Filamentous cyanobacteria buckle at a certain length when they encounter an obstacle. The results provide an important basis for the use of cyanobacteria in modern biotechnology.
Cyanobacteria are one of the oldest and most important life forms in the world -- for example as they took an essential part in producing the oxygen in our atmosphere. Some types form long filaments composed of a few to more than 1,000 individual cells. In this form, the filamentous bacteria can move around.
Cyanobacteria use sunlight as an energy source and therefore offer promising applications in biotechnology. As bio-solar collectors, for example, they can be used to produce biofuel. Due to their filamentous structure with a similar thickness to a carbon fiber, they could also be used in adaptive biomaterials in which the shape can be changed by light. A better understanding of their movement properties therefore contributes to the technological use of cyanobacteria.
The first photosynthetic oxygen-producing organisms on Earth were cyanobacteria. Their evolution dramatically changed the Earth allowing oxygen to accumulate into the atmosphere for the first time ...
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