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81 results for “cytotaxonomy”
FIGURE 1 in Cytotaxonomy of the Simuliidae (Diptera): a systematic and bibliographic conspectus
FIGURE 1. Number of chromosomal works on the Simuliidae per year, 1934 – 2014, including theses and dissertations. Klaus Rothfels’s seminal paper on the taxonomic utility of simuliid polytene chromosomes appeared in 1956.
Fig. 5 in Comparative cytogenetics in Astyanax (Characiformes: Characidae) with focus on the cytotaxonomy of the group
Fig. 5. DAPI stained karyotypes of Astyanax argyrimarginatus (a), A. aff. bimaculatus (b), A. elachylepis (c), A. xavante (d), Astyanax sp. (e), and A. altiparanae (f). Chromosomes carrying AgNORs and 18S sites are underlined in karyotypes. Bar = 5 µm.
Fig. 1 in Comparative cytogenetics in Astyanax (Characiformes: Characidae) with focus on the cytotaxonomy of the group
Fig. 1. Collection sites of Astyanax species in the Araguaia basin: (1) Avoadeira stream, (2) Jaraguá stream; (3) Taquaralzinho stream, (4) Grande stream, and (5) Dois de Agosto stream.
Fig. 8 in Comparative cytogenetics in Astyanax (Characiformes: Characidae) with focus on the cytotaxonomy of the group
Fig. 8. Dendogram showing the karyotypic similarity obtained by cluster analysis and Euclydean distance coefficient among the six species of Astyanax studied.
Fig. 4. CMA3 in Comparative cytogenetics in Astyanax (Characiformes: Characidae) with focus on the cytotaxonomy of the group
Fig. 4. CMA3 stained karyotypes of Astyanax argyrimarginatus (a), A. aff. bimaculatus (b), A. elachylepis (c), A. xavante (d), Astyanax sp. (e), and A. altiparanae (f). Chromosomes carrying AgNORs and 18S sites are underlined in karyotypes. Bar = 5 µm.
Fig. 7 in Comparative cytogenetics in Astyanax (Characiformes: Characidae) with focus on the cytotaxonomy of the group
Fig. 7. Idiogram for the six studied Astyanax species with data obtained with different methodologies.
Fig. 2 in Comparative cytogenetics in Astyanax (Characiformes: Characidae) with focus on the cytotaxonomy of the group
Fig. 2. Karyotypes of Astyanax argyrimarginatus (a), A. aff. bimaculatus (b), A. elachylepis (c), A. xavante (d), Astyanax sp. (e), and A. altiparanae (f), after conventional staining with Giemsa. Chromosomes carrying AgNORs and 18S sites (underlined in karyotypes) are highlighted in the box. Bar = 5 µm.
Fig. 6 in Comparative cytogenetics in Astyanax (Characiformes: Characidae) with focus on the cytotaxonomy of the group
Fig. 6. Karyotypes of Astyanax argyrimarginatus (a), A. aff. bimaculatus (b), A. elachylepis (c), A. xavante (d), Astyanax sp. (e), and A. altiparanae (f) after FISH with 5S-DNA probes. Bar = 5 µm.
Data from: Cytotaxonomy of Piptatherum kuoi (Stipeae, Poaceae)
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FIGURE 14 in Cytotaxonomy and DNA taxonomy of lizards (Squamata, Sauria) from a tropical dry forest in the Chamela-Cuixmala Biosphere Reserve on the coast of Jalisco, Mexico
FIGURE 14. Neighbour-Joining tree of 16S rDNA haplotypes (462 bp) of Aspidoscelis species. Bootstrap values (%) obtained by the NJ, ML and MP are shown. The substitution model selected for ML was the GTR model with rate variation among sites (+G), a proportion of invariable sites I = 0.4604 and a gamma distribution shape parameter of 0.4453. Asterisks indicate taxon with paraphyletic haplotypes.
FIGURE 9 in Cytotaxonomy and DNA taxonomy of lizards (Squamata, Sauria) from a tropical dry forest in the Chamela-Cuixmala Biosphere Reserve on the coast of Jalisco, Mexico
FIGURE 9. Karyotype of Norops nebulosus, male (2n=30). Note the three pairs of heteromorphic chromosomes (pairs 5, 6 and 7).
FIGURE 4 in Cytotaxonomy and DNA taxonomy of lizards (Squamata, Sauria) from a tropical dry forest in the Chamela-Cuixmala Biosphere Reserve on the coast of Jalisco, Mexico
FIGURE 4. Karyotype of Coleonyx elegans, female (2n = 31 and FN = 32). Note the single large metacentric (no. 1) that it is tentatively paired with two medium sized acrocentric chromosomes.
FIGURE 8 in Cytotaxonomy and DNA taxonomy of lizards (Squamata, Sauria) from a tropical dry forest in the Chamela-Cuixmala Biosphere Reserve on the coast of Jalisco, Mexico
FIGURE 8. Neighbour-Joining tree of 16S rDNA haplotypes (455 bp) of Urosaurus species. Bootstrap values (%) obtained by the NJ, ML and MP are shown. The substitution model selected for ML was Tamura-Nei model (Tamura & Nei 1993) with rate variation among sites (+G), and a gamma distribution shape parameter of 0.0855.
FIGURE 3 in Cytotaxonomy and DNA taxonomy of lizards (Squamata, Sauria) from a tropical dry forest in the Chamela-Cuixmala Biosphere Reserve on the coast of Jalisco, Mexico
FIGURE 3. Neighbour-Joining tree of 16S rDNA haplotypes (511 bp) of Gerrhonotus species. Bootstrap values (%) obtained by the NJ, ML and MP are shown. The substitution model selected for ML was the Hasegawa, Kishino, Yano (HKY) model (Hasegawa et al. 1985) with rate variation among sites (+G), and a gamma distribution shape parameter of 0.2997.
FIGURE 11 in Cytotaxonomy and DNA taxonomy of lizards (Squamata, Sauria) from a tropical dry forest in the Chamela-Cuixmala Biosphere Reserve on the coast of Jalisco, Mexico
FIGURE 11. Neighbour-Joining tree of 16S rDNA haplotypes (518 bp) of Plestiodon species. Bootstrap values (%) obtained by the NJ, ML and MP are shown. The substitution model selected for ML was the Generalised time reversible (GTR) model with rate variation among sites (+G), a proportion of invariable sites I = 0.5020 and a gamma distribution shape parameter of 0.3681.
FIGURE 2 in Cytotaxonomy and DNA taxonomy of lizards (Squamata, Sauria) from a tropical dry forest in the Chamela-Cuixmala Biosphere Reserve on the coast of Jalisco, Mexico
FIGURE 2 (continued). I–J, Anolis nebulosus; K, Mabuya unimarginata; L. Plestiodon parvulus; M, Ameiva undulata; N, Aspidoscelis communis (young); O, Aspidoscelis lineattissima (young).
FIGURE 6 in Cytotaxonomy and DNA taxonomy of lizards (Squamata, Sauria) from a tropical dry forest in the Chamela-Cuixmala Biosphere Reserve on the coast of Jalisco, Mexico
FIGURE 6. Karyotypes of Sceloporus melanorhinus; specimen CEAC15 male (2n = 39). Sex chromosomes are tentatively identified following Hall (1973, 2009).
FIGURE 7 in Cytotaxonomy and DNA taxonomy of lizards (Squamata, Sauria) from a tropical dry forest in the Chamela-Cuixmala Biosphere Reserve on the coast of Jalisco, Mexico
FIGURE 7. Karyotype of Sceloporus utiformis, male (2n = 34). The smaller microchromosome represents the Y chromosome. The X chromosome is another unidentified microchromosome.
FIGURE 2 in Cytotaxonomy and DNA taxonomy of lizards (Squamata, Sauria) from a tropical dry forest in the Chamela-Cuixmala Biosphere Reserve on the coast of Jalisco, Mexico
FIGURE 2. Photos of studied species from the study area. A, Gerrhonotus cf. liocephalus; B, Coleonyx elegans; C, Phyllodactylus lanei; D, Hemidactylus frenatus; E, Sceloporus utiformis; F, Sceloporus utiformis (young); G, Sceloporus melanorhinus; H, Sceloporus melanorhinus (young).
FIGURE 1 in Cytotaxonomy of the Simuliidae (Diptera): a systematic and bibliographic conspectus
FIGURE 1. Number of chromosomal works on the Simuliidae per year, 1934–2014, including theses and dissertations. Klaus Rothfels's seminal paper on the taxonomic utility of simuliid polytene chromosomes appeared in 1956.
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