From a distance, Biosphere 2 emerges from the cacti and creosote of the Sonoran desert like a gleaming oasis, a colony of glass and bright white structures. Despite being just outside Tucson, Arizona, ...

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 ...

A team led by Brett Baker at the University of Texas at Austin has found that some Asgard archaea, the ancient microbial group most closely related to all complex life on Earth, carried the molecular ...

Citrobacter rodentium uses a type III secretion system (T3SS) to induce colonie crypt hyperplasia in mice, thereby gaining an edge during its competition with the gut microbiota through an unknown ...

Aerobic respiration began hundreds of millions of years earlier than previously thought, a new study suggests. Oxygen is a vital and constant presence on Earth today. But that hasn’t always been the ...

A new study provides a fundamental understanding of the diversification of small molecules called respiratory quinones and its adaptive consequences in bacterial species. Bioengineers specifically ...