Summary
Flagella are generally recognized as organelles of motility responsible for the ability ofChlamydomonas to swim through its environment. However, the same flagella are also responsible for an alternative form of whole cell locomotion, termed gliding. Use of paralyzed flagella mutants demonstrates that gliding is independent of axonemal bend propagation. Gliding motility results from an interaction of the flagellar surface with a solid substrate. Gliding is characterized by bidirectional movements at 1.6±0.3 μm/second and occurs when the cell is in a characteristic gliding configuration, where the two flagella are oriented at 180° to one another. A variety of observations suggest that the leading flagellum is responsible for the force transduction resulting in cell locomotion, although both flagella have the capacity to function as the active flagellum. The characteristics of gliding motility have been compared with theChlamydomonas flagellar surface motility phenomenon defined as surface translocation of polystyrene microspheres.
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Bloodgood, R.A. Flagella-dependent gliding motility inChlamydomonas . Protoplasma 106, 183–192 (1981). https://doi.org/10.1007/BF01275550
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DOI: https://doi.org/10.1007/BF01275550