Gram-negative bacteria, notorious for their antibiotic resistance, possess a formidable defense mechanism in the form of lipopolysaccharides (LPS). These large molecules, consisting of fatty acyl ...

Middle-ear infections caused by Gram-negative bacteria remain among the most common pediatric illnesses worldwide.

Antibiotic-resistant bacteria are making it increasingly difficult to combat many infections. And types of bacteria classified as “Gram-negative” — which refers to the Gram staining method used to ...

Microscopy image of a living E. coli bacterium, revealing the patchy nature of its protective outer membrane. A densely packed network of proteins is interrupted by smooth, protein-free islands ...

Gram-negative bacteria, notorious for their intrinsic and acquired resistance mechanisms, pose a significant threat to public health. The emergence of ...

Mouths are filthy, harboring the second largest microbiome of the human body. Some bacteria can help break down food, among other responsibilities; other bacteria can travel into the mouth on food, ...

Physicians have relied on a class of antibiotics called polymyxins to fight potentially life-threatening Gram-negative bacterial infections for more than 80 years. These drugs are typically reserved ...