Reduced virulence of Pseudomonas aeruginosa grown in the presence of benzalkonium chloride.

Abstract:

:Resistant cells of Pseudomonas aeruginosa ATCC 9027 which were grown in the presence of 1 mg of benzalkonium chloride (BC) per ml caused only a mild conjunctivitis when they were dropped onto the scratched corneas of rabbits. In contrast, cells of the BC-sensitive parent strain induced a severe keratoconjunctivitis. In addition, the BC-grown cells also had a reduced capacity to produce kidney infections in mice as compared to the parent strain. BC-grown cells acted as weak complex antigens which conferred slight protection against lethal doses of BC-grown cells. No cross-protection to cells of the parent strain occurred. The data indicate that growth in the presence of BC results in cells with reduced virulence.

journal_name

J Clin Microbiol

authors

Adair FW,Liauw HL,Geftic SG,Gelzer J

doi

10.1128/JCM.1.2.175-179.1975

subject

Has Abstract

pub_date

1975-02-01 00:00:00

pages

175-9

issue

2

eissn

0095-1137

issn

1098-660X

journal_volume

1

pub_type

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