Team:LMU-Munich/Data/differentiation

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Revision as of 18:36, 25 October 2012

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Differentiation

B. subtilis is able to differentiate into cells with different morphologies and functions (Fig. 1 and Fig. 3). The most characteristic form is the endospore, which is produced under nutrient starvation. In our project, we will exploit the production of endospores. Because they are extremely stable, they are perfect vehicles for the display of functional fusion proteins on their surface as illustrated by our Sporobead module.

Fig. 3: The vegetative cycle is very similiar to the one of E. coli. But if there is a stress like for example starvation, the cells enter sporulation, where they first undergo a polar cell division, followed by the formation of the endospore. If the enviromental conditions are suitable again, the spore will then germinate and reenter the vegetative cycle.