Genetic control of limb development [Le controle genetique du developpement des membres]

Vertebrate limbs are an amazing example of successful adaptation to various environmental conditions. In higher vertebrates, forelimbs help to fly, swim, walk, dig, grasp or play the Passacaille, yet their basic structure (the sequence and spatial arrangement of bony elements) is always the same. This implies the existence of a unique developmental strategy for building a limb (a limb plan) that imposes early on a basic scheme, on the top of which subsequent species-specific customizations will occur. The description of such a universal limb plan, hence the idea that the genetic and developmental processes that generate this plan are very ancient, has been controversial for about a century. It is worth asking whether recent discoveries of important genes involved in these processes can bring novel arguments to the debate


    Departement de Zoologie et Biologie Animale, Faculte des Sciences, Universite de Geneve, Science III, Suisse


    • UPDUB-REVIEW-2008-009

    Record created on 2008-02-27, modified on 2016-08-08


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