CONSTITUTIVE HETEROCHROMATIN POLYMORPHISM IN RIVER BUFFALO CHROMOSOMES (Articolo in rivista)

Type
Label
  • CONSTITUTIVE HETEROCHROMATIN POLYMORPHISM IN RIVER BUFFALO CHROMOSOMES (Articolo in rivista) (literal)
Anno
  • 1995-01-01T00:00:00+01:00 (literal)
Alternative label
  • DIMEO GP; PERUCATTI A; IANNUZZI L; RANGELFIGUEIREDO MT; FERRARA L; (1995)
    CONSTITUTIVE HETEROCHROMATIN POLYMORPHISM IN RIVER BUFFALO CHROMOSOMES
    in Caryologia (Online)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • DIMEO GP; PERUCATTI A; IANNUZZI L; RANGELFIGUEIREDO MT; FERRARA L; (literal)
Pagina inizio
  • 137 (literal)
Pagina fine
  • 145 (literal)
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  • 48 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 9 (literal)
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  • 2 (literal)
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  • CNR,IABBAM,VIA AGRINE 1085 I-80147 NAPLES ITALY CNR,IABBAM I-80147 NAPLES ITALY UTAD,DEPT ZOOTECH VILA REAL PORTUGAL (literal)
Titolo
  • CONSTITUTIVE HETEROCHROMATIN POLYMORPHISM IN RIVER BUFFALO CHROMOSOMES (literal)
Abstract
  • Constitutive heterochromatin (HC) distribution among river buffalo (Bubalus bubalis L., 2n=50) chromosomes was analyzed by using both the CBA-technique and GBA + CBA technique. CBA-banding revealed the presence of HC in the centromeric regions of all the chromosomes of the 15 animals we investigated. The five biarmed pairs showed very small HC-blocks, the remaining autosomes and the X-chromosomes showed pronounced HC-blocks with a high degree of HC-variation among them. The Y-chromosome showed a variable C-banding pattern on the basis of the different degree of chromosomal denaturation. A C-positive and heteromorphic bandwas also found at the telomere of chromosome 4p. The simultaneous visualization of fluorescent C and G-bands (GBA + CBA technique) in 10 animals allowed us to study the HC-distribution among and within chromosome pairs. Chromosomes showing HC-polymorphism between chromosome pairs were number 6 (6/10 animals), 11 (5/10 animals), 19 (5/10 animals) and 24 (7/10 animals). (literal)
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