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Page 1: Opportunistic pathogen

• Opportunistic pathogen

• Commensal organism

Candida albicans

superficial and systemic infections~ 10,000 deaths per year in U.S.A.

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Cell Morphologies of C. albicans

Hyphae

PseudohyphaeYeast

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Environmental Control of Morphogenesis

Serum, 37o CpH > 7Starvation

Yeast Pseudohyphae/hyphae

YPD or YNB medium30o C

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Yeast Cell Division Cycle

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Actin Cables and Actin Patches

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Yeast Cell Division Cycle

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Environmental Control of Morphogenesis

Serum, 37o CpH > 7Starvation

Yeast Pseudohyphae/hyphae

YPD or YNB medium30o C

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Light Microscope

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Hyphal Formation in Candida albicans

Light Microscopy Fluorescence Microscopy ofHWP1-GFP gene