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Do test cells secrete a hatching enzyme in Ascidiella aspersa (Tunicata, Ascidiacea)?
Lübbering, B.; Hofmann, D.K. (1995). Do test cells secrete a hatching enzyme in Ascidiella aspersa (Tunicata, Ascidiacea)? Helgol. Meeresunters. 49(1-4): 295-301. https://dx.doi.org/10.1007/BF02368357
In: Helgoländer Meeresuntersuchungen. Biologische Anstalt Helgoland: Hamburg. ISSN 0174-3597, more
Also appears in:
Franke, H.-D.; Lüning, K. (Ed.) (1995). The challenge to marine biology in a changing world: Proceedings of the International Symposium commemorating the Centenary of the Biologische Anstalt Helgoland, 13-18th September 1992. Helgoländer Meeresuntersuchungen, 49(1-4). Biologische Anstalt Helgoland: Hamburg. 930 pp., more
Peer reviewed article  
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Keyword
    Marine/Coastal
Authors  Top 
  • Lübbering, B.
  • Hofmann, D.K.
Abstract
    The hatching enzyme of Ascidiella aspersa has been characterized as a trypsin-like enzyme. It dissolves the main part of the chorion and renders hatching possible at the end of embryogenesis. In contrast to Knaben's statement, this enzyme is secreted by the embryo itself and not by the test cells.
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