Detection of nucleolar organizing regions in the chromosomes ofNigella damacena
β Scribed by M. Hizume; A. Tanaka; H. Shigematsu
- Publisher
- Springer
- Year
- 1982
- Tongue
- English
- Weight
- 314 KB
- Volume
- 38
- Category
- Article
- ISSN
- 1420-682X
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Graomys griseoflavus is a South American phyllotine rodent having a remarkable Robertsonian polymorphism which may have produced reproductive isolation between 2n = 42-41 and 2n = 38-34 karyomorphs. Analysis of nucleolar organizer region (NOR) locations both by silver staining (Ag-NOR) and in situ h
In the two Drosophila races D. n. nasuta and D. n. albomicans the nucleolar-organizer regions (NORs) have been localized on metaphase chromosomes by a combined acid treatment and silver-staining technique. In both Drosophila races one NOR is present on the heterochromatic Y chromosomes and another
Background. Nucleolar organizer regions (NORs) are loops of ribosomal DNA that occur in nucleoli and that transcribe to ribosomal RNA. NORs have been identified by means of the Ag-NOR technique in routinely processed tissues, and were found to be of discriminative value between some types of benign
Background. Nucleolar organizer regions (AgNORs) are associated with proliferative activity and ploidy in many tumors. The endocervical growth pattern of cervical adenocarcinoma renders tumor volume assessment more difficult, necessitating additional prognostic indicators. Methods. Thirty-five case