Most species of bacteria can be broadly divided into two groups, known as gram-positive and gram-negative. These categories ...

When bacteria retain the crystal violet dye during the Gram stain test, they are called Gram-positive bacteria. Learn more here.

Clostridium perfringens is a spore-forming bacteria that can function without oxygen (anaerobic bacteria). These gram-positive bacteria are typically found in human and animal intestines. Bacteria ...

Gram-positive and gram-negative bacteria differ in the composition of their cell walls. Gram-negative bacteria have a double layer of protection, making them more difficult to kill, Muñoz said.

These fast-spreading infections usually involve multiple types of gram-positive bacteria. Necrotizing fasciitis –or flesh-eating disease–is the best known of these infections.

The compound, designated PS757, represents the first of an entirely new class of GmPcide (gram-positive-icide) antibiotics, and targets Gram-positive bacteria, which can cause drug-resistant staph ...

Learn the differences between gram positive vs gram negative bacteria, including structure, stain results and examples of key bacterial species.

All the latest science news on gram-negative bacteria from Phys.org. Find the latest news, advancements, and breakthroughs.

What is gram-negative meningitis? Read on to learn more about this type of bacterial meningitis, including which bacteria can cause it and treatment options.

Importantly, the antibiotic also appeared to leave commensal bacteria alone, since many are gram-positive bacteria that don’t have the Lol complex that lolamicin exploits.