Separation and specificity of action of four morphogens from hydra
- 1 January 1979
- journal article
- Published by Springer Nature in Wilhelm Roux' Archiv für Entwicklungsmechanik der Organismen
- Vol. 186 (2) , 139-149
- https://doi.org/10.1007/bf00848175
Abstract
A procedure is presented by which four previously described morphogenetic substances can be purified from hydra: an activator and an inhibitor of head formation and an activator and an inhibitor of foot formation. We show that all four substances act specifically. At low concentrations, the head factors only influence head and not foot formation, and the foot factors only influence foot and not head formation.Keywords
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