http://www.cnr.it/ontology/cnr/individuo/prodotto/ID254829
Constitutive heterochromatin distribution in pig ( Sus scrofa) chromosomes. (Articolo in rivista)
- Type
- Label
- Constitutive heterochromatin distribution in pig ( Sus scrofa) chromosomes. (Articolo in rivista) (literal)
- Anno
- 1998-01-01T00:00:00+01:00 (literal)
- Alternative label
G.P. DI MEO, A. PERUCATTI, L. FERRARA, M. PALAZZO *, D. MATASSINO * ** and L. IANNUZZI (1998)
Constitutive heterochromatin distribution in pig ( Sus scrofa) chromosomes.
in Caryologia (Online)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- G.P. DI MEO, A. PERUCATTI, L. FERRARA, M. PALAZZO *, D. MATASSINO * ** and L. IANNUZZI (literal)
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- National Research Council (CNR), IABBAM, Napoli;
*ConsDABI and National Focal Point of FAO,Circello (Benevento);
,,* Department of Animal Production, Faculty of Agricultural Sciences, Portici (Napoli), Italy (literal)
- Titolo
- Constitutive heterochromatin distribution in pig ( Sus scrofa) chromosomes. (literal)
- Abstract
- Constitutive heterochromatin (HC = C-banding) distribution was studied in pig (Sus5crofa) chromosomes from 20 animals belonging to
Cinta Senese and Calabrese breeds raised in southern Italy. The use of CBG-banding, sequential GBG/CBA-banding and sequential GBG/
Ag-NOR/CBA-banding techniques allowed more detailed characterization of C-banding patterns in pig chromosomes (SSC). The following features were noticed: (a) all autosomes and the X-chromosome showed centromeric C-positive bands; (b) the entire q-arm and proximal part of the p-arm y chromosome were C-positive: (c) clear interstitial C-positive bands were noticed in SSC1q17, SSC3p14 and SSC16q21; (d) the nucleolus organizer (NO) chromosome 10 showed two distinct HC-blocks very far apart in both arms with large, polymorphic (different size) NORs between the chromosome pair, while NO-chromosome 8 showed only one C-positive band (the smallest) in the q-arms; (e) C-band polymorphism was observed between and within chromosome pairs also in related subjects (three generations were followed); (f) the C-banding patterns are inherited in Mendelian fashion; (g) the most common C-band polymorphic chromosomes pairs were SSC 1, 7, 9, 11, 12, 16,17 and 18. (literal)
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