Genetically encoded FRET sensors to monitor intracellular Zn2+ homeostasis. Vinkenborg, J. L, Nicolson, T. J, Bellomo, E. A, Koay, M. S, Rutter, G. A, & Merkx, M. Nat Methods, 6(10):737–740, August, 2009. abstract bibtex We developed genetically encoded fluorescence resonance energy transfer (FRET)-based sensors that display a large ratiometric change upon Zn(2+) binding, have affinities that span the pico- to nanomolar range and can readily be targeted to subcellular organelles. Using this sensor toolbox we found that cytosolic Zn(2+) was buffered at 0.4 nM in pancreatic beta cells, and we found substantially higher Zn(2+) concentrations in insulin-containing secretory vesicles.
@ARTICLE{Vinkenborg2009-tj,
title = "Genetically encoded {FRET} sensors to monitor intracellular Zn2+
homeostasis",
author = "Vinkenborg, Jan L and Nicolson, Tamara J and Bellomo, Elisa A and
Koay, Melissa S and Rutter, Guy A and Merkx, Maarten",
abstract = "We developed genetically encoded fluorescence resonance energy
transfer (FRET)-based sensors that display a large ratiometric
change upon Zn(2+) binding, have affinities that span the pico-
to nanomolar range and can readily be targeted to subcellular
organelles. Using this sensor toolbox we found that cytosolic
Zn(2+) was buffered at 0.4 nM in pancreatic beta cells, and we
found substantially higher Zn(2+) concentrations in
insulin-containing secretory vesicles.",
journal = "Nat Methods",
volume = 6,
number = 10,
pages = "737--740",
month = aug,
year = 2009,
language = "en"
}
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