The Chemical Basis of Morphogenesis (original) (raw)
"The Chemical Basis of Morphogenesis" is an article that the English mathematician Alan Turing wrote in 1952. It describes how patterns in nature, such as stripes and spirals, can arise naturally from a homogeneous, uniform state. The theory, which can be called a reaction–diffusion theory of morphogenesis, has become a basic model in theoretical biology. Such patterns have come to be known as Turing patterns. For example, it has been postulated that the protein VEGFC can form Turing patterns to govern the formation of lymphatic vessels in the zebrafish embryo.
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| dbo:abstract | The Chemical Basis of Morphogenesis (Les Fondements chimiques de la morphogénèse) est un article écrit par Alan Turing en 1952 qui propose un modèle quant au processus naturel d'apparition de non-uniformité au sein d'un milieu de distribution spatiale uniforme et homogène à l'état initial. Sa théorie, que l'on peut voir comme une théorie de la morphogénèse par réaction-diffusion, a servi de modèle de base en biologie théorique et est considérée par certains comme un tout premier pas dans la théorie du chaos. Ce modèle est expliqué au niveau moléculaire pour expliquer la formation de « structures de réaction-diffusion » appelées « structures de Turing » qui consiste principalement en une variation spatiale des concentrations des espèces chimiques (que Turing appelle « morphogènes ») produisant des motifs en bandes ou en taches régulièrement espacées. Il implique deux molécules qui agissent en conjonction dans certaines réactions chimiques : la première agit comme activateur, initiant un processus d'émergence dans l'espace d'un motif particulier et s'auto-amplifiant par rétroaction positive mais stimulant aussi une deuxième molécule agissant comme un inhibiteur et se diffusant plus rapidement, plus loin dans l'espace. (fr) "The Chemical Basis of Morphogenesis" is an article that the English mathematician Alan Turing wrote in 1952. It describes how patterns in nature, such as stripes and spirals, can arise naturally from a homogeneous, uniform state. The theory, which can be called a reaction–diffusion theory of morphogenesis, has become a basic model in theoretical biology. Such patterns have come to be known as Turing patterns. For example, it has been postulated that the protein VEGFC can form Turing patterns to govern the formation of lymphatic vessels in the zebrafish embryo. (en) チューリング・パターン（Turing Pattern）とはイギリスの数学者アラン・チューリングによって1952年に理論的存在が示された自発的に生じる空間的パターンである。 (ja) Base química da morfogênese foi um artigo escrito pelo matemático britânico Alan Turing em 1952 descrevendo a maneira pela qual padrões naturais como listras, manchas e espirais podem surgir naturalmente de um estado homogêneo e uniforme. A teoria, que pode ser chamada de teoria da morfogênese reação-difusão, serviu como um modelo básico na biologia teórica. (pt) |
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| rdfs:comment | "The Chemical Basis of Morphogenesis" is an article that the English mathematician Alan Turing wrote in 1952. It describes how patterns in nature, such as stripes and spirals, can arise naturally from a homogeneous, uniform state. The theory, which can be called a reaction–diffusion theory of morphogenesis, has become a basic model in theoretical biology. Such patterns have come to be known as Turing patterns. For example, it has been postulated that the protein VEGFC can form Turing patterns to govern the formation of lymphatic vessels in the zebrafish embryo. (en) チューリング・パターン（Turing Pattern）とはイギリスの数学者アラン・チューリングによって1952年に理論的存在が示された自発的に生じる空間的パターンである。 (ja) Base química da morfogênese foi um artigo escrito pelo matemático britânico Alan Turing em 1952 descrevendo a maneira pela qual padrões naturais como listras, manchas e espirais podem surgir naturalmente de um estado homogêneo e uniforme. A teoria, que pode ser chamada de teoria da morfogênese reação-difusão, serviu como um modelo básico na biologia teórica. (pt) The Chemical Basis of Morphogenesis (Les Fondements chimiques de la morphogénèse) est un article écrit par Alan Turing en 1952 qui propose un modèle quant au processus naturel d'apparition de non-uniformité au sein d'un milieu de distribution spatiale uniforme et homogène à l'état initial. Sa théorie, que l'on peut voir comme une théorie de la morphogénèse par réaction-diffusion, a servi de modèle de base en biologie théorique et est considérée par certains comme un tout premier pas dans la théorie du chaos. Ce modèle est expliqué au niveau moléculaire pour expliquer la formation de « structures de réaction-diffusion » appelées « structures de Turing » qui consiste principalement en une variation spatiale des concentrations des espèces chimiques (que Turing appelle « morphogènes ») produis (fr) |
| rdfs:label | The Chemical Basis of Morphogenesis (fr) チューリング・パターン (ja) Base química da morfogênese (pt) The Chemical Basis of Morphogenesis (en) |
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