Scientists identify a plant molecule that sops up iron-rich heme

Symbiotic relationships between legumes and the bacteria that grow in their roots are critical for plant survival. Without those bacteria, the plants would have no source of nitrogen, an element that is essential for building ...

Working to discover new treatments for tuberculosis

Mycobacterium tuberculosis, the causative agent of tuberculosis, remains the leading cause of infectious disease worldwide, affecting approximately a quarter of the globe's population. Treatment of infections is problematic ...

Are scientists being fooled by bacteria?

For decades, a small group of cutting-edge medical researchers have been studying a biochemical, DNA tagging system, which switches genes on or off. Many have studied it in bacteria and now some have seen signs of it in, ...

Viruses can have immune systems, new research shows

A study published today in the journal Nature reports that a viral predator of the cholera bacteria has stolen the functional immune system of bacteria and is using it against its bacterial host. The study provides the first ...

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