Development of automatic image analysis algorithms for protein localization studies in budding yeast

Katarina Logg; Mats Kvarnström; Alfredo Diez; Kristofer Bodvard; Mikael Käll

doi:10.1117/12.700179

19 February 2007 Development of automatic image analysis algorithms for protein localization studies in budding yeast

Katarina Logg, Mats Kvarnström, Alfredo Diez, Kristofer Bodvard, Mikael Käll

Proceedings Volume 6441, Imaging, Manipulation, and Analysis of Biomolecules, Cells, and Tissues V; 64411J (2007) https://doi.org/10.1117/12.700179
Event: SPIE BiOS, 2007, San Jose, California, United States

Abstract

Microscopy of fluorescently labeled proteins has become a standard technique for live cell imaging. However, it is still a challenge to systematically extract quantitative data from large sets of images in an unbiased fashion, which is particularly important in high-throughput or time-lapse studies. Here we describe the development of a software package aimed at automatic quantification of abundance and spatio-temporal dynamics of fluorescently tagged proteins in vivo in the budding yeast Saccharomyces cerevisiae, one of the most important model organisms in proteomics. The image analysis methodology is based on first identifying cell contours from bright field images, and then use this information to measure and statistically analyse protein abundance in specific cellular domains from the corresponding fluorescence images. The applicability of the procedure is exemplified for two nuclear localized GFP-tagged proteins, Mcm4p and Nrm1p.

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Katarina Logg, Mats Kvarnström, Alfredo Diez, Kristofer Bodvard, and Mikael Käll "Development of automatic image analysis algorithms for protein localization studies in budding yeast", Proc. SPIE 6441, Imaging, Manipulation, and Analysis of Biomolecules, Cells, and Tissues V, 64411J (19 February 2007); https://doi.org/10.1117/12.700179

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