Teaching animations
Interactive animations for histology and cell biology, made at the Institute of Anatomy of the University of Bern. They run in any browser, on a laptop, a tablet or a phone, in German, French and English.
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Aktin am Lamellipodium
L'actine dans le lamellipode · Actin at the lamellipodium
Actin treadmilling at the leading edge of a crawling cell: ATP, ADP-Pi and ADP actin, Arp2/3 branches, capping protein, cofilin. Guided tour in nine steps.
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Dynamische Instabilität
Instabilité dynamique · Dynamic instability
A microtubule grows and shrinks: GTP cap, catastrophe, rescue, the cell edge, and what the tubulin concentration changes. Guided tour in nine steps.
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Sarkomer und Kraft
Sarcomère et force · Sarcomere and force
How the A band, I band and H zone change with sarcomere length, and why force depends on the overlap of actin and myosin. Rabbit and frog data, optional titin.
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Desmosomen unter Zug
Desmosomes sous traction · Desmosomes under tension
Two epithelia under the same pulling force, with and without keratin filaments anchoring their desmosomes; a link to epidermolysis bullosa simplex.