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Quantitative Live Cell Fluorescence-microscopy Analysis of Fission Yeast
Published on: January 23, 2012
Functional correlation between the nuclear localization of Fht1p and its flocculation and heat tolerance activities
1Department of Biochemistry, Yamanashi Medical University, Yamanashi, Japan. hiha@swallow.res.yamanashi-med.ac.jp
Abstract:
Fht1p is involved in the flocculation and heat tolerance machinery of budding yeast Saccharomyces cerevisiae. Despite knowledge of its involvement in those phenotypes, a precise mechanism has yet to be discovered. To this end, we monitored the relationship between subcellular localization of Fht1p and its flocculation or heat tolerance function using newly developed expression vectors with a recombinant green fluorescent protein (GFP; S65T/S147P) of Aequorea victoria added at both the N- and C-terminus of Fht1p. The main fluorescent signal of the GFP tagged with either a wild-type Fht1p or mutants which preserve their flocculation function was detected in the nucleus, whereas signals of functionless mutants were dispersed to the cytoplasm.
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