A caged rhodamine 110 derivative for the specific labeling of SNAP-tag fusion proteins is introduced. The caged rhodamine 110 derivative permits the labeling of cell surface proteins in living cells and of intracellular proteins in fixed cells. The probe requires only a single caging group to maintain the fluorophore in a non-fluorescent state and becomes highly fluorescent after uncaging. The high contrast ratio is confirmed both in bulk and at the single molecule level. This property, together with its high photon yield makes it an excellent dye for photoactivated localization microscopy (PALM), as we demonstrate here.
机构:
Harvard Univ, Howard Hughes Med Inst, Cambridge, MA 02138 USA
Harvard Univ, Dept Chem & Chem Biol, Cambridge, MA 02138 USAHarvard Univ, Howard Hughes Med Inst, Cambridge, MA 02138 USA
Huang, Bo
Wang, Wenqin
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Harvard Univ, Dept Phys, Cambridge, MA 02138 USAHarvard Univ, Howard Hughes Med Inst, Cambridge, MA 02138 USA
Wang, Wenqin
Bates, Mark
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Harvard Univ, Sch Engn & Appl Sci, Cambridge, MA 02138 USAHarvard Univ, Howard Hughes Med Inst, Cambridge, MA 02138 USA
Bates, Mark
Zhuang, Xiaowei
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Harvard Univ, Howard Hughes Med Inst, Cambridge, MA 02138 USA
Harvard Univ, Dept Chem & Chem Biol, Cambridge, MA 02138 USA
Harvard Univ, Dept Phys, Cambridge, MA 02138 USAHarvard Univ, Howard Hughes Med Inst, Cambridge, MA 02138 USA
机构:
Harvard Univ, Howard Hughes Med Inst, Cambridge, MA 02138 USA
Harvard Univ, Dept Chem & Chem Biol, Cambridge, MA 02138 USAHarvard Univ, Howard Hughes Med Inst, Cambridge, MA 02138 USA
Huang, Bo
Wang, Wenqin
论文数: 0引用数: 0
h-index: 0
机构:
Harvard Univ, Dept Phys, Cambridge, MA 02138 USAHarvard Univ, Howard Hughes Med Inst, Cambridge, MA 02138 USA
Wang, Wenqin
Bates, Mark
论文数: 0引用数: 0
h-index: 0
机构:
Harvard Univ, Sch Engn & Appl Sci, Cambridge, MA 02138 USAHarvard Univ, Howard Hughes Med Inst, Cambridge, MA 02138 USA
Bates, Mark
Zhuang, Xiaowei
论文数: 0引用数: 0
h-index: 0
机构:
Harvard Univ, Howard Hughes Med Inst, Cambridge, MA 02138 USA
Harvard Univ, Dept Chem & Chem Biol, Cambridge, MA 02138 USA
Harvard Univ, Dept Phys, Cambridge, MA 02138 USAHarvard Univ, Howard Hughes Med Inst, Cambridge, MA 02138 USA