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8 results for “Arapaimidae”
FIGURE 4 in Comparative cytogenetic survey of the giant bonytongue Arapaima fish (Osteoglossiformes: Arapaimidae), across different Amazonian and Tocantins/Araguaia River basins
FIGURE 4 | Metaphase plates of Arapaima gigas from Mamirauá (MAM) population (Amazon River basin) hybridized with repetitive DNA sequences, including mono-, di- and trinucleotide microsatellites and the multigene families U2 snDNA. Bar=5 µm.
FIGURE 2 in Comparative cytogenetic survey of the giant bonytongue Arapaima fish (Osteoglossiformes: Arapaimidae), across different Amazonian and Tocantins/Araguaia River basins
FIGURE 2 | Karyotypes of Arapaima gigas male (A–C) and female (D–F) from Javaé (JAV) population (Araguaia-Tocantins River basin), sequentially arranged from Giemsa-stained (A and D), C-banded (B and E), and double-FISH (C and F) with 5S rDNA (green) and 18S rDNA (red) labeled chromosomes. Bar=5 µm.
FIGURE 1 in Comparative cytogenetic survey of the giant bonytongue Arapaima fish (Osteoglossiformes: Arapaimidae), across different Amazonian and Tocantins/Araguaia River basins
FIGURE 1 | Map of northern part of South America showing the sampling sites of Arapaima individuals analyzed in this study from Araguaia-Tocantins (brown) and Amazon (green) River basins, coded in the Tab. 1.
FIGURE 5 in Comparative cytogenetic survey of the giant bonytongue Arapaima fish (Osteoglossiformes: Arapaimidae), across different Amazonian and Tocantins/Araguaia River basins
FIGURE 5 | Comparative genomic hybridization (CGH) experiments on metaphase chromosomes of Arapaima individuals from the Javaé (JAV) (A–D) and Mamirauá (MAM) populations (E–H). First column (A and E): DAPI images of chromosomes; Second column (B and F): Hybridization pattern using gDNA of A. gigas from MAM population (red): Third column (C and G): Hybridization pattern using the gDNA of A. gigas from JAV population (green); Fourth column (D and H) overlap of the images. The shared regions are highlighted in yellow. The arrows indicate the higher abundance of some repetitions in individuals from MAM population. Bar=5 µm.
FIGURE 3 in Comparative cytogenetic survey of the giant bonytongue Arapaima fish (Osteoglossiformes: Arapaimidae), across different Amazonian and Tocantins/Araguaia River basins
FIGURE 3 | Metaphase plates of Arapaima gigas from Javaé (JAV) population (Araguaia-Tocantins River basin) hybridized with repetitive DNA sequences, including mono-, di- and trinucleotide microsatellites and the multigene families U2 snDNA. Bar=5 µm.
Fig. 2 in Chromosomal characterization of the bonytongue Arapaima gigas (Osteoglossiformes: Arapaimidae)
Fig. 2. Metaphases of Arapaima gigas. (a) Silver nitrate-stained showing two Ag-NOR sites (arrows); (b) and (c) 18S rDNA - FISH showing a single NOR-bearing chromosome pair and NOR size polymorphism (arrows); (d) C-banded chromosomes showing centromeric heterochromatin. Bar = 5 µm.
Fig. 1 in Feeding of juvenile pirarucu (Arapaima gigas, Arapaimidae) in their natural environment, lago Quatro Bocas, Araguaiana-MT, Brazil
Fig. 1. Partial map showing the Tocantins-Araguaia basin. In prominence, the rio Araguaia. Arrow indicates the lago Quatro Bocas.
Fig. 1 in Chromosomal characterization of the bonytongue Arapaima gigas (Osteoglossiformes: Arapaimidae)
Fig. 1. Karyotype of Arapaima gigas showing chromosome constrictions in pair 3. Bar = 5 µm.
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