Related topics: protein · cells · bacteria · chemical reactions · cancer

Surprising enzymes found in giant ocean viruses

A new study led by researchers at Woods Hole Oceanographic Institution (WHOI) and Swansea University Medical School furthers our knowledge of viruses—in the sea and on land— and their potential to cause life-threatening ...

New technique offers glimpse at human evolution in action

In research published in Science, a Stanford-led international team used a new analytic technique to map recent evolution. The technique relies exclusively on the DNA sequences of modern humans, yet it can reveal rapid ...

Enzyme breaks down PET plastic in record time

Plastic bottles, punnets, wrap—lightweight packaging made of PET plastic becomes a problem if it is not recycled. Scientists at Leipzig University have now discovered a highly efficient enzyme that degrades PET in record ...

An oil-eating bacterium that can clean up pollution and spills

Oil spills and their impact on the environment are a source of concern for scientists. These disasters occur on a regular basis, leading to messy decontamination challenges that require massive investments of time and resources. ...

Chemists create new artificial enzyme

Enzymes are nature's powerhouses. Found in the cells of all animals, plants, and every other living organism, they accelerate the chemical reactions that trigger thousands of biological functions—from forming neurons to ...

How 'great' was the great oxygenation event?

Around 2.5 billion years ago, our planet experienced what was possibly the greatest change in its history: According to the geological record, molecular oxygen suddenly went from nonexistent to becoming freely available everywhere. ...

How a beneficial gut microbe adapted to breast milk

Breast milk provides vital nutrients not only to infants, but also to beneficial microbes that inhabit the gastrointestinal tract. A study published April 6 in Cell Chemical Biology shows that a bacterial species called Bifidobacterium ...

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