A long series of experiments, beginning in 1956 and ending around 1980, established an outline of cell wall structure and demonstrated that penicillin inhibited one of the terminal steps in its ...
Bacterial restriction-modification systems are responsible for protecting cells from foreign genetic material, for example, bacteriophages and plasmids. Immune systems require strict regulation ...
New research has found a possible link between vitamin D and improved immunity to cancer. The study in mice found that the vitamin encourages the growth of a type of gut bacteria which gives the ...