In order to enable an iCal export link, your account needs to have an API key created. This key enables other applications to access data from within Indico even when you are neither using nor logged into the Indico system yourself with the link provided. Once created, you can manage your key at any time by going to 'My Profile' and looking under the tab entitled 'HTTP API'. Further information about HTTP API keys can be found in the Indico documentation.
Additionally to having an API key associated with your account, exporting private event information requires the usage of a persistent signature. This enables API URLs which do not expire after a few minutes so while the setting is active, anyone in possession of the link provided can access the information. Due to this, it is extremely important that you keep these links private and for your use only. If you think someone else may have acquired access to a link using this key in the future, you must immediately create a new key pair on the 'My Profile' page under the 'HTTP API' and update the iCalendar links afterwards.
Permanent link for public information only:
Permanent link for all public and protected information:
Understanding the cell shape and locomotion of Spiroplasma
The Spiroplasmas are helical bacteria of the class Mollicutes, that lack cell walls. They swim by propagating a kink of handedness-change along their body. The major structural component of the cell is a multistranded protein ribbon bound to the inner side of the cell membrane. The ribbon runs the entire length of the cell body, following the shortest helical path on the membrane inner surface. Kink propagation is believed to be driven by conformational changes in the ribbon subunits, or by unidentified motor proteins attached to the ribbon, but the microscopic mechanism is unknown.
We combine simple mechanical models with new observations of cell shapes to understand kink propagation in Spiroplasma. Our conclusions differ from earlier work based on purely geometrical considerations. This leads us to propose new microscopic mechanisms for the handedness change, and a new interpretation of the observed bend angle in kinked cells. These results offer a qualitatively new understanding of existing data, as well as suggestions for future experiments.