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Titolo:
Characterisation of isolates of Staphylococcus aureus from acute, chronic and subclinical mastitis in cows in Norway
Autore:
Tollersrud, T; Kenny, K; Caugant, DA; Lund, A;
Indirizzi:
Natl Vet Inst, N-0033 Oslo, Norway Natl Vet Inst Oslo Norway N-0033Natl Vet Inst, N-0033 Oslo, Norway Key Labs Ltd, Dublin, Ireland Key Labs Ltd Dublin IrelandKey Labs Ltd, Dublin, Ireland Natl Inst Publ Hlth, Oslo, Norway Natl Inst Publ Hlth Oslo NorwayNatl Inst Publ Hlth, Oslo, Norway Agr Univ Norway, Noragr, N-1432 As Nlh, Norway Agr Univ Norway As Nlh Norway N-1432 rway, Noragr, N-1432 As Nlh, Norway
Titolo Testata:
APMIS
fascicolo: 9, volume: 108, anno: 2000,
pagine: 565 - 572
SICI:
0903-4641(200009)108:9<565:COIOSA>2.0.ZU;2-T
Fonte:
ISI
Lingua:
ENG
Soggetto:
TOXIC-SHOCK-SYNDROME; CAPSULAR POLYSACCHARIDE TYPE-5; BOVINE MASTITIS; CLINICAL MASTITIS; ENTEROTOXIN-D; STRAINS; EXPRESSION; SUPERANTIGENS; PREVALENCE; ORIGIN;
Keywords:
Staphylococcus aureus; bovine; mastitis; MLEE; serotype; enterotoxin;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
43
Recensione:
Indirizzi per estratti:
Indirizzo: Tollersrud, T Natl Vet Inst, PB 8156, N-0033 Oslo, Norway Natl Vet Inst PB8156 Oslo Norway N-0033 -0033 Oslo, Norway
Citazione:
T. Tollersrud et al., "Characterisation of isolates of Staphylococcus aureus from acute, chronic and subclinical mastitis in cows in Norway", APMIS, 108(9), 2000, pp. 565-572

Abstract

Eighty-six Staphylococcus aureus isolates from cases of bovine mastitis were characterised biochemically and with respect to serotype, multilocus enzyme electrophoresis genotypes, antibiotic sensitivity, and production of enterotoxins A through D (SEA-D) and toxic shock syndrome toxin-l (TSST-1). The samples were obtained from 81 different cows from 79 Norwegian dairy herds in 10 different counties in southern Norway. There was an equal representation of isolates from cases of acute, chronic and subclinical mastitis. Multilocus enzyme electrophoresis using 13 genetic loci showed that 69 of 86isolates had the same electrophoretic type. This common electrophoretic type comprised isolates that differed in the expression of other phenotypicalcharacteristics studied. Fifty-eight percent of the isolates produced one or more enterotoxins, predominantly a combination of SEC and TSST-1. Capsular serotyping revealed that 95% of the isolates belonged to serotype 8. No correlation was found between the factors studied and the clinical classification of mastitis. It appears that the majority of S. aureus isolates recovered from cases of bovine mastitis in Norway are genetically closely related and express common phenotypical characteristics.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 03/07/20 alle ore 01:18:43