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Titolo:
Mutation in a gene required for lipopolysaccharide and enterobacterial common antigen biosynthesis affects virulence in the plant pathogen Erwinia carotovora subsp atroseptica
Autore:
Toth, IK; Thorpe, CJ; Bentley, SD; Mulholland, V; Hyman, LJ; Perombelon, MCM; Salmond, GPC;
Indirizzi:
Univ Cambridge, Dept Biochem, Cambridge CB2 1QW, England Univ Cambridge Cambridge England CB2 1QW hem, Cambridge CB2 1QW, England Scottish Crop Res Inst, Dundee DD2 5DA, Scotland Scottish Crop Res Inst Dundee Scotland DD2 5DA Dundee DD2 5DA, Scotland
Titolo Testata:
MOLECULAR PLANT-MICROBE INTERACTIONS
fascicolo: 6, volume: 12, anno: 1999,
pagine: 499 - 507
SICI:
0894-0282(199906)12:6<499:MIAGRF>2.0.ZU;2-N
Fonte:
ISI
Lingua:
ENG
Soggetto:
GRAM-NEGATIVE BACTERIA; SOFT-ROT ERWINIAS; ESCHERICHIA-COLI; SHIGELLA-FLEXNERI; DTDP-RHAMNOSE; O-ANTIGEN; STREPTOCOCCUS-PNEUMONIAE; CAPSULAR POLYSACCHARIDE; NUCLEOTIDE-SEQUENCE; REDUCED VIRULENCE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Life Sciences
Citazioni:
60
Recensione:
Indirizzi per estratti:
Indirizzo: Salmond, GPC Univ Cambridge, Dept Biochem, Tennis Court Rd, Cambridge CB2 1QW, England Univ Cambridge Tennis Court Rd Cambridge England CB2 1QW and
Citazione:
I.K. Toth et al., "Mutation in a gene required for lipopolysaccharide and enterobacterial common antigen biosynthesis affects virulence in the plant pathogen Erwinia carotovora subsp atroseptica", MOL PL MICR, 12(6), 1999, pp. 499-507

Abstract

Spontaneous bacteriophage-resistant mutants of the phytopathogen Erwinia caratovora subsp, atroseptica (Eca) SCRI1043 were isolated and, out of 40, two were found to exhibit reduced virulence in planta, One of these mutants,A5/22, showed multiple fell surface defects including alterations in synthesis of outer membrane proteins, lipopolysaccharide (LPS), enterobacterial common antigen (ECA), and flagella, Mutant A5/22 also showed reduced synthesis of the exoenzymes pectate lyase (Pel) and cellulase (Cel), major virulence factors for this pathogen, Genetic analysis revealed the pronounced pleiotropic mutant phenotype to be due to a defect in a single gene (rffG) that, in Escherichia coli, is involved in the production of EGA. We also show that while other enteric bacteria possess duplicate homologues of this genededicated separately to synthesis of LPS and EGA, Eca has a single gene.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 24/09/20 alle ore 05:26:49