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UMaine Narratives - Biotechnology

Battle lines

Life-and-death battles rage in Robert Wheeler’s lab at the University of Maine.

The combatants — zebrafish and Candida albicans — fight to the bitter end in glass-bottom microplates.

Similar perilous battles are being fought inside humans. The C. albicans fungus is a leading cause of hospital-acquired infection that annually kills several thousand patients nationwide. In the fight to prevent and treat pathogens, UMaine is focused on the leading cause of hospital-acquired infection.

During the staged scuffles in Wheeler’s lab in Hitchner Hall, anesthetized zebrafish are injected with Candida and placed in a gelatinous material called agarose.?A laser microscope captures and magnifies the struggles inside the zebrafish blood vessels in real time in high-definition color detail.

The microplate clashes provide the assistant professor of microbiology with the ability to view how immune cells fight the microbe, identify genes involved in virulence, test new drugs and learn how gene perturbations affect host-pathogen interaction.

“We’re using zebrafish to ask really specific questions that cannot be answered another way,” Wheeler says. “These questions have been inaccessible for a long time. We hope to be able to better utilize existing therapies and be able to develop better therapies.”

Image Description: Rob Wheeler

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Maine Economic Improvement Fund
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The University of Maine
Orono, Maine 04469
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