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Complex Role of Hemoglobin and Hemoglobin-Haptoglobin Binding Proteins in Haemophilus influenzae Virulence in the Infant Rat Model of Invasive Infection

20 Oct 2006

Abstract excerpt

Haemophilus influenzae requires an exogenous heme source for aerobic growth in vitro. Hemoglobin or hemoglobin-haptoglobin satisfies this requirement. Heme acquisition from hemoglobin-haptoglobin is mediated by proteins encoded by hgp genes. Both Hgps and additional proteins, including those encoded by the hxu operon, provide independent pathways for hemoglobin utilization. Recently we showed that deletion of the...

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PMID: 16966415
DOI: 10.1128/iai.00744-06

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