Abstract
We have described a protocol for performing high-throughput immunofluorescence microscopy on microarrays of yeast cells. This approach employs immunostaining of spheroplasted yeast cells printed as high-density cell microarrays, followed by imaging using automated microscopy. A yeast spheroplast microarray can contain more than 5,000 printed spots, each containing cells from a given yeast strain, and is thus suitable for genome-wide screens focusing on single cell phenotypes, such as systematic localization or co-localization studies or genetic assays for genes affecting probed targets. We demonstrate the use of yeast spheroplast microarrays to probe microtubule and spindle defects across a collection of yeast strains harboring tetracycline-down-regulatable alleles of essential genes.
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Acknowledgments
This work was supported by grants from the N.S.F., N.I.H., and Welch (F-1515) and Packard Foundations to E.M.M.
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Niu, W., Hart, G.T., Marcotte, E.M. (2011). High-Throughput Immunofluorescence Microscopy Using Yeast Spheroplast Cell-Based Microarrays. In: Palmer, E. (eds) Cell-Based Microarrays. Methods in Molecular Biology, vol 706. Humana Press. https://doi.org/10.1007/978-1-61737-970-3_7
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DOI: https://doi.org/10.1007/978-1-61737-970-3_7
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