Fluorescent and Ferritin Labelling of Cuticle Surface Carbohydrates of Caenorhabditis elegans and Panagrellus redivivus

Authors

  • Hans-Boerje Jansson
  • A. Jeyaprakash
  • Gerald C. Coles
  • Nahum Marban-Mendoza
  • Bert M. Zuckerman

Abstract

Caenorhabditis elegans and Panagrellus redivivus were investigated for surface carbohydrates using fluorescent-labelled and ferritin-labelled lectins. Rhodamine-labelled Concanavalin A was specifically located in the cephalic region of both species. Rhodamine-labelled wheat germ agglutinin was located over the entire cuticle of P. redivivus but was absent on C. elegans. Rhodamine-labelled peanut agglutinin and Limax flavus agglutinin did not label nematodes of either species. Galactose and sialic acid were not detected on either species, whereas mannose-glucose residues were specifically localized in the head areas of both species. No detectable N-acetylglucosamine occurred on C. elegans, but it was evenly distributed over the cuticle surface of P. redivivus. Key words: Caenorhabditis elegans, cuticle, fluorescence, microscopy, lectin, PanagreUus redivivus, surface carbohydrate, transmission electron microscopy.

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Published

1986-10-15

Issue

Vol. 18, No. 4 (October 1986)

Section

Articles

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