Polarity and form regulation in development and reconstitution

Progress in Biophysics and Molecular Biology
Y Schiffmann

Abstract

In the literature, it is often assumed, for example with respect to Hydra, that several Turing systems coexist and it is also assumed that maintaining the polar profile, even when the system increases in size, is important for the polarity of the final phenotype. It is shown here that in reality there is only one Turing system, Child's system. To obtain a complete polar individual or organ, whether in reconstitution or development, it is essential that the complete succession of metabolic patterns occurs. Child's concepts of physiological dominance, subordination and isolation are interpreted in the light of Turing theory and in particular the Turing wavelength. It is emphasised, particularly by pointing to Child's metabolic patterns in coelenterates, both in development and in reconstitution, that it is the elongation that drives the succession polar metabolic pattern-->bipolar metabolic pattern, and this corresponds to the prediction of Turing theory supporting the thesis that Child's metabolic pattern is a Turing pattern. It is shown that if we assume that ATP is the Turing inhibitor then the many results of Child about the reduction of the scale of organisation with the decrease in the intensity of the energy metabolism cor...Continue Reading

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Citations

Dec 29, 2010·Progress in Biophysics and Molecular Biology·Yoram Schiffmann
Apr 14, 2005·Progress in Biophysics and Molecular Biology·Yoram Schiffmann
Dec 3, 2005·Progress in Biophysics and Molecular Biology·Yoram Schiffmann
Sep 17, 2016·Progress in Biophysics and Molecular Biology·Zhimin Li, Charles Shang
Apr 11, 2017·Progress in Biophysics and Molecular Biology·Yoram Schiffmann
Aug 4, 2004·European Journal of Internal Medicine·N. Arias MartínezJ.J. Vázquez Rodríguez
Sep 24, 2004·Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution·Ronald A Jenner
Aug 6, 2008·Progress in Biophysics and Molecular Biology·Yoram Schiffmann
Apr 24, 2007·Progress in Biophysics and Molecular Biology·Yoram Schiffmann

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