But virtually all other cells have a primary cilium. Likewise, for many years it was generally assumed that the entire phylum Nematoda, comprising roundworms, completely lacked cilia or flagella.

However, direct microscopic analysis revealed ciliated protozoa identified as Balantidium coli. B. coli is the only known pathogenic ciliate, and is usually associated with intestinal infection in ...

The bacterium is a type of E. coli infection, present in up to one in five people, scientists believe. It releases a toxin which experts say can damage the cells that line the bowel, potentially ...

Most urinary tract infections (UTIs) are caused by the E. coli bacteria, which are treated with antibiotics. But some strains may be resistant to common antibiotic types. For the most part ...

The clinical spectrum of intestinal E. histolytica infection ranges from an asymptomatic carrier state to severe invasive disease. Asymptomatic cyst carriage occurs with E. histolytica as well as ...

Primary cilia are important sensory organelles that play a role in cell signaling and development. “Sometimes people think of [primary cilium] as an antenna because they are coated in receptors and ...

Cilium is a dynamic sun protection system, that can be transformed from a vertical sun protection system to a horizontal, open position raised above a window. This solution limits the overheating ...

How do bacteria, lacking a nucleus, organize and pack their genome into the cell? Supercoiling enables this but forces a different kind of transcription and translation in prokaryotes. Aa Aa Aa ...

Look closely at this image, stripped of its caption, and join the moderated conversation about what you and other students see. By The Learning Network Look closely at this image, stripped of ...

The Centers for Disease control is investigating an E. coli outbreak in McDonald’s Quarter Pounder hamburgers sold in 10 states. One person has died, the CDC said Tuesday, Oct. 22. At least 49 ...