Nucleotide synthesis—the production of the basic components of DNA and RNA—is essential for cell growth and division. In most ...

Researchers introduced a yeast enzyme, ScURA, into human cells, enabling nucleotide synthesis independent of mitochondrial ...

Tetrahymena, a tiny single celled-organism, turns out to be hiding a surprising secret: it's doing respiration -- using oxygen to generate cellular energy -- differently from other organisms such as ...

A plant's success may depend on how well the three sets of genetic instructions it carries in its cells cooperate, according to a new study led by plant scientists at Penn State. In an analysis of the ...