We introduce a novel fluorescent reporter with potential for super-resolution microscopy, based on the bacterial photoreceptor YtvA. YtvA (from Bacillus subtilis) comprises a photosensitive flavin-based LOV domain, efficiently photo-switchable between fluorescent and non-fluorescent states. We demonstrate Fluorescence PhotoActivation Localization Microscopy (FPALM) studies of live Escherichia coli cells, expressing YtvA molecules.
A photochromic bacterial photoreceptor with potential for super-resolution microscopy
CELLA, FRANCESCA;BIANCHINI, PAOLO;DIASPRO, ALBERTO GIOVANNI;
2013-01-01
Abstract
We introduce a novel fluorescent reporter with potential for super-resolution microscopy, based on the bacterial photoreceptor YtvA. YtvA (from Bacillus subtilis) comprises a photosensitive flavin-based LOV domain, efficiently photo-switchable between fluorescent and non-fluorescent states. We demonstrate Fluorescence PhotoActivation Localization Microscopy (FPALM) studies of live Escherichia coli cells, expressing YtvA molecules.
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