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 ...

A novel compound targets an essential transport system found only in disease-causing bacteria, leaving commensal bacteria ...

Gram-negative bacteria's thick outer membrane prevents entry of toxic molecules, including antibiotics. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases ...

Effectively, the researchers had converted a gram-positive antibiotic into a broad-spectrum antibiotic. The compound also kills several other types of problematic multi-drug resistant gram-negative ...

Three of these six pathogens are antibiotic-resistant Gram-negative bacteria. Recently, antibacterial drugs against ESBL-producing Gram-negative bacteria accounted for ∼15% (2 out of 13 ...

Antibiotic resistance is essentially the ... It is time to tell you that four of the six are known as ‘Gram-negative’ bacteria. As we will discuss, these are particularly difficult to beat ...

Patients had to have been given empiric antibiotic ... patients with Gram-positive bacteria, fungi, or polymicrobial infection that did not stratify results by Gram-negative bacteria were excluded.

said finding new antibiotics to treat gram-positive infections like MRSA was good news, but would not address the most pressing need. "Our concern are the so called gram-negative bacteria which ...