Gram-positive bacteria show blue or purple after Gram-staining in a laboratory test. They have thick cell walls. Gram-negative bacteria show pink or red on staining and have thin walls. They release ...

Researchers led by Hiroshi Ohno at the RIKEN Center for Integrative Medical Sciences (IMS) in Japan have discovered a type of gut bacteria that might help improve insulin resistance, and thus protect ...

Bacteria and other microbes love living in slimy communities that cling to riverbed rocks and swimming pool walls, contaminate factory equipment and medical implants, and sometimes coat the teeth as ...

Researchers have developed a compound that is effective against common bacteria that can lead to rare, dangerous illnesses. Researchers at Washington University School of Medicine in St. Louis have ...

Researchers have found that gargling with an antiseptic mouthwash can reduce so-called 'bad' bacteria in the mouths of patients with type 2 diabetes. Notably, this reduction in bacteria was ...