The primary cilium has gone from being an oddity ... Are they the primitive form of cilia, or did they arise from motile cilia? What are the molecular mechanisms behind many of the ciliopathies ...

1. How cilia talk» Primary (non-motile) cilia use membrane proteins in their role as a coordinator of the cell’s signaling pathways. New findings show how a cilium retains those membrane proteins—a ...

IN dark-ground microscopy with the sun as light-source, motile bacteria, when swimming fast, show a tail, as in the top left-hand photograph reproduced. This tail is occasionally seen to untwist ...