondrial genomes, share a bias toward AT-richness and a related bias in codon usage. The nine malacostracans included in this analysis are not representative of the diversity of the class Malacostraca, and additional malacostracan sequences would surely reveal other unusual genomic features that could be useful in understanding mitochondrial evolution in this taxon.
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Project description:Insect mitochondrial genomes (mitogenomes) contain a conserved set of 37 genes for an extensive diversity of lineages. Previously reported dictyopteran mitogenomes share this conserved mitochondrial gene arrangement, although surprisingly little is known about the mitogenome of Mantodea. We sequenced eight mantodean mitogenomes including the first representatives of two families: Hymenopodidae and Liturgusidae. Only two of these genomes retain the typical insect gene arrangement. In three Liturgusidae species, the trnM genes have translocated. Four species of mantis (Creobroter gemmata, Mantis religiosa, Statilia sp., and Theopompa sp.-HN) have multiple identical tandem duplication of trnR, and Statilia sp. additionally includes five extra duplicate trnW. These extra trnR and trnW in Statilia sp. are erratically arranged and form another novel gene order. Interestingly, the extra trnW is converted from trnR by the process of point mutation at anticodon, which is the first case of tRNA reassignment for an insect. Furthermore, no significant differences were observed amongst mantodean mitogenomes with variable copies of tRNA according to comparative analysis of codon usage. Combined with phylogenetic analysis, the characteristics of tRNA only possess limited phylogenetic information in this research. Nevertheless, these features of gene rearrangement, duplication, and reassignment provide valuable information toward understanding mitogenome evolution in insects.
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Project description:The complete mitochondrial genome of Psychomantis borneensis (Mantodea: Hymenopodidae) was successfully sequenced. The mitochondrial genome is found to be 15,493?bp long and is a circular molecule containing 37 genes (13 protein-coding genes, 22 tRNAs, and 2 rRNAs), typically found in other mantis mitochondrial genomes. The AT content of the whole genome was 72.4% and the length of the control region was 697?bp with 79.9% AT content. A phylogenetic tree was constructed based on the BI and ML analysis of 16 species of Mantodea. The results showed that P. borneensis was a sister clade to (Anaxarcha zhengi?+?Creobroter gemmata) (Hymenopodidae). The monophyly of the family Mantidae and the genus Theopompa, Hierodula, and Rhombodera were not supported. The outcome of this study will provide a useful data for population genetics studies as well as serve as a tool for better characterizing phylogenetic analysis of Mantodea.
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Project description:The complete mitochondrial genome of the Statilia maculate has been amplified and sequenced in this study. The mitogenome was 15,775bp long with two ribosomal RNA genes, 26 transfer RNA genes, 13 protein-coding genes, and a non-coding control region, with an A?+?T-rich characteristic (75.8%). Five identical tandem duplication of trnR were found in mitogenome of S. maculate, similar to the other mantis. According to the phylogenetic analysis, S. maculate had a closer genetic relationship with Statilia sp.
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