How does a cell regulate the repair of its damaged DNA?

Human DNA can be modified or damaged in a variety of ways that can alter its sequence and potentially change the information that it encodes, from UV radiation to chemicals in our own bodies. One way the body can accurately ...

A chemical tailor-made suit for Alzheimer's drugs

With over 1.2 million people affected in Germany alone and over 50 million people worldwide, Alzheimer's disease, also referred to simply as Alzheimer's, is one of the greatest medical and social challenges of our time. Due ...

How tiny enzymes reign supreme in worldwide carbon recycling

The recycling of most of the carbon in nature depends on the breakdown of two polymers in woody matter, notably cellulose and lignin. In a paper just published in the journal Biochemistry, Richard Wolfenden, Ph.D., and colleague ...

Dentistry study pinpoints role of proteins that produce pearls

Pearls are among nature's most beautiful creations, and have been treasured for countless centuries. Beneath one's iridescent surface lies a tough and resilient structure made of intricately arranged tiles of calcium carbonate ...

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