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  1. 2481
    “…In this study, wing geometric morphometrics (GM) and DNA barcoding based on the cytochrome c oxidase subunit 1 (COI) gene were applied to differentiate cryptic species of the Barbirostris complex in Thailand. …”
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    Geometric morphometric and molecular techniques for discriminating among three cryptic species of the Anopheles barbirostris complex (diptera: culicidae) in Thailand
  2. 2482
    por Guo, Bingyu, Kong, Lingfeng
    Publicado 2022
    “…In the present study, we performed three distance-based (ad hoc threshold, ABGD, and ASAP) and four tree-based (sGMYC, mGMYC, PTP, and mPTP) analyses based on Trochoidea COI data and analyzed the discordance between them. …”
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    Comparing the Efficiency of Single-Locus Species Delimitation Methods within Trochoidea (Gastropoda: Vetigastropoda)
  3. 2483
    “…Phylogenies based on rbcL and concatenated rbcL and COI‐5P genes support the recognition of Sungminia composed of three distinct lineages, Sungminia gladiata sp. nov., S. pyriformis sp. nov., and S. asiatica sp. nov. …”
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    Proposal for the Sungminiaceae fam. nov. (Ralfsiales, Phaeophyceae) for Sungminia gen. nov. with three new species based on molecular and morphological analyses
  4. 2484
    “…In addition to differences in adult and gall morphology, the new species is also readily separated by COI sequences, with a 6.2–8.9% genetic distance between populations of the new species and those of A.mairei. …”
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    A new species of Andricus Hartig, 1840 (Hymenoptera, Cynipidae) from China, with references to DNA taxonomy and Wolbachia infection
  5. 2485
    “…Furthermore, genetic differences between the two species strongly support the validity of both species based on molecular analysis (mtDNA, COI gene). In addition based on the sampling range, E.rankini was observed range from the Abrolhos Islands of Western Australia to south-eastern Indonesia, while E.multinotatus ranges from the Persian Gulf to southern Mozambique.…”
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    Epinephelusrankini Whitley, 1945, a valid species of grouper (Teleostei, Perciformes, Epinephelidae) from Western Australia and southeast Indonesia
  6. 2486
    “…To this aim, two different kinds of approach were employed, including a morphometric analysis of four morphological parameters (i.e., elytra length, elytra width, pronotum length, pronotum width) of 128 specimens, and a Bayesian genetic analysis of 44 cytochrome oxidase subunit I (COI) partial sequences (i.e., 38 examined for the first time and six retrieved from GenBank database). …”
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    Molecular and biometric data on Carabus (Macrothorax) morbillosus Fabricius, 1792 (Coleoptera, Carabidae) from Mid Mediterranean areas
  7. 2487
    “…All these species are characterised by a combination of morphological features complemented with a nucleotide diagnostic approach (specific COI nucleotides in the alignment position). Morphological characters used to discriminate between taxa refer to the branchial shape, presence/absence of ciliated papillae dorsal to thoracic notopodia and the morphology of thoracic and abdominal uncinal teeth. …”
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    A further step towards the characterisation of Terebellides (Annelida, Trichobranchidae) diversity in the Northeast Atlantic, with the description of a new species
  8. 2488
    “…Two are new and belong to the genus Glacioloxoconcha Hartmann, 1990, previously known only from Antarctica: Glacioloxoconchajeongokensissp. nov. and Glacioloxoconchajisepoensissp. nov.Loxocaudaorientalis is briefly redescribed, with some of the populations having unusual morphological features. COI and 18S rRNA sequences of all three species are provided and the latter marker used to assess the position of the subfamily within the family Loxoconchidae and the superfamily Cytheroidea. …”
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    Three Loxocaudinae species (Ostracoda, Podocopida) from South Korea
  9. 2489
    por Chen, Chong, Watanabe, Hiromi Kayama
    Publicado 2022
    “…The status of P.exquisitasp. nov. is also supported by a molecular phylogeny reconstruction using the mitochondrial cytochrome c oxidase subunit I (COI) gene, which suggested that it is most closely related to a clade of three species described from Okinawa Trough vents including P.clathrata, P.subglabra, and P.fenestrata. …”
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    A new provannid snail (Gastropoda, Abyssochrysoidea) discovered from Northwest Eifuku Volcano, Mariana Arc
  10. 2490
    “…All PCGs begin with the codon ATG, except for the cytochrome c oxidase subunit 1 (COI) gene, while seven PCGs end with an incomplete termination codon. …”
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    Complete mitochondrial genomes of two catfishes (Siluriformes, Bagridae) and their phylogenetic implications
  11. 2491
    “…The neighbour-joining tree based on public COI barcodes formed distinct clades with clear support for the new species. …”
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    Taxonomic study on the genus Stenochironomus Kieffer from the Baishanzu Nature Reserve, China (Diptera, Chironomidae)
  12. 2492
    “…A neotype is designated for Earinuslimitaris (Say, 1835) and diagnosed with a COI barcode. Earinusaustinbakeri and Earinuswalleyispp. nov. are described. …”
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    Description of Chilearinus Sharkey gen. nov. and status of Nearctic Earinus Wesmael, 1837 (Braconidae, Agathidinae) with the description of new species
  13. 2493
    “…The genus Ophioplinthaca was reviewed using both morphological data and a phylogenetic analysis, based on COI sequences. The taxonomic status of the genus Ophiophthalmus Matsumoto, 1917, a junior homonym of Ophiophthalmus Fitzinger, 1843 (a reptile) was clarified by proving prevailing usage of the ophiuroid name. …”
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    Review of Ophioplinthaca Verrill, 1899 (Echinodermata, Ophiuroidea, Ophiacanthidae), description of new species in Ophioplinthaca and Ophiophthalmus, and new records from the Northwest Pacific and the South China Sea
  14. 2494
    “…Phylogenetic analysis based on cytochrome c oxidase subunit I (COI) gene shows that M.littoralesp. nov. and M.hystrix are sister clades on two well-separated branch, M.shekouensesp. nov. and M.brandisp. nov. are sister clades on two well-separated branches. …”
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    Three new species of Macrostomum (Platyhelminthes, Macrostomorpha) from China and Australia, with notes on taxonomy and phylogenetics
  15. 2495
    “…In the present paper we used a molecular data set (including mitochondrial partial 16S rRNA and COI gene sequences) to examine the genetic structure of Lepidopleuruscajetanus (Poli, 1791) (Polyplacophora, Leptochitonidae) - a distinctive shallow water chiton and member of the basal branching Lepidopleurida, which is widespread in and adjacent to the Mediterranean. …”
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    Molecular analysis of Lepidopleuruscajetanus (Poli, 1791) (Polyplacophora, Leptochitonidae) from the Mediterranean and near Atlantic
  16. 2496
    “…The morphological data associated with the genetic distance values and the relationships observed in the COI gene tree, indicate that all metacercariae were A. compactum. …”
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    Morphological and molecular characterization of Austrodiplostomum compactum metacercariae in the eyes and brains of fishes from the Ivaí River, Brazil
  17. 2497
    “…Opposite diastereoselectivities are obtained with chiral Co-catalyst or Cp*CoI(2)CO. Combined experimental and computational studies suggest β-oxygen elimination being the selectivity-determining step of the reaction. …”
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    Cobalt(III)-catalyzed asymmetric ring-opening of 7-oxabenzonorbornadienes via indole C–H functionalization
  18. 2498
    “…Partial sequences of three molecular markers (SSU, EF1α, COI) for both collections are identical. A two-gene phylogeny of the first two markers displays the two known accessions as a well-separated entity and indicates affinity of the new species with L. columbinum (the type taxon of the genus), L. violaceum, and several nivicolous Lamproderma species.…”
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    Lamproderma vietnamense: a new species of myxomycetes with reticulate spores from Phia Oắc - Phia Đén National Park (northern Vietnam) supported by molecular phylogeny and morphological analysis
  19. 2499
    “…We also provide a brief phylogenetic tree based on cytochrome c oxidase subunit I (COI) sequences to discuss the evolution of bioluminescence and the direction of future research.…”
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    Investigating the diversity of bioluminescent marine worm Polycirrus (Annelida), with description of three new species from the Western Pacific
  20. 2500
    “…Techniques based on DNA sequencing, such as COI barcoding, accurately identify species substitution incidents; however, they are time consuming and expensive. …”
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    High-Resolution Melting (HRM) Analysis for Rapid Molecular Identification of Sparidae Species in the Greek Fish Market
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