Most species of bacteria can be broadly divided into two groups, known as gram-positive and gram-negative. These categories reflect big differences in the microbes' biology, and they also dictate how ...

Gram negative bacteria. Gram negative bacteria appear a pale reddish color when observed under a light microscope following Gram staining. This is because the structure of their cell wall is unable to ...

Picking up where traditional antibiotics are failing, two natural compounds have been shown effective in killing ...

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.

Infectious bacteria are growing increasingly resistant to drugs, which is becoming a serious threat to public health worldwide. Bacteria can be classified based on various characteristics, such as by ...

Gram-negative meningitis is a form of meningitis. The term gram-negative refers to a way of differentiating bacteria. This type of bacteria is typically resistant to drugs and most available ...

Cannabidiol analogs active against wide range of Gram-positive bacteria and a subset of Gram-negative bacteria, including those responsible for gonorrhea, meningitis, and Legionnaires’ disease.

Only gram-negative bacteria can activate this pathway—it certainly sheds light on one way sepsis can happen," says Kate Fitzgerald, professor of medicine and director of the Program on Innate ...

Gram-negative bacteria are practically built to withstand drugs, which is one reason few drug makers have rushed to pursue treatments. The bacteria have a double cell membrane to shield them, ...