Results 1 to 10 of about 2,864 (116)

Additional data of cryptic species of the blind mole rat (Nannospalax, Rodentia) (2n = 52, NF = 84) from the Eastern Anatolia Region of Türkiye [PDF]

Comparative Cytogenetics
In this study, five blind mole rat specimens of the Nannospalax sp. were collected from two different localities in Muş Province, Eastern Anatolia, Türkiye.
Gökhan Yürümez
doaj   +4 more sources

Chicken rRNA Gene Cluster Structure. [PDF]

PLoS ONE, 2016
Ribosomal RNA (rRNA) genes, whose activity results in nucleolus formation, constitute an extremely important part of genome. Despite the extensive exploration into avian genomes, no complete description of avian rRNA gene primary structure has been ...
Alexander G Dyomin, Elena I Koshel, Artem M Kiselev, Alsu F Saifitdinova, Svetlana A Galkina, Tatsuo Fukagawa, Anna A Kostareva, Elena R Gaginskaya   +7 more
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Elucidation of motifs in ribosomal protein S9 that mediate its nucleolar localization and binding to NPM1/nucleophosmin. [PDF]

PLoS ONE, 2012
Biogenesis of eukaryotic ribosomes occurs mainly in a specific subnuclear compartment, the nucleolus, and involves the coordinated assembly of ribosomal RNA and ribosomal proteins.
Mikael S Lindström
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Chromosome study in Schistocerca (Orthoptera-Acrididae-Cyrtacanthacridinae): karyotypes and distribution patterns of constitutive heterochromatin and nucleolus organizer regions (NORs)

Genetics and Molecular Biology, 2007
Chromosome analyses were performed in two grasshopper species of the genus Schistocerca, S. pallens and S. flavofasciata. Both species shared the same diploid number (2n = 23, X in males; 2n = 24, XX in females);and a conserved karyotype composed ...
Maria José de Souza, Natoniel Franklin de Melo   +1 more
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A comparative structural cytogenetic study in three allopatric populations of Astyanax scabripinnis (Teleostei: Characidae)

Zoologia (Curitiba), 2012
Individual samples from five populations of the characid fish Astyanax scabripinnis (Jenyns, 1842) from the Tietê and Paranapanema river basins (Brazil) were studied.
Natália M. Santos, Maressa Ferreira-Neto, Roberto F. Artoni, Marcelo R. Vicari, Mohammed Bakkali, Claudio de Oliveira, Fausto Foresti   +6 more
doaj   +1 more source

Targeted Enrichment of rRNA Gene Tandem Arrays for Ultra-Long Sequencing by Selective Restriction Endonuclease Digestion

Frontiers in Plant Science, 2021
Large regions of nearly identical repeats, such as the 45S ribosomal RNA (rRNA) genes of Nucleolus Organizer Regions (NORs), can account for major gaps in sequenced genomes.
Anastasia McKinlay, Dalen Fultz, Dalen Fultz, Feng Wang, Feng Wang, Craig S. Pikaard, Craig S. Pikaard   +6 more
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QUANTITATIVE STUDY OF GASTRIC EPITHELIAL LESIONS BY NUCLEOLAR ORGANIZER REGION STAINING [PDF]

Acta Medica Iranica, 2004
Nucleolar organizer regions (NOR) are defined as nucleolar components containing a set of argyrophilic proteins which are selectively stained by colloidal silver nitrate staining.
M.R. Arab, T. Talie-Khoozani, Z. Tabei T. Taki   +2 more
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Colocalization of coilin and nucleolar proteins in Cajal body-like structures of micronucleated PtK2 cells

Brazilian Journal of Medical and Biological Research, 2004
Cajal bodies (CB) are ubiquitous nuclear structures involved in the biogenesis of small nuclear ribonucleoproteins and show narrow association with the nucleolus. To identify possible relationships between CB and the nucleolus, the localization of coilin,
N.P. Silva, D.M. Christofolini, R.A. Mortara, L.E.C. Andrade   +3 more
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Cytogenetic and identification of the nucleolus organizer region in Heliconia bihai (L.) L.

Revista Ceres, 2014
The genus Heliconia is not much studied and the number of existing species in this genus is still uncertain. It is known that this number relies between 150 to 250 species. In Brazil, about 40 species are native and known by many different names.
Heloisa Rocha do Nascimento, Ricardo Gallo, Isane Vera Karsburg, Ademilso Sampaio Oliveira   +3 more
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Standard karyotype and nucleolus organizer region of Neotropical blindsnake Typhlops brongersmianus (Serpentes: Typhlopidae)

Acta Herpetologica, 2007
The karyotype of Typhlops brongersmianus is reported on the basis of specimens from north-eastern Argentina. The conventional Giemsa staining showed that the species has 2n = 34 chromosomes, including 8 pairs of macrochromosomes and 9 pairs of ...
José Augusto Ruiz García, Alejandra Hernando   +1 more
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