Learn the differences between gram positive vs gram negative bacteria, including structure, stain results and examples of key bacterial species.

Most species of bacteria can be broadly divided into two groups, known as gram-positive and gram-negative. These categories ...

Science Sharpest ever images of living bacteria reveal unexpected membrane structure The images are so clear that scientists can see proteins on a bacterium's outer membrane.

Find out the differences between gram-positive bacillus and gram-negative bacillus and how they may affect health.

Peptide chains within the peptidoglycan structure are partially cross-linked in Gram negative bacteria, contrasting with the highly cross-linked peptide chains of Gram positive bacteria.