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Müller WA, Plickert G. Quantitative analysis of an inhibitory gradient field in the hydrozoan stolon. Wilehm Roux Arch Dev Biol. 1982;191(1):56-63doi: 10.1007/BF00848546.
Müller, W. A., & Plickert, G. (1982). Quantitative analysis of an inhibitory gradient field in the hydrozoan stolon. Wilhelm Roux's archives of developmental biology, 191(1), 56-63. https://doi.org/10.1007/BF00848546
Müller, Werner A, and Plickert, Günter. "Quantitative analysis of an inhibitory gradient field in the hydrozoan stolon." Wilhelm Roux's archives of developmental biology vol. 191,1 (1982): 56-63. doi: https://doi.org/10.1007/BF00848546
Müller WA, Plickert G. Quantitative analysis of an inhibitory gradient field in the hydrozoan stolon. Wilehm Roux Arch Dev Biol. 1982 Jan;191(1):56-63. doi: 10.1007/BF00848546. PMID: 28305422.
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Wilehm Roux Arch Dev Biol. 1982 Jan;191(1):56-63. doi: 10.1007/BF00848546.

Quantitative analysis of an inhibitory gradient field in the hydrozoan stolon.

Wilhelm Roux's archives of developmental biology

Werner A Müller, Günter Plickert

Affiliations

  1. Zoologisches Institut, Universität, Im Neuenheimer Feld 230, D-6900, Heidelberg, Federal Republik of Germany.

PMID: 28305422 DOI: 10.1007/BF00848546

Abstract

An inhibitory field which emanates from the mobile tips of elongating stolons of colonial hydroids has been identified and analyzed. It extends proximally with decreasing intensity for about 400-700 μm and ensures that branching sites occur at appropriate distances along the stolon. The local strengths of inhibition within the field have been measured with a new method which permits high temporal and spatial resolution. Kinetic studies reveal three characteristics. First, inhibition decays rather rapidly after removal of its source. The half life is about 30 min. Second, loss of inhibition immediately triggers initiation of future tip formation. Third, restoration and spreading of inhibition are slow processes which take 8-24 h to recover 90% of the original inhibitory levels.

Keywords: Developmental Field; Hydrozoa; Inhibitory Gradient; Stolon Development

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