Gene amplification in Chinese hamster DNA repair deficient mutants. (Articolo in rivista)

Type

• Prodotto della ricerca (Classe)
• Articolo in rivista (Classe)

Label

• Gene amplification in Chinese hamster DNA repair deficient mutants. (Articolo in rivista) (literal)

Anno

• 1995-01-01T00:00:00+01:00 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi

• 10.1016/0165-7992(95)90052-7 (literal)

Alternative label

• Mondello C, Riboni R, Rady M, Giulotto E, Nuzzo F. (1995)
  Gene amplification in Chinese hamster DNA repair deficient mutants.
  in Mutation research. Mutation research letters
  (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

• Mondello C, Riboni R, Rady M, Giulotto E, Nuzzo F. (literal)

Pagina inizio

• 61 (literal)

Pagina fine

• 67 (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume

• 346 (literal)

Rivista

• Mutation research. Mutation research letters (Rivista)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo

• 2 (literal)

Note

• ISI Web of Science (WOS) (literal)
• Scopu (literal)
• PubMe (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni

• Mondello C, Riboni R, Rady M, Nuzzo F: Istituto di Genetica Molecolare, CNR, Pavia Giulotto E: Dipartimento di Genetica e Microbiologia, Università di Pavia (literal)

Titolo

• Gene amplification in Chinese hamster DNA repair deficient mutants. (literal)

Abstract

• In order to study the possible relationship between gene amplification and DNA repair we analyzed the amplification of the CAD gene in four mutants hypersensitive to UV light (CHO43RO, CHO7PV, UV5 and UV61) isolated in vitro from Chinese hamster cell lines (CHO-K1 and AA8). These mutants are characterized by different defects in the nucleotide excision repair mechanism and represent complementation groups 1, 9, 2, and 6 respectively. To evaluate the amplification ability of each cell line we measured the rate of appearance of PALA resistant clones with the Luria and Delbrück fluctuation test. Resistance to PALA is mainly due to amplification of the CAD gene. In the mutants CHO43RO, UV5 and CHO7PV we reproducibly found an amplification rate lower than in the parental cell lines (2-5 times), while in UV61 the amplification rate was about 4 times higher. This result indicates that each mutant is characterized by a specific amplification ability and that the unefficient removal of UV induced DNA damage can be associated with either a higher or a lower amplification rate. However, the analysis of randomly isolated CHO-K1 clones with normal UV sensitivity has shown variability in their amplification ability, making it difficult to relate the specific amplification ability of the mutants to the DNA repair defect and suggesting clonal heterogeneity of the parental population. (literal)

Prodotto di

• Institute of molecular genetics (IGM) (Istituto)
• Studio di pathway coinvolti nella progressione tumorale (ME.P05.005.002) (Modulo)

Autore CNR

• CHIARA MONDELLO (Unità di personale interno)

Insieme di parole chiave

• Keywords of "Gene amplification in Chinese hamster DNA repair deficient mutants." (Insieme di parole chiave)

Incoming links:

Prodotto

• Institute of molecular genetics (IGM) (Istituto)
• Studio di pathway coinvolti nella progressione tumorale (ME.P05.005.002) (Modulo)

Autore CNR di

• CHIARA MONDELLO (Unità di personale interno)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi

• Mutation research. Mutation research letters (Rivista)

Insieme di parole chiave di

• Keywords of "Gene amplification in Chinese hamster DNA repair deficient mutants." (Insieme di parole chiave)