18S rDNA
Distribution of mosquitoes in the south east of Argentina and first report on the analysis based on 18S rDNA and COI sequences.
... Maximum Likelihood, Parsimony and Neighbor-Joining trees based on the information given by mosquito 18S rDNA sequences resulted in very similar trees, with slight differences in the position of species ...
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Isolation, morphological and molecular characterization of phytate-hydrolysing fungi by 18S rDNA sequence analysis
... of 18S rRNA gene was done by using gene specific ...(18S rDNA) was selected for characterization and identification of fungi firstly, because established universal fungal primers are available based ...
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Cytogenetic analysis and chromosomal characteristics of the polymorphic 18S rDNA in the fish Prochilodus lineatus (Characiformes, Prochilodontidae)
... of rDNA loci through unequal crossing-over or sister chromatid ex- changes involving repeated sequences and adjacent loci has been proposed as the main mechanism for these rDNA polymorphisms (Pendás et ...
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Chromosome evolution in tiger beetles: Karyotypes and localization of 18S rDNA loci in Neotropical Megacephalini (Coleoptera, Cicindelidae)
... The hybridization probe used was obtained by PCR amplification of an 18S rDNA 555 bp fragment as ex- plained in De la Rúa et al. (1996) and labeled with bio- tin-16-dUTP using a second PCR reaction. With ...
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Fluorescent in situ hybridization (FISH) was per- formed with a biotinyled 18S rDNA probe from the fish Prochilodus argenteus (Hatanaka and Galetti Jr, 2004) and
... of 18S rDNA sites oc- curred between populations of ...5S rDNA probe (Figure 2b, d and e) (Fernandes and Martins-Santos, 2004; 2006; Do- mingues et ...5S rDNA sites seemed to be conserved in ...
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Biodiversidade de Selenastraceae (Sphaeropleales, Chlorophyceae) : características morfológicas e sequenciamento dos marcadores moleculares 18S rDNA, rbcL e ITS como base taxonômica tradicional
... Hindák (1988) established Kirchneria as Kircheneriella-like cells without pyrenoid and cell wall granulation, restricting Raphidocelis to the ones with cell wall incrustations, which Marvan et al. (1984) had formerly ...
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Morphology and 18S rDNA gene sequence of Spirostomum minus and Spirostomum teres (Ciliophora: Heterotrichea) from Rio de Janeiro, Brazil
... and 18S rDNA gene sequences of Spirostomum teres Claparède & Lachmann, 1858 and Spirostomum minus Roux, 1901, isolated from a sewage treatment plant and a freshwater lake in the city of Rio de Janeiro, ...
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Chromosomal painting and ZW sex chromosomes differentiation in Characidium (Characiformes, Crenuchidae)
... The 18S rDNA revealed distinctive patterns for each analyzed species/population with regard to proto sex chromosome, sex chromosome pair, and autosome ...
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Ubiquity and diversity of human-associated Demodex mites.
... The 18S rDNA sequence does not resolve the sister group to ...16S rDNA also find that dog-hosted Demodex mites share a recent common ancestor with a human-associated species, though in this case ...
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Cytogenetic divergence between two sympatric species of Characidium (Teleostei, Characiformes, Crenuchidae) from the Machado River, Minas Gerais, Brazil
... The cytogenetic information available in the litera- ture for other Characidium species reports some species with a single chromosome pair bearing Ag-NORs and yet other species with multiple ribosomal sites. Variation in ...
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Evolutionary dynamics of rRNA gene clusters in cichlid fish
... for 18S rDNA, and the more intense dispersion of these genes seems to be related to their common presence in the terminal regions of the ...of rDNA segments could be mediated by extrachromosomal ...
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Estudo da evolução molecular de sequências de rDNA 18S aplicado à investigação de fatores de patogenicidade do filo Ascomycota
... (18S) rDNA sequences, represen- tative of all groups of Fungi and used as input in a Bayesian phylogenetic ...subunit rDNA sequences but support estimates based on multiprotein analysis, suggesting ...
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Cytogenetic analysis in three Bryconamericus species (Characiformes, Characidae): first description of the 5S rDNA-bearing chromosome pairs in the genus
... 45S rDNA gene transcription, because the 18S rDNA FISH probe of these regions detected signals with the similar ...the rDNA segments (45S), taking into account that and such no heteromorphism ...
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Leila Braga Ribeiro1 , Daniele Aparecida Matoso2 and Eliana Feldberg
... the 18S and 5S rDNA and telomeric sequences in mitotic chromosomes of four species from the basal clade of the Serrasalmidae family: Colossoma macropomum, Mylossoma aureum, ...The 18S rDNA ...
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Cytogenetic and molecular markers reveal the complexity of the genus Piabina Reinhardt, 1867 (Characiformes: Characidae)
... of 18S and 5S ribosomal DNA sites in synteny is rare in vertebrates and has only been reported in a few organisms, such as the fish species Salmo salar (Linnaeus, 1758) (Pendás et ...the 18S rDNA ...
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Chromosome localization of the ribosomal genes 18S and 5S in four stocks of rainbow trout (Oncorhynchus mykiss) from cultivated and naturalized stocks in Brazil
... genes 18S rDNA and 5S rDNA in four rainbow trout ...river, 18S genes were located at a subterminal position in the long arms of two submetacen- tric chromosomes, whereas in specimens from ...
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Are NORs Always Located on Homeologous Chromosomes? A FISH Investigation with rDNA and Whole Chromosome Probes in Gymnotus Fishes (Gymnotiformes)
... of rDNA with the NOR-bearer chromosome, by doing dual- color FISH with 18S rDNA and whole NOR-bearer chromosome probes (GCA 20, [39]) on different species of Gymnotus from different places in Brazil ...
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Cytogenetic analysis of the 18S, 5S rDNA and B chromosome of Iheringichthys labrosus (Lütken, 1874) (Siluriformes, Pimelodidae)
... the 18S rDNA probe has been growing in the family Pimelodidae, confirming data obtained with silver nitrate, as observed in Pinirampus pirinampu (Spix and Agassiz, 1829) (Swarça et ...5S rDNA probe ...
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Cytogenetic studies in three species of Lutjanus (Perciformes: Lutjanidae: Lutjaninae) from the Isla Margarita, Venezuela
... with 18S rDNA, in ...with 18S rDNA confirms the NORs sites detected by Ag-staining, but also reveals further positive sites, so that up to three NORs were ob- served in females ...
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Delimiting the Origin of a B Chromosome by FISH Mapping, Chromosome Painting and DNA Sequence Analysis in Astyanax paranae (Teleostei, Characiformes)
... The 18S rDNA, the ITS regions, and the H1 and H3 histone genes were amplified on the A. paranae m B-DNA, and we also amplified them on 0B-gDNA from A. paranae, A. bockmanni, A. fasciatus and A. altiparanae. ...
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