We have recently developed a new method for monitoring Ca2+ concentrations in defined cell compartments. The cDNA encoding the Ca(2+)-sensitive photoprotein aequorin has been modified in order to include specific targeting sequences and expressed in eukaryotic cells; the recombinant protein, specifically located inside the cells, has allowed the direct study of mitochondrial and nuclear Ca2+ concentrations in living cells. The principles, and the application, of this new methodology are discussed in this article.

TARGETING OF AEQUORIN FOR CALCIUM MONITORING IN INTRACELLULAR COMPARTMENTS

BRINI, MARISA;MURGIA, MARTA;POZZAN, TULLIO;RIZZUTO, ROSARIO
1994

Abstract

We have recently developed a new method for monitoring Ca2+ concentrations in defined cell compartments. The cDNA encoding the Ca(2+)-sensitive photoprotein aequorin has been modified in order to include specific targeting sequences and expressed in eukaryotic cells; the recombinant protein, specifically located inside the cells, has allowed the direct study of mitochondrial and nuclear Ca2+ concentrations in living cells. The principles, and the application, of this new methodology are discussed in this article.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11577/2460233
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