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Team:LMU-Munich/Spore Coat Proteins/mainresult
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Revision as of 17:16, 25 October 2012
The LMU-Munich team is exuberantly happy about the great success at the World Championship Jamboree in Boston. Our project Beadzillus finished 4th and won the prize for the "Best Wiki" (with Slovenia) and "Best New Application Project".
[ more news ]
GFP as a Proof of Principle
We obtained significant differences between wild type spores and all of our Sporobeads (see data). The intensity bar charts in Fig. 6 show the fluorescence intensity, while the 3D graphs illustrate the distribution of fluorescence intensity across the spore surface. This correlates with the localization of our fusion proteins in the crust. For image analysis we measured the fluorescence intensity of an area of 750 pixel per spore by using ImageJ and evaluated the results with the statistical software R. The following graph (Fig. 6) shows the results of microscopy and ImageJ analysis of the strongest construct integrated into wildtype W168 (B53) and the deletion strain B 49 (B70).
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As shown in Fig. 6, the wild type spore has hardly any fluorescence, whereas both Sporobeads with the integrated construct pSBBs1C-PcotYZ-cotZ-2aa-gfp-terminator give a distinct fluorescence signal around the edge of the spore. Furthermore, it demonstrates that strain B 70 has the highest fluorescence intensity. For more detailed information look at our Data page
In summary we successfully developed functional Sporobeads that are capable of displaying any protein of choice on the surface of modified B. subtilis endospores.
