Tag: microbicide

A Fortress That Fights Back: Structural Proteins in the Eye Double as Antimicrobials

By Ashley P. Taylor | September 26, 2012 9:30 am

eye photo

Bacteria invisible to the naked eye find their way to many of the external surfaces of our bodies, including the naked eye. But the eye isn’t defenseless against this onslaught of microbes—researchers have found that it has special weapons for fighting back.

This fight happens at the surface of the cornea, the eye’s clear outer layer. New research published in the Journal of Clinical Investigation has found that keratin—a type of protein that gives structure to the cornea and other tissues like skin, teeth, hair, and mucous membranes—protects against bacteria. If the eye is like a fishbowl, it’s made of shards used for self-defense. Researchers say the new finding may lead to the creation of new kinds of antibiotics.

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CATEGORIZED UNDER: Living World
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