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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Yeast Cls2p/Csg2p localized on the endoplasmic reticulum membrane regulates a non-exchangeable intracellular Ca2+ pool cooperatively with calcineurin.

Saccharromyces cerevisiae CLS2 gene product (Cls2p) that is localized on the endoplasmic reticulum is important for the regulation of intracellular Ca2+ in a compartment distinct from the vacuole. Using a vma3 mutation that impairs the Ca2+ sequestering activity into the vacuole, we have shown that the cls2 mutation results in 3.4-fold increase in the Ca2+ pool that is not exchangeable with extracellular Ca2+. Accumulation of Ca2+ within the cls2 cells is synergistically elevated by the addition of immunosuppressant, FK506. Moreover, in the vma3 background, toxicity caused by the cls2 mutation is greatly enhanced by FK506. Given that FK506 inhibits the calcineurin activity, Cls2p likely functions in releasing Ca2+ flux from the endoplasmic reticulum, somehow cooperating with calcineurin.[1]

References

  1. Yeast Cls2p/Csg2p localized on the endoplasmic reticulum membrane regulates a non-exchangeable intracellular Ca2+ pool cooperatively with calcineurin. Tanida, I., Takita, Y., Hasegawa, A., Ohya, Y., Anraku, Y. FEBS Lett. (1996) [Pubmed]
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