ArticleJournal of molecular evolution2005
The mitochondrial sequences of Heptathela hangzhouensis and Ornithoctonus huwena reveal unique gene arrangements and atypical tRNAs.
Article in Journal of molecular evolution, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.
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32 citing papers in PubMed, 74 citations in OpenAlex.
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- Evolutionary adaptation and mitogenomic diversity of spiders associated with Nepenthes smilesii Pitcher Plants in Thailand.PloS one · 2026Article
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- Phylogenomics resolves the higher-level phylogeny of herbivorous eriophyoid mites (Acariformes: Eriophyoidea).BMC biology · 2024Article
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- Comparative Mitogenomics of Jumping Spiders with First Complete Mitochondrial Genomes of Euophryini (Araneae: Salticidae).Insects · 2023Article
- Chromosome-level genome and the identification of sex chromosomes in Uloborus diversus.GigaScience · 2022Article
- Complete Mitogenomes ofAnimals : an open access journal from MDPI · 2022Article
- Mitochondrial phylogenomics provides insights into the phylogeny and evolution of spiders (Arthropoda: Araneae).Zoological research · 2022Article
- Comparative mitogenomic analyses provide evolutionary insights into the retrolateral tibial apophysis clade (Araneae: Entelegynae).Frontiers in genetics · 2022Article
- The Complete Mitochondrial Genome of endemic giant tarantula, Lyrognathus crotalus (Araneae: Theraphosidae) and comparative analysis.Scientific reports · 2020Article
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- Complete mitochondrial genomes from two species of Chinese freshwater crabs of the genusZooKeys · 2017Article
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- Mitochondrial genome evolution and tRNA truncation in Acariformes mites: new evidence from eriophyoid mites.Scientific reports · 2016Article
- The Complete Mitochondrial Genome of two Tetragnatha Spiders (Araneae: Tetragnathidae): Severe Truncation of tRNAs and Novel Gene Rearrangements in Araneae.International journal of biological sciences · 2016Article
- The complete mitochondrial genome of the brown leg mite, Aleuroglyphus ovatus (Acari: Sarcoptiformes): evaluation of largest non-coding region and unique tRNAs.Experimental & applied acarology · 2014Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We have sequenced the complete mitochondrial genomes of the spiders Heptathela hangzhouensis and Ornithoctonus huwena. Both genomes encode 13 protein-coding genes, 22 tRNA genes, and 2 ribosomal RNA genes. H. hangzhouensis, a species of the suborder Mesothelae and a representative of the most basal clade of Araneae, possesses a gene order identical to that of Limulus polyphemus of Xiphosura. On the other hand, O. huwena, a representative of suborder Opisthothelae, infraorder Mygalomorphae, was found to have seven tRNA genes positioned differently from those of Limulus. The rrnL-trnL1-nad1 arrangement shared by the araneomorph families Salticidae, Nesticidae, and Linyphiidae and the mygalomorph family Theraphosidae is a putative synapomorphy joining the mygalomorph with the araneomorph. Between the two species examined, base compositions also differ significantly. The lengths of most protein-coding genes in H. hangzhouensis and O. huwena mtDNA are either identical to or slightly shorter than their Limulus counterparts. Usage of initiation and termination codons in these protein-coding genes seems to follow patterns conserved among most arthropod and some other metazoan mitochondrial genomes. The sequences of the 3' ends of rrnS and rrnL in the two species are similar to those reported for Limulus, and the entire genes are shortened by about 100-250 nucleotides with respect to Limulus. The lengths of most tRNA genes from the two species are distinctly shorter than those of Limulus and the sequences reveal unusual inferred tRNA secondary structures. Our finding provides new molecular evidence supporting that the suborder Mesothelae is basal to opisthothelids.
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