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Comparative histological and immunohistochemical study of sea star tube feet (Echinodermata, Asteroidea)

2004; Wiley; Volume: 263; Issue: 3 Linguagem: Inglês

10.1002/jmor.10187

1097-4687

Romana Santos, Delphine Haesaerts, Michel Jangoux, Patrick Flammang,

Marine and coastal plant biology

Journal of MorphologyVolume 263, Issue 3 p. 259-269 Article Comparative histological and immunohistochemical study of sea star tube feet (Echinodermata, Asteroidea) Romana Santos, Corresponding Author Romana Santos romana_santos@yahoo.com Marine Biology Laboratory, University of Mons-Hainaut, B-7000 Mons, BelgiumUniversité de Mons-Hainaut, Laboratoire de Biologie Marine, Pentagone 2B, 6 Avenue du Champ de Mars, B-7000 Mons, BelgiumSearch for more papers by this authorDelphine Haesaerts, Delphine Haesaerts Marine Biology Laboratory, Free University of Brussels, B-1050 Brussels, BelgiumSearch for more papers by this authorMichel Jangoux, Michel Jangoux Marine Biology Laboratory, University of Mons-Hainaut, B-7000 Mons, Belgium Marine Biology Laboratory, Free University of Brussels, B-1050 Brussels, BelgiumSearch for more papers by this authorPatrick Flammang, Patrick Flammang Marine Biology Laboratory, University of Mons-Hainaut, B-7000 Mons, BelgiumSearch for more papers by this author Romana Santos, Corresponding Author Romana Santos romana_santos@yahoo.com Marine Biology Laboratory, University of Mons-Hainaut, B-7000 Mons, BelgiumUniversité de Mons-Hainaut, Laboratoire de Biologie Marine, Pentagone 2B, 6 Avenue du Champ de Mars, B-7000 Mons, BelgiumSearch for more papers by this authorDelphine Haesaerts, Delphine Haesaerts Marine Biology Laboratory, Free University of Brussels, B-1050 Brussels, BelgiumSearch for more papers by this authorMichel Jangoux, Michel Jangoux Marine Biology Laboratory, University of Mons-Hainaut, B-7000 Mons, Belgium Marine Biology Laboratory, Free University of Brussels, B-1050 Brussels, BelgiumSearch for more papers by this authorPatrick Flammang, Patrick Flammang Marine Biology Laboratory, University of Mons-Hainaut, B-7000 Mons, BelgiumSearch for more papers by this author First published: 17 November 2004 https://doi.org/10.1002/jmor.10187Citations: 27AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinked InRedditWechat Abstract Adhesion in sea stars is the function of specialized structures, the tube feet or podia, which are the external appendages of the water-vascular system. Adhesive secretions allow asteroid tube feet to perform multiple functions. Indeed, according to the sea star species considered, the tube feet may be involved in locomotion, fixation, or burrowing. Different tube foot shapes usually correspond to this variety of function. In this study, we investigated the variability of the morphology of sea star tube feet as well as the variability of the composition of their adhesive secretions. This second aspect was addressed by a comparative immunohistochemical study using antibodies raised against the adhesive material of the forcipulatid Asterias rubens. The tube feet from 14 sea star species representing five orders and 10 families of the Class Asteroidea were examined. The histological study revealed three main tube foot morphotypes, i.e., knob-ending, simple disc-ending, and reinforced disc-ending. Analysis of the results suggests that tube foot morphology is influenced by species habitat, but within limits imposed by the evolutionary lineage. In immunohistochemistry, on the other hand, the results were very homogeneous. In every species investigated there was a very strong immunolabeling of the adhesive cells, independently of the taxon considered, of the tube foot morphotype or function, or of the species habitat. This indicates that the adhesives in all the species considered are closely related, probably sharing many identical molecules or, at least, many identical epitopes on their constituents. © 2004 Wiley-Liss, Inc. Citing Literature Volume263, Issue3March 2005Pages 259-269 RelatedInformation