Nisin treatment also increased the relative abundance of Gram-negative bacteria such as E. coli and reduced the abundance of Lactobacillus and other Gram-positive bacteria.

When people take antibiotics, some of the dose is excreted with urine and feces and ends up in our wastewater. The presence ...

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 ...

Seven days of antibiotics was noninferior to 14 days for treating Gram-negative bloodstream infections, supporting shorter ...

PopA protein breaks structural rules, revealing new bacterial membrane behaviors, protein folding twists, and potential ...

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.

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 ...