Detection of a permeability factor produced by Haemophilus pleuropneumoniae

Real Lallier; Linda Le Blanc; France Morrissette; Robert Higgins

doi:10.1007/BF01577262

Detection of a permeability factor produced by Haemophilus pleuropneumoniae

Real Lallier, Linda Le Blanc, France Morrissette, Robert Higgins

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Abstract

Toxigenic profiles of Haemophilus pleuropneumoniae were determined for isolates rom serotypes 1 and 5. None of the 18 strains investigated produced hemolytic or proteolytic activity. Intradermal injection of rabbits with culture supernatants induced an edematous zone (permeability factor, PF) for strains of either serotypes. The presence of this PF seemed to depend on the component freshness of the culture media, especially for isolates of serotype 5. PF activity appeared at two different time intervals: at 2-3 h of culture and at 12 h of culture. Isolates of H. pleuropneumoniae from serotypes 1 and 5 can produce a PF that is not related to hemolytic no proteolytic activity.

Original language	English (US)
Pages (from-to)	141-144
Number of pages	4
Journal	Current Microbiology
Volume	15
Issue number	3
DOIs	https://doi.org/10.1007/BF01577262
State	Published - May 1 1987
Externally published	Yes

ASJC Scopus subject areas

Microbiology

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10.1007/BF01577262

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title = "Detection of a permeability factor produced by Haemophilus pleuropneumoniae",

abstract = "Toxigenic profiles of Haemophilus pleuropneumoniae were determined for isolates rom serotypes 1 and 5. None of the 18 strains investigated produced hemolytic or proteolytic activity. Intradermal injection of rabbits with culture supernatants induced an edematous zone (permeability factor, PF) for strains of either serotypes. The presence of this PF seemed to depend on the component freshness of the culture media, especially for isolates of serotype 5. PF activity appeared at two different time intervals: at 2-3 h of culture and at 12 h of culture. Isolates of H. pleuropneumoniae from serotypes 1 and 5 can produce a PF that is not related to hemolytic no proteolytic activity.",

author = "Real Lallier and {Le Blanc}, Linda and France Morrissette and Robert Higgins",

year = "1987",

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AU - Lallier, Real

AU - Le Blanc, Linda

AU - Morrissette, France

AU - Higgins, Robert

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Y1 - 1987/5/1

N2 - Toxigenic profiles of Haemophilus pleuropneumoniae were determined for isolates rom serotypes 1 and 5. None of the 18 strains investigated produced hemolytic or proteolytic activity. Intradermal injection of rabbits with culture supernatants induced an edematous zone (permeability factor, PF) for strains of either serotypes. The presence of this PF seemed to depend on the component freshness of the culture media, especially for isolates of serotype 5. PF activity appeared at two different time intervals: at 2-3 h of culture and at 12 h of culture. Isolates of H. pleuropneumoniae from serotypes 1 and 5 can produce a PF that is not related to hemolytic no proteolytic activity.

AB - Toxigenic profiles of Haemophilus pleuropneumoniae were determined for isolates rom serotypes 1 and 5. None of the 18 strains investigated produced hemolytic or proteolytic activity. Intradermal injection of rabbits with culture supernatants induced an edematous zone (permeability factor, PF) for strains of either serotypes. The presence of this PF seemed to depend on the component freshness of the culture media, especially for isolates of serotype 5. PF activity appeared at two different time intervals: at 2-3 h of culture and at 12 h of culture. Isolates of H. pleuropneumoniae from serotypes 1 and 5 can produce a PF that is not related to hemolytic no proteolytic activity.

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Detection of a permeability factor produced by Haemophilus pleuropneumoniae

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