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Proinfectious properties of certain non exo-toxigenic aerobe culture filtrates

Frappier, Armand; Sherman, Ludwik (1953). Proinfectious properties of certain non exo-toxigenic aerobe culture filtrates Revue Canadienne de Biologie , vol. 11 , nº 5. p. 471-483.

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Résumé

1) The culture filtrates of Typhoid bacilli, Paratyphoid A bacillie, Conlonbacillus, and Bacillus subtilis, aged 18 hours or less, aggravate the infection produced by washed microbes injected into mice intraperitoneally.

2) Our filtrates of Typhoid bacillus cultures are not toxic for the mouse at the tested dose of 1 and 2 ml. intravenously, or 3 ml. intraperitonneally.

3) The action of these filtrates has no species specificity: the culture filtrate of a microbe is active upon a few other studied bacteria - with one exception in the case of gaseous gangrene produced by Perfringens bacilli.

4) The "pro-infectious" activity of Typhoid filtrates is not destroyed by heating 30-90 minutes at 100°C

5) Our filtrates of Typhoid cultures do not give the precipitation reaction with antityphoid 0 serum.

Type de document: Article
Informations complémentaires: Recueil de tiré-à-part de la bibliothèque: A081
Mots-clés libres: Animals; Bacillus; Bacteria, Aerobic; Escherichia coli/ ethnology; Insecta; Salmonella paratyphi A; Salmonella typhi
Centre: Centre INRS-Institut Armand Frappier
Date de dépôt: 10 févr. 2020 16:04
Dernière modification: 10 févr. 2020 16:04
URI: http://espace.inrs.ca/id/eprint/8394

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