“…The fastest- and slowest-evolving genes were ATP8 and COI, respectively. Codon usage analysis indicated that CUA, AUC, GCC, UUC, CUC, and ACC were the six most frequent codons. …”
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“…In this study, we used two mitochondrial (Cyt b and COI) and three nuclear (GHR, IRBP, and RAG1) genes to estimate the phylogeny, divergence times, and biogeographic history of B. bowersi. …”
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“…The present study aimed to molecularly identify and characterize the hard ticks infesting camels from the northern region (Ha’il province) of Saudi Arabia using the mitochondrial barcoding gene cytochrome oxidase subunit I (COI). The sequences of tick samples from camels in three regions of Ha’il were aligned with those previously reported from different geographic regions, revealing nine haplotypes, of which six were newly described in this study for the first time. …”
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“…We tested the relative importance of each ecological barrier by building the phylogeny, based on mitochondrial cytochrome oxidase gene (COI) sequences, of a group of microorganisms common in freshwater and soils, the Arcellidae (Arcellinida; Amoebozoa). …”
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“…These nematodes were clustered together with clade of H. koreana in cytochrome c oxidase subunit I (COI) gene, but a haplotype was different when compared with previous reported haplotypes (haplotype A-C) in Japan. …”
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“…The new species differs from other species of the P.bastardi clade by ≥ 12.4% uncorrected p-distance at the mitochondrial 16S rRNA gene and it forms a monophyletic group in the COI mtDNA phylogenetic tree. It lacks haplotype sharing at the nuclear KIAA1239 and CMOS genes with the other species of the same complex, including the syntopic P.rennerae. …”
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“…Ophiocordycepstortuosa and O.ansiformis are recorded on the same species of Colobopsis ant, based on phylogenetic analyses (COI), which may be sharing the same host. Ophiocordycepstortuosa and O.ansiformis share the morphological character of producing lanceolate ascospores. …”
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“…Our study revealed that leontopodic acid A effectively boosted COI-1 expression, hindered MMP-1 expression, curbed ROS and Ca(2+) endocytosis, and reduced OPN3 expression. …”
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“…The 12: 1 reaction of urea (U) with CoI(2) in EtOH yielded the “clathrate-coordination” compound [Formula: see text] 4U (1). …”
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“…METHODOLOGY/PRINCIPAL FINDINGS: DNA sequence data are presented for four populations of S. mekongi from Cambodia and southern Laos, three of which were distinguishable at the COI (cox1) and 12S (rrnS) mitochondrial loci sampled. …”
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“…We examined the evolution of the nuclear ribosomal internal transcribed spacer (ITS) and mitochondrial markers (COI, putative control region) in Porites, one of the most taxonomically challenging and ecologically important genera of reef-building corals. …”
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“…METHODOLOGY/PRINCIPAL FINDINGS: Analysis of the cytochrome c oxidase subunit I (COI) gene from 391 species from 8 coral reef locations revealed that 98% of these species exhibit distinct barcode clusters, allowing their unambiguous identification. …”
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“…Using a combined dataset of 156 western and 33 eastern Pacific terebrid samples, a phylogenetic tree was constructed based on analyses of 16S, COI and 12S mitochondrial genes. The 33 eastern Pacific specimens analyzed represent four different species: Acus strigatus, Terebra argyosia, T. ornata, and T. cf. formosa. …”
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“…RESULTS: A DNA barcode reference library is built for 112 EPT species for the focal region, consisting of 2277 COI sequences. Close correspondence was found between EPT morphospecies and haplotype clusters as designated using a standard threshold value. …”
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“…In particular, I assess how the DNA barcode segment of the mitochondrial COI gene performs across a broad temporal range given its number one position of priority, most sequenced status, and the conflicting opinions on its phylogenetic performance. …”
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“…RESULTS: By sequencing one nuclear (ITS) and two mitochondrial (COI and 12S) regions, we show that four partially sympatric Niphargus clades are present in Frasassi. …”
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“…This study examines the value of DNA barcodes, sequences of the mitochondrial COI gene, to enhance understanding of mammalian diversity in the region and hence to aid conservation planning. …”
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“…Based on a three gene (COI, 12S and 16S) molecular phylogeny, including ~50 species from the West-Pacific, five main terebrid lineages were discriminated: two of these lineages independently lost their venom apparatus, and one venomous lineage was previously unknown. …”
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