Gram-positive bacteria show blue or purple after Gram-staining in a laboratory test. They have thick cell walls. Gram-negative bacteria show pink or red on staining and have thin walls.

“It looks like Anna Wintour’s dress has a stain on it,” one user posted alongside a new photo, circling the offending area in black. Another piled on: “anna wintour the editor and chief of ...

Arsenal forward, Beth Mead said: “We’ve all been in that situation, facing a leak or period stain and fearing how others might react to it. But it’s not right to feel shame over something so ...

Leprosy is an infectious disease caused by a bacterium called Mycobacterium leprae. Once feared as a devastating disease, the WHO made drug treatment for the disease available free of charge ...

A neglected tropical disease, leprosy is a chronic infectious disease caused by a type of bacteria, Mycobacterium leprae. The disease predominantly affects the skin and peripheral nerves.

A team of researchers at the University of California, Los Angeles (UCLA) has introduced a virtual Gram staining technique that could transform how microbiologists stain and classify bacteria.

Mycobacterium leprae causes the bacterial infection, leprosy, and primarily affects the nerves and skin. It causes skin discoloration, nodules, and burning, which can lead to disfigurement if not ...

Compared with other urine analysis methods, urine Gram stain has a moderate predictive value for detecting gram-negative bacteria in urine culture but does not significantly improve urinary tract ...

The squat, sharp-clawed mammals are confirmed carriers of Mycobacterium leprae, the bacteria behind leprosy, or Hansen’s disease. And southeastern states where nine-banded armadillos lumber in ...

It’s one of the oldest infectious diseases in human history, and is caused by a slow-growing bacteria called Mycobacterium leprae. About 95% of people are naturally immune against the bacteria ...

Leprosy is caused by two different but similar bacteria—Mycobacterium leprae and Mycobacterium lepromatosis—the latter having just been identified in 2008. Leprosy, also known as Hansen's ...

Gram staining is one way scientists can identify bacteria. Gram-positive bacteria, such as Staphylococcus, appear blue or purple under a microscope when scientists apply a stain. Conversely ...