This Amoeba Eats Human Intestines, Cell by Cell ... The amoeba—about the tenth of a size of a dust mite—infects 50 million people worldwide and kills as many as 100,000 each year.

Chlamydiae are important pathogens and symbionts with unique cell biological features. They lack the cell-division protein FtsZ, and the existence of peptidoglycan (PG) in their cell wall has been ...