Results 1 to 10 of about 182,984 (149)

Interindividual and intercellular polymorphisms of Ag-NOR pattern in mink embryo siblings [PDF]

open access: yesGenetics Selection Evolution, 1994
La variabilite de la coloration a l'argent des regions des organisateurs nucleolaires (Ag-NOR) a ete etudiee sur des hepatocytes de 9 embryons de vison, germains de portee et incluant une paire de jumeaux monochorioniques, presumes monozygotes. A la fois le nombre des Ag-NOR et la taille moyenne des taches d'argent par cellule se sont trouves etre ...
Isakova GK
doaj   +3 more sources

Chromosome analysis in Saccodon wagneri (Characiformes) and insights into the karyotype evolution of Parodontidae [PDF]

open access: yesNeotropical Ichthyology, 2021
Parodontidae is a relatively small group of Neotropical characiform fishes consisting of three genera (Apareiodon, Parodon, and Saccodon) with 32 valid species.
Mauro Nirchio   +7 more
doaj   +1 more source

Comparative cytogenetics of four endemic Capoeta (Teleostei: Cyprinidae) species from Anatolia, Türkiye

open access: yesCaryologia, 2023
The genus Capoeta is an important taxon covering a wide distribution in Türkiye. However, only a few genetic studies on Capoeta species reported from Türkiye. There is no cytogenetical study in Capoeta aydinensis Turan, Küçük, Kaya, Güçlü & Bektaş, 2017,
Sevgi Unal-Karakus   +2 more
doaj   +1 more source

Quantification of Ag-NOR proteins using Ag-NOR staining on western blots. [PDF]

open access: yesJournal of Histochemistry & Cytochemistry, 1994
Ribosomal genes are associated with a set of silver-stained nucleolar proteins, the Ag-NOR proteins, whose amount is directly related to the duration of the cell cycle. Quantification of Ag-NOR proteins by image analysis is presently used to evaluate the rate of proliferation of cancer cells and nucleolar activity.
P, Roussel   +2 more
openaire   +2 more sources

Classical chromosome features and microsatellites repeat in Gekko petricolus (Reptilia, Gekkonidae) from Thailand

open access: yesCaryologia, 2022
The objectives of this study were to examine size, shape, diploid number (2n), fundamental number (NF), NORs region, and distribution of microsatellite by using Fluorescence in situ hybridization technique (FISH) and to establish the karyotype and ...
Sumalee   +3 more
doaj   +1 more source

A reference chromosomal map of the hot chili pepper Capsicum pubescens cv. “locoto” (Solanaceae)

open access: yesRodriguésia, 2021
Capsicum pubescens is a cultivated hot chili pepper, consumed in Latin American cuisine as a distinctive ingredient, and popularly known as “locoto” or “rocoto”.
Patricia Mabel Aguilera   +3 more
doaj   +1 more source

An Experimental Approach to the Study of AG-NOR Proteins.

open access: yesACTA HISTOCHEMICA ET CYTOCHEMICA, 1994
Purified polyclonal antibodies have been obtained against 100 KD and 36 KD Ag-NOR proteins. These two antibodies have been used to study the immunolocalization of both proteins on different cell types subjected to various conditions of cell activity and to observe a nucleolar labelling with anti-36 kDa Ag-NOR protein antibody evenly distributed over ...
Rodríguez, Rosa María   +3 more
openaire   +4 more sources

Silver-negative NORs in Pamphagus ortolaniae (Orthoptera: Pamphagidae)

open access: yesEuropean Journal of Entomology, 2008
The present paper reports some cytogenetic peculiarities observed in the Ag-NORs of Pamphagus ortolaniae chromosomes, the unusual behaviour of ribosomal sites after silver staining and the intense Ag-positive reaction of centromeric regions at ...
Roberto VITTURI   +4 more
doaj   +1 more source

A rapid alternative technique for obtaining silver-positive patterns in chromosomes

open access: yesGenetics and Molecular Biology, 2004
Silver nitrate chromosome staining to evidence nucleolar organizer regions (NORs) is a widely adopted methodology. The aim of the present work was to improve this technique, reducing the preparation time without decreasing the quality of the results ...
Karine Frehner Kavalco, Rubens Pazza
doaj   +1 more source

Ag-NOR staining and satellite association in lymphoproliferative disorders

open access: yesHereditas, 2008
The nucleolar organizer regions (NORs) activity and the frequency of satellite associations (SA) in peripheral blood lymphocytes from patients with two chronic lymphoproliferative disorders were studied: 10 cases with B-cell chronic lymphocytic leukemia (B-CLL) and 10 with mycosis fungoides (MF). Thirteen healthy individuals formed the MF control group,
E, Pedrazzini, I, Slavutsky
openaire   +2 more sources

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