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Review
. 2002 Jul 9;99(14):9087-9.
doi: 10.1073/pnas.152321799. Epub 2002 Jul 1.

Shooting from the hip: spatial control of signal release by intracellular waves

Stanislav Y Shvartsman  1
Affiliations
Review

Shooting from the hip: spatial control of signal release by intracellular waves

Stanislav Y Shvartsman. Proc Natl Acad Sci U S A. .
No abstract available

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Figures

Figure 1
Figure 1
Static (A) and dynamic (B and C) strategies for the generation of directed fluxes of extracellular signals. (A) Signal direction is fixed by cell orientation. (B) Nuclear migration redirects signal release from the Drosophila oocyte. (C) Signal direction is dynamically regulated by propagating intracellular waves.
Figure 2
Figure 2
Combination of autocatalytic chemistry (e.g., calcium-induced calcium release) with diffusion is a basic mechanism for the generation of propagating reaction waves (16, 21). Examples of reaction waves in catalysis on metal surfaces: (A) Temperature wave observed during CO oxidation on the surface of a supported Pd catalyst. The wave arises from the interaction between the autocatalytic heat release and heat conduction. (B) Spirals and target patterns in the isothermal NO reduction on an Rh single-crystal catalyst. The wave arises from the interaction between the autocatalytic generation of empty catalyst sites and adsorbate diffusion. Thus, a combination of autocatalytic chemistry (e.g., calcium-induced calcium release) with diffusion is a basic mechanism for the generation of propagating waves.
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