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Green algae move to the beat
Date:10/25/2013

eat around 30 times per second. In a flat observation chamber, the researchers allowed the single-celled green algae Chlamydomonas to swim around under their microscope lenses and then evaluated the swimming and bending movements on the microscope films: "From these films, we are able to reconstruct all of the mechanical forces at work in detail," says Friedrich. When the load increases, the flagellum beats more slowly just like a car engine that has to negotiate an incline. The strength and speed of the beat are linked to the movement of the body. This load dependency synchronises the beats of the two flagella and thus eliminates the need for special sensors or chemical signals.


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Contact: Dr. Veikko Geyer
geyer@mpi-cbg.de
49-351-210-2891
Max-Planck-Gesellschaft
Source:Eurekalert  

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