Cloning and characterization of two catechol 1,2-dioxygenase genes from Acinetobacter radioresistens S13

Patrizia Caposio, Enrica Pessione, Gabriella Giuffrida, Amedeo Conti, Santo Landolfo, Carlo Giunta, Giorgio Gribaudo

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Two novel catechol 1,2-dioxygenase (C 1,2-O) genes have been isolated from an Acinetobacter radioresistens strain that grows on phenol or benzoate as sole carbon and energy source. Designated as catAA and catAB, they encode proteins composed of 314 and 306 amino acids, whose deduced sequences indicate that they have approximately 53% identity, whereas their NH2-terminal and COOH-terminal regions have no sequences in common. This may explain their different thermal and pH stability. Polyclonal antibodies raised against an amino-terminal CatAA peptide or the whole CatAB protein were used to establish their inducible and differential expression patterns upon bacterial growth in phenol or benzoate. The CatAA protein (IsoA) was induced by both phenol and benzoate though with different kinetics, whereas the catAB product (IsoB) was constitutively produced at low levels that increased only during growth in the presence of benzoate.

Original languageEnglish (US)
Pages (from-to)69-74
Number of pages6
JournalResearch in Microbiology
Volume153
Issue number2
DOIs
StatePublished - 2002
Externally publishedYes

Fingerprint

Catechol 1,2-Dioxygenase
5-chloro-3-tert-butyl-2'-chloro-4'-nitrosalicylanilide
Acinetobacter
Benzoates
Organism Cloning
Phenol
Genes
Proteins
Growth
Carbon
Hot Temperature
Amino Acids
Peptides
Antibodies

Keywords

  • Acinetobacter radioresistens S13
  • Catechol 1,2-dioxygenase
  • Expression patterns

ASJC Scopus subject areas

  • Applied Microbiology and Biotechnology
  • Microbiology

Cite this

Cloning and characterization of two catechol 1,2-dioxygenase genes from Acinetobacter radioresistens S13. / Caposio, Patrizia; Pessione, Enrica; Giuffrida, Gabriella; Conti, Amedeo; Landolfo, Santo; Giunta, Carlo; Gribaudo, Giorgio.

In: Research in Microbiology, Vol. 153, No. 2, 2002, p. 69-74.

Research output: Contribution to journalArticle

Caposio, Patrizia ; Pessione, Enrica ; Giuffrida, Gabriella ; Conti, Amedeo ; Landolfo, Santo ; Giunta, Carlo ; Gribaudo, Giorgio. / Cloning and characterization of two catechol 1,2-dioxygenase genes from Acinetobacter radioresistens S13. In: Research in Microbiology. 2002 ; Vol. 153, No. 2. pp. 69-74.
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