Identification of the yeast DNA polymerase I gene with antibody probes

Giovanna Lucchini, Anna Brandazza, Gianfranco Badaracco, Marco Bianchi, Paolo Plevani

Research output: Contribution to journalArticle

Abstract

Partially overlapping fragments of the gene encoding yeast DNA polymerase I have been cloned by immunological screening of a yeast genomic library constructed in the phage λ expression vector λgt11. The three gene fragments we analyzed in detail encode part of a yeast protein that has been identified as yeast DNA polymerase I, because it shares with this enzyme a number of antigenic determinants. In fact, the yeast protein fragments expressed by the recombinant phages react with both polyclonal and monoclonal antibodies raised against different, highly purified preparations of DNA polymerase I. Moreover, they can be used to affinity purify antibodies specifically reacting with active DNA polymerase I polypeptides and they compete with the yeast enzyme for binding to antibodies that inhibit catalytic activity. The gene is located on chromosome XIV in the yeast genome, and it is transcribed as a 5.2 kb mRNA.

Original languageEnglish
Pages (from-to)245-252
Number of pages8
JournalCurrent Genetics
Volume10
Issue number4
DOIs
Publication statusPublished - Dec 1985

Fingerprint

DNA Polymerase I
Yeasts
Antibodies
Fungal Proteins
Genes
Bacteriophages
Catalytic Antibodies
Overlapping Genes
Antibody Affinity
Genomic Library
Enzymes
Epitopes
Chromosomes
Monoclonal Antibodies
Genome
Messenger RNA
Peptides

Keywords

  • Cloning
  • DNA polymerase
  • Immunoscreening
  • Yeast

ASJC Scopus subject areas

  • Genetics

Cite this

Identification of the yeast DNA polymerase I gene with antibody probes. / Lucchini, Giovanna; Brandazza, Anna; Badaracco, Gianfranco; Bianchi, Marco; Plevani, Paolo.

In: Current Genetics, Vol. 10, No. 4, 12.1985, p. 245-252.

Research output: Contribution to journalArticle

Lucchini, G, Brandazza, A, Badaracco, G, Bianchi, M & Plevani, P 1985, 'Identification of the yeast DNA polymerase I gene with antibody probes', Current Genetics, vol. 10, no. 4, pp. 245-252. https://doi.org/10.1007/BF00365620
Lucchini, Giovanna ; Brandazza, Anna ; Badaracco, Gianfranco ; Bianchi, Marco ; Plevani, Paolo. / Identification of the yeast DNA polymerase I gene with antibody probes. In: Current Genetics. 1985 ; Vol. 10, No. 4. pp. 245-252.
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