Affiliation:
1. Food and Drug Administration, Public Health Service, Cincinnati, Ohio 45226
Abstract
The hemolytic activities of 91 strains of
Vibrio parahaemolyticus
isolated from human diarrheal stools, sea fish, and sea water; 21 suspected
V. parahaemolyticus
cultures isolated from wound infections; 14 nonpathogenic marine vibrios; and 21
V. parahaemolyticus
isolated from moribund blue crabs
Callinectes sapidus
were compared. Potentially pathogenic
V. parahaemolyticus
strains could be differentiated from the related nonpathogenic marine vibrios, because the former hemolyzed hamster, sheep, and human blood, whereas the latter were nonhemolytic. In addition,
V. parahaemolyticus
isolated from tissue infections could be differentiated from those of the first group isolated from sea fish or human stools, because the former exhibited primarily an α-hemolytic reaction on chicken blood; the latter exhibited mostly β. It is suggested that
V. parahaemolyticus
isolated from blue crabs may be differentiated from the first group on the basis of their hemolysis of human blood. A useful schema of the differential hemolytic reactions, exhibited by
V. parahaemolyticus
, tissue infection vibrios, and nonpathogens on hamster, sheep, chicken, goose, and human blood is given. The patterns of hemolytic activity of these groups on special human blood-agar plates (Kanagawa hemolysis) resembled that seen on ordinary human blood-agar.
Publisher
American Society for Microbiology
Subject
Infectious Diseases,Immunology,Microbiology,Parasitology
Reference14 articles.
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5. Vibrio parahaemolyticus from the blue crab Callinectes sapidus in Chesapeake Bay;Krantz G. E.;Science,1969
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