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Attachment tests of Pasteuria penetrans to the cuticle of plant and animal parasitic nematodes, free living nematodes and srf mutants of Caenorhabditis elegans

Published online by Cambridge University Press:  11 April 2024

P. Mendoza de Gives*
Affiliation:
Entomology and Nematology Department, IACR-Rothamsted, Harpenden, Herts, AL5 2JQ, UK Department of Life Science, University of Nottingham, University Park, Nottingham, NG2 2RD, UK Centro Nacional de Investigaciones Disciplinarias en Parasitologia Veterinaria, CENID-PAVET, Km 11.5 Carr. Fed.Cuernavaca-Cuautla, Col. Progreso, Municipio de Jiutepec, Estado de Morelos, Ap. Postal 206, CIVAC, Morelos, México, 62500
K.G. Davies
Affiliation:
Entomology and Nematology Department, IACR-Rothamsted, Harpenden, Herts, AL5 2JQ, UK
M. Morgan
Affiliation:
Department of Life Science, University of Nottingham, University Park, Nottingham, NG2 2RD, UK
J.M. Behnke
Affiliation:
Department of Life Science, University of Nottingham, University Park, Nottingham, NG2 2RD, UK
*
*Address for correspondence: Centro Nacional de Investigaciones Disciplinarias en Parasitologia Veterinaria, CENID-PAVET, Km 11.5 Carr. Fed. Cuernavaca-Cuautla, Col. Progreso, Municipio de Jiutepec, Estado de Morelos, Ap. Postal 206, CIVAC, Morelos, Mexico, 62500. Fax: 73 20 55 44

Abstract

Populations of Pasteuria penetrans isolated from root-knot nematodes (Meloidogyne spp.) and cyst nematodes (Heterodera spp.) were tested for their ability to adhere to a limited selection of sheathed and exsheathed animal parasitic nematodes, free living nematodes, including Caenorhabditis elegans wild type and several srf mutants, and plant parasitic nematodes. The attachment of spores of Pasteuria was restricted and no spores were observed adhering to any of the animal parasitic nematodes either with or without their sheath or to any of the free living nematodes including C. elegans and the srf mutants. All spore attachment was restricted to plant parasitic nematodes; however, spores isolated from cyst nematodes showed the ability to adhere to other genera of plant parasitic nematodes which was not the case with spores isolated from root-knot nematodes. The results are discussed in relationship to cuticular heterogeneity.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1999

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