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  Turing's Pioneering Paper "The Chemical Basis of Morphogenesis" and the Subsequent Development of Theories of Biological Pattern Formation

Meinhardt, H. (2012). Turing's Pioneering Paper "The Chemical Basis of Morphogenesis" and the Subsequent Development of Theories of Biological Pattern Formation. Talk presented at The Alan Turing Centenary Conference. Manchester, UK. 2012-06-22 - 2012-06-25.

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 Creators:
Meinhardt, H1, Author           
Affiliations:
1Department Integrative Evolutionary Biology, Max Planck Institute for Developmental Biology, Max Planck Society, ou_3375786              

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 Abstract: In his pioneering work Alan Turing has shown that de-novo pattern formation is possible if two substances interact that differ in their diffusion range. Later we have shown that pattern formation is possible if and only if a self-enhancing reaction is coupled with an antagonistic process of longer range. Knowing this crucial condition has enabled us to include non-linear interactions, which are required to design molecularly-realistic interactions. Different reaction schemes and their relation to Turing's proposal are discussed and compared with more recent observations on the molecular-genetic level. An almost forgotten part of Turing's paper deals with three-component systems that allow the generation of time-dependent spatial patterns that never reach a stable steady state. In contrast to Turing's expectation, it will be shown that these patterns play a crucial role in very different biological situations.

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 Dates: 2012-06
 Publication Status: Published online
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Title: The Alan Turing Centenary Conference
Place of Event: Manchester, UK
Start-/End Date: 2012-06-22 - 2012-06-25
Invited: Yes

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