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)
Pagina inizio
  • 65 (literal)
Pagina fine
  • 72 (literal)
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  • 51 (literal)
Rivista
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  • 8 (literal)
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  • 1 (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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