The Collagenous Component of Veretillum Cynomorium (Cnidaria)

  • Brigitte Senut
  • Jean-Marie Franc
Part of the NATO ASI Series book series (NSSA, volume 93)


The extracellular matrix (i.e. mesogloea) of Cnidaria presents unique features due to the absence of acidic mucopolysaccharides (Katzman and Jeanloz, 1970; Bocquet et al., 1972) and of morphologically well-defined native collagen fibers. In Actinia equina (Anthozoa, Hexacorallia), the cnidarian collagen molecule was identified as consisting of 3 identical α chains (Nordwig and Hayduk, 1969; Nordwig et al., 1973). This structure, based on a single gene origin, was considered as the possible ancestral form of the collagen molecule. However, more recently Kimura et al. (1983) found more than one kind of a chain in the collagen component of a jellyfish (Scyphomedusae), although he did not characterize them as belonging to specific molecular species of collagen. This paper reports a partial characterization of the mesogloeal collagen of an octocorallian anthozoa: the sea-pen Veretillum cynomorium, and presents new evidence for heterochain composition of the cnidarian collagen.


Collagen Component Collagen Molecule Acidic Mucopolysaccharide Salt Fraction Acetic Acid Extract 
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Copyright information

© Plenum Press, New York 1985

Authors and Affiliations

  • Brigitte Senut
    • 1
  • Jean-Marie Franc
    • 1
  1. 1.Lab. Histologie et Biologie Tissulaire (L.A. CNRS 244)Université Claude Bernard - Lyon IVilleurbanne CedexFrance

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