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Article

Ca2+ oscillations mediated by exogenous GTP in Paramecium cells: assessment of possible Ca2+ sources.

Cell calcium - 1 Nov 2004

Sehring Ivonne M, Plattner Helmut

Abstract excerpt

We applied exogenous guanosine trisphosphate, GTP, to Paramecium tetraurelia cells injected with Fura Red for analysing changes of free intracellular Ca(2+) concentrations, [Ca(2+)](i), during periodic back-/forward swimming thus induced. Strain ginA (non-responsive to GTP) shows no Ca(2+) signal upon GTP application. In strain nd6 (normal Ca(2+) signalling) an oscillating [Ca(2+)](i) response with a prominent...

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Identifiers

PMID: 15451624
DOI: 10.1016/j.ceca.2004.04.001

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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