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. 1984 Oct;46(1):141–144. doi: 10.1128/iai.46.1.141-144.1984

Enhancement of Vibrio parahaemolyticus virulence by lysed erythrocyte factor and iron.

I Karunasagar, S W Joseph, R M Twedt, H Hada, R R Colwell
PMCID: PMC261434  PMID: 6480105

Abstract

The effect of lysed blood on the virulence of Vibrio parahaemolyticus for mice was investigated. A factor present in lysed erythrocytes was found to greatly reduce the 50% lethal dose of V. parahaemolyticus for mice. Similar effects were observed with ferric ammonium citrate and manganous sulfate. V. parahaemolyticus grown in brain heart infusion containing lysed erythrocyte factor appeared to produce a lethal toxin which was either inapparent or absent when the organism was grown in brain heart infusion alone.

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Selected References

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