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Nuclease of Staphylococcus Epidermidis Isolated From Mastitic Milk

Production and Some Properties

Nuklease hos Staphylococcus epidermidis isolert fra mastitisekret.

Acta Veterinaria Scandinavica volume 21, pages 267–277 (1980)Cite this article

Abstract

Nuclease was produced by 47 % of the Staphylococcus epidermidis strains isolated from bovine quarter milk samples. The quantity of enzyme produced by different strains varied considerably. The nuclease of bovine S. epidermidis strains was heat-stable, the average D-value at 120°G being estimated to be 19 min. The nucleases of S. epidermidis and S. aureus could be identified, and consequently differentiated by serological methods.

S. epidermidis was a less severe udder pathogen than S. aureus. However, no difference was observed in udder pathogenicity between S. epidermidis strains with low or high in vitro nuclease production.

Sammendrag

Produksjon og no en egenskaper.

Nuklease ble produsert av 47 % av stammene av Staphylococcus epidermidis isolert fra speneprøver hos ku. Det var en betydelig variasjon i mengden av enzym produsert hos forskjellige stammer. S. epidermidis-nukleasen viste stor varmestabilitet, idet D-verdien ved 120°C i gjennomsnitt ble beregnet til 19 minutter. Nukleasene produsert av S. epidermidis og S. aureus kunne identifiseres og adskilles ved hjelp av serologiske metoder.

S. epidermidis var mindre jurpatogen enn S. aureus. Det var imidlertid ingen forskjell mellom stammer av S. epidermidis med høy og lav in vitro nukleaseproduksjon.

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  1. National Veterinary Institute, Oslo, Norway

    Roar Gudding

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  1. Roar Gudding
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Gudding, R. Nuclease of Staphylococcus Epidermidis Isolated From Mastitic Milk. Acta Vet Scand 21, 267–277 (1980). https://doi.org/10.1186/BF03546889

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Acta Veterinaria Scandinavica

ISSN: 1751-0147