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42 results for “polytene chromosomes”
FIGURE 8 in Markers in the polytene chromosomes of freshwater Chironomus Meigen (Diptera, Chironomidae) species
FIGURE 8. Polytene chromosomes of Chironomus muratensis. The numbers on the chromosome arms indicate the "basic"sequences. The large arrows show the localization of the centromere region. The small arrow on chromosome G indicates the marker sequences required for species identification. BR—Balbiani Ring, NOR—Nuclear Organizer Region. A, B, C, D, E, F, G—arms of the chromosomes. Scale bar, 10µm.
FIGURE 19 in Markers in the polytene chromosomes of freshwater Chironomus Meigen (Diptera, Chironomidae) species
FIGURE 19. Polytene chromosomes of Chironomus nudiventris. The numbers on the chromosome arms indicate the "basic"sequences. The large arrows show the localization of the centromere region. The small arrow on chromosome G indicates the marker sequences required for species identification. BR—Balbiani Ring, NOR—Nuclear Organizer Region. A, B, C, D, E, F, G—arms of the chromosomes. Scale bar, 10µm.
FIGURE 21 in Markers in the polytene chromosomes of freshwater Chironomus Meigen (Diptera, Chironomidae) species
FIGURE 21. Polytene chromosomes of Chironomus bernensis. The numbers on the chromosome arms indicate the "basic"sequences. The large arrows show the localization of the centromere region. The small arrow on chromosome G indicates the marker sequences required for species identification. BR—Balbiani Ring, NOR—Nuclear Organizer Region. A, B, C, D, E, F, G—arms of the chromosomes. Scale bar, 10µm.
FIGURE 10 in Markers in the polytene chromosomes of freshwater Chironomus Meigen (Diptera, Chironomidae) species
FIGURE 10. Polytene chromosomes of Chironomus obtusidens. The numbers on the chromosome arms indicate the "basic"sequences. The large arrows show the localization of the centromere region. The small arrow on chromosome G indicates the marker sequences required for species identification. BR—Balbiani Ring, NOR—Nuclear Organizer Region. A, B, C, D, E, F, G—arms of the chromosomes. Scale bar, 10µm.
FIGURE 6 in Markers in the polytene chromosomes of freshwater Chironomus Meigen (Diptera, Chironomidae) species
FIGURE 6. Polytene chromosomes of Chironomus bonus. The numbers on the chromosome arms indicate the "basic"sequences. The large arrows show the localization of the centromere region. The small arrow on chromosome G indicates the marker sequences required for species identification. BR—Balbiani Ring, NOR—Nuclear Organizer Region. A, B, C, D, E, F, G—arms of the chromosomes. Scale bar, 10µm.
FIGURE 5 in Markers in the polytene chromosomes of freshwater Chironomus Meigen (Diptera, Chironomidae) species
FIGURE 5. Polytene chromosomes of Chironomus balatonicus. The numbers on the chromosome arms indicate the "basic"sequences. The large arrows show the localization of the centromere region. The small arrow on chromosome G indicates the marker sequences required for species identification. BR—Balbiani Ring, NOR—Nuclear Organizer Region. A, B, C, D, E, F, G—arms of the chromosomes. Scale bar, 10µm.
FIGURE 3 in Markers in the polytene chromosomes of freshwater Chironomus Meigen (Diptera, Chironomidae) species
FIGURE 3. Polytene chromosomes of Chironomus annularius. The numbers on the chromosome arms indicate the "basic"sequences. The large arrows show the localization of the centromere region. The small arrow on chromosome G indicates the marker sequences required for species identification. BR—Balbiani Ring, NOR—Nuclear Organizer Region. A, B, C, D, E, F, G—arms of the chromosomes. Scale bar, 10µm.
FIGURE 1 in Markers in the polytene chromosomes of freshwater Chironomus Meigen (Diptera, Chironomidae) species
FIGURE 1. Polytene chromosomes of Chironomus piger. The numbers on the chromosome arms indicate the "basic"sequences. The large arrows show the localization of the centromere region. The small arrow on chromosome G indicates the marker sequences required for species identification. BR—Balbiani Ring, NOR—Nuclear Organizer Region. A, B, C, D, E, F, G—arms of the chromosomes. Scale bar, 10µm.
FIGURE 3 in Polytene chromosomes of Simulium (Psaroniocompsa) daltanhani (Diptera: Simuliidae) from Central Amazonia, Brazil
FIGURE 3. Chromosome III of Simulium daltanhani. Bl = blister, bm = basal marker, C = centromere, Ca = capsule, Em = end marker, IIIL = long arm, IIIS = short arm. Section numbers indicate regions homologous with S. ulyssesi. Brackets on IIIL indicate the large, fixed inversion, relative to S. ulyssesi, that inverts the basal and end markers.
FIGURE 2. Chromosome II in Polytene chromosomes of Simulium (Psaroniocompsa) daltanhani (Diptera: Simuliidae) from Central Amazonia, Brazil
FIGURE 2. Chromosome II of Simulium daltanhani. C = centromere, IIL = long arm of male larva, IIS = short arm, RB = ring of Balbiani, T = trapezoid, '3' = three sharp, Pb = parabalbiani. Section numbers indicate regions homologous with S. ulyssesi. IIL-1 = breakpoints of heterozygous inversion linked to the X chromosome; brackets on IIS indicate fixed inversions relative to the sequence of S. ulyssesi.
FIGURE 1. Chromosome I in Polytene chromosomes of Simulium (Psaroniocompsa) daltanhani (Diptera: Simuliidae) from Central Amazonia, Brazil
FIGURE 1. Chromosome I of Simulium daltanhani. C = centromere, IL = long arm, IS = short arm, NO = nucleolar organizer, '3h' = three heavy. Section numbers indicate regions homologous with S. ulyssesi.
FIGURE 20 in Markers in the polytene chromosomes of freshwater Chironomus Meigen (Diptera, Chironomidae) species
FIGURE 20 (B). Figure continued.
Figure 6 from: Giardini MC, Milla FH, Lanzavecchia S, Nieves M, Cladera JL (2015) Sex chromosomes in mitotic and polytene tissues of Anastrepha fraterculus (Diptera, Tephritidae) from Argentina: a review. In: De Meyer M, Clarke AR, Vera MT, Hendrichs J (Eds) Resolution of Cryptic Species Complexes of Tephritid Pests to Enhance SIT Application and Facilitate International Trade. ZooKeys 540: 83-94. https://doi.org/10.3897/zookeys.540.6058
Figure 6 - Cytogenetic summary of sexual chromosome pair. Ideogram of sex chromosomes of Anastrepha fraterculus from Argentina (most frequent karyotype). Relative location of C-Bands, DAPI/CMA bands, 18S and anti-H3S28ph hybridization signals.
Figure 4 from: Giardini MC, Milla FH, Lanzavecchia S, Nieves M, Cladera JL (2015) Sex chromosomes in mitotic and polytene tissues of Anastrepha fraterculus (Diptera, Tephritidae) from Argentina: a review. In: De Meyer M, Clarke AR, Vera MT, Hendrichs J (Eds) Resolution of Cryptic Species Complexes of Tephritid Pests to Enhance SIT Application and Facilitate International Trade. ZooKeys 540: 83-94. https://doi.org/10.3897/zookeys.540.6058
Figure 4 - Immunodetection analysis with H3S28ph antibody. Mitotic chromosome preparations of male (A, B, C) and female (D, E, F) individuals from Anastrepha fraterculus A, D DAPI stain B, E anti-H3S28ph hybridization signal C, F Merged images. Arrow heads indicate sex chromosome position.
Figure 1 from: Giardini MC, Milla FH, Lanzavecchia S, Nieves M, Cladera JL (2015) Sex chromosomes in mitotic and polytene tissues of Anastrepha fraterculus (Diptera, Tephritidae) from Argentina: a review. In: De Meyer M, Clarke AR, Vera MT, Hendrichs J (Eds) Resolution of Cryptic Species Complexes of Tephritid Pests to Enhance SIT Application and Facilitate International Trade. ZooKeys 540: 83-94. https://doi.org/10.3897/zookeys.540.6058
Figure 1 - C-Band Ideogram. Sex chromosomes configurations of Anastrepha fraterculus found in Argentina (redrawn from Basso 2003). * Position of centromeres in each chromosome.
Figure 3 from: Giardini MC, Milla FH, Lanzavecchia S, Nieves M, Cladera JL (2015) Sex chromosomes in mitotic and polytene tissues of Anastrepha fraterculus (Diptera, Tephritidae) from Argentina: a review. In: De Meyer M, Clarke AR, Vera MT, Hendrichs J (Eds) Resolution of Cryptic Species Complexes of Tephritid Pests to Enhance SIT Application and Facilitate International Trade. ZooKeys 540: 83-94. https://doi.org/10.3897/zookeys.540.6058
Figure 3 - 18S rDNA FISH analysis. Mitotic chromosome preparations from third instar larvae of Anastrepha fraterculus male. A DAPI stain B rDNA hybridization signal (autologous probe) C Merged images.
Figure 2 from: Giardini MC, Milla FH, Lanzavecchia S, Nieves M, Cladera JL (2015) Sex chromosomes in mitotic and polytene tissues of Anastrepha fraterculus (Diptera, Tephritidae) from Argentina: a review. In: De Meyer M, Clarke AR, Vera MT, Hendrichs J (Eds) Resolution of Cryptic Species Complexes of Tephritid Pests to Enhance SIT Application and Facilitate International Trade. ZooKeys 540: 83-94. https://doi.org/10.3897/zookeys.540.6058
Figure 2 - The most frequent karyotype of Anastrepha fraterculus found in Argentina. Mitotic chromosome preparations from third instar larvae of Anastrepha fraterculus male. A C-Bands B DAPI stain C CMA stain D Merged DAPI/CMA images.
Figure 5 from: Giardini MC, Milla FH, Lanzavecchia S, Nieves M, Cladera JL (2015) Sex chromosomes in mitotic and polytene tissues of Anastrepha fraterculus (Diptera, Tephritidae) from Argentina: a review. In: De Meyer M, Clarke AR, Vera MT, Hendrichs J (Eds) Resolution of Cryptic Species Complexes of Tephritid Pests to Enhance SIT Application and Facilitate International Trade. ZooKeys 540: 83-94. https://doi.org/10.3897/zookeys.540.6058
Figure 5 - 18S rDNA FISH analysis in polytene and mitotic tissues. Polytene and mitotic chromosome preparations obtained from third instar larvae of male (A) and female (B) of Anastrepha fraterculus. In each case: 1 Polytene chromosomes DAPI stain 2 Polytene chromosomes 18S rDNA hybridization signa (FISH) 3 Polytene chromosomes merged image (DAPI/FISH) 4 Mitotic chromosomes DAPI stain 5 Mitotic chromosomes 18S rDNA hybridization signal (FISH) 6 Mitotic chromosomes merged image (DAPI/FISH).
Array CGH of Drosophila polytene chromosomes on heterochromatin custom array.
GEO Series GSE36264. Drosophila melanogaster. 3 samples. Type: Genome variation profiling by array.
H3K9 promotes under-replication of pericentromeric heterochromatin in Drosophila salivary gland polytene chromosomes
GEO Series GSE125505. Drosophila melanogaster. 6 samples. Type: Other.
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