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Arabidopsis thaliana cryptochrome 2 (AtCRY2), a light-sensitive photosensory protein, was previously adapted for use in controlling protein-protein interactions through light-dependent binding to a partner protein, CIB1. While the existing CRY2-CIB dimerization system has been used extensively for optogenetic applications, some limitations exist. Here, we(More)
Genetically encoded sensors based on fluorescence resonance energy transfer (FRET) are powerful tools for reporting on ions, molecules and biochemical reactions in living cells. Here we describe the development of new sensors for Zn²⁺based on alternate FRET-pairs that do not involve the traditional CFP and YFP. Zn²⁺ is an essential micronutrient and plays(More)
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