
We demonstrated that Klebsiella pneumoniae and Klebsiella oxytoca possess a selective haemolytic activity on rabbit erythrocytes. Thirty one Klebsiella strains (18 strains of K. pneumoniae and 13 strains of K. oxytoca) were isolated from hospitalized patients. The liquid (Trypcase-soy broth--TSB) and solid (Trypcase-soy agar--TSA) medium, containing the red cells were used for the tests. All the screened strains showed a haemolytic effect on rabbit erythrocytes, provided that the supernatants of the cultures were preincubated with beta-mercaptoethanol or calcium chloride. There was no human and sheep erythrocyte lysis.
Erythrocytes, Sheep, Complement Hemolytic Activity Assay, Hemolysis, Klebsiella pneumoniae, Phagocytosis, Species Specificity, Klebsiella, Animals, Humans, Rabbits
Erythrocytes, Sheep, Complement Hemolytic Activity Assay, Hemolysis, Klebsiella pneumoniae, Phagocytosis, Species Specificity, Klebsiella, Animals, Humans, Rabbits
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