Microorganisms and Disease
Lactoferrin helps to protect against pathogens by

sequestering Iron
facilitating the growth of normal flora
blocking sebum production
lowering the pH

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Microorganisms and Disease
The "A" subunit of diphtheria toxin

forms cAMP that leads to fluid accumulation
binds host cell receptors found on heart cells
lysis macrophages with the release of cytokines
cause ADP ribosylation of a factor involved in protein synthesis

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