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.

There are two main types of bacteria, and these categories reflect the microbes' biology and their vulnerability to different ...

Its discovery in the 1940s generated high hopes for it as a powerful agent against Gram-negative bacteria. But a clinical study found that nourseothricin was toxic to kidneys, so its development ...

Gram-negative bacterial infections are becoming an increasingly serious global health issue U.S. patent applications filed for three novel drug candidates: PKL200, TSL2200, and EAL2200 ...

NAB741 is a non-bioactive polymyxin that acts as a Gram-negative antibiotic potentiator, designed to increase the permeability of the outer membrane of Gram-negative bacteria—therefore making those ...