When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Scharvik/Getty Images Most species of bacteria can be broadly divided into two groups, ...

Gram-positive bacteria have thick cell walls. A Gram stain test, which involves a chemical dye, stains the bacterium’s cell wall purple. On the other hand, gram-negative bacteria stain pink instead.

Gram staining is a type of differential staining used to distinguish between Gram positive and Gram negative bacterial groups, based on inherent differences in their cell wall constituents. Stains ...

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 ...

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, ...

Please provide your email address to receive an email when new articles are posted on . Gram-negative bacteria comprise most of the CDC and WHO’s lists of critical and urgent antibiotic-resistant ...