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The microbiologist was known for his work on bacterial antibiotic resistance and infectious disease.

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image: Combatting Viruses with RNA-Targeted CRISPR

Combatting Viruses with RNA-Targeted CRISPR

By Amanda B. Keener | April 27, 2015

Scientists reengineer a Cas9 enzyme that naturally targets bacterial RNA to stymie hepatitis C inside human cells.

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image: Iron-Ferrying Protein Impedes Pathogens

Iron-Ferrying Protein Impedes Pathogens

By Molly Sharlach | December 15, 2014

Meningitis-causing bacteria exerted strong evolutionary pressure on an iron-binding protein in primates, a study shows.

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image: Supporting the “Good” Gut Microbes

Supporting the “Good” Gut Microbes

By Anna Azvolinsky | October 1, 2014

During systemic infection, mice kick-start the production of a specific sugar to feed and protect the beneficial bacteria in their guts while fighting pathogenic strains.

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image: Ulcer-forming Bacteria Target Tiny Traumas

Ulcer-forming Bacteria Target Tiny Traumas

By Jyoti Madhusoodanan | July 17, 2014

A new study finds that Helicobacter pylori home in on small lesions in the stomach and promote ulceration within minutes of epithelial injury.

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image: How Dengue Does It

How Dengue Does It

By Beth Marie Mole | March 1, 2013

Dengue virus has sophisticated mechanisms for entering a cell, for replicating its RNA genome, and for transcribing proteins.

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image: Infection Selection

Infection Selection

By Ruth Williams | November 13, 2011

Scientists track changes in bacterial genomes during a hospital outbreak to discover potential pathogenesis genes.

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