Actin filaments are comprised of polymerized tubulin 2. Actin is a rare cytosolic protein 3.
Actin polymerization is necessary for mammalian cellular locomotion.
Actin is also present in bacteria so that drugs that affect actin polymerization also directly inhibit bacteria. Demonstrate a number of temperature-dependent characteristics 2. Are exclusively extracellular pathogens 3. Share a common virulence plasmid 4. Show calcium-dependent growth 3.