Effect of exsheathment on motility and pathogenicity of two entomopathogenic nematode species

The effect of sheath loss on motility and pathogenicity of the entomopathogenic nematodes, Heterorhabditis bacteriophora and Steinernema carpocapsae, was examined using both naturally and chemically exsheathed (desheathed) infective juveniles. Exsheathed S. carpocapsae showed increased motility on a...

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Veröffentlicht in:Journal of nematology. - 1969. - 24(1992), 3 vom: 15. Sept., Seite 365-70
1. Verfasser: Campbell, L R (VerfasserIn)
Weitere Verfasser: Gaugler, R
Format: Aufsatz
Sprache:English
Veröffentlicht: 1992
Zugriff auf das übergeordnete Werk:Journal of nematology
Schlagworte:Journal Article Heterorhabditis bacteriophora Steinernema carpocapsae host-finding behavior nematode sheath
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520 |a The effect of sheath loss on motility and pathogenicity of the entomopathogenic nematodes, Heterorhabditis bacteriophora and Steinernema carpocapsae, was examined using both naturally and chemically exsheathed (desheathed) infective juveniles. Exsheathed S. carpocapsae showed increased motility on agar compared to sheathed nematodes. The presence of a host increased motility threefold in all S. carpocapsae treatments. These results suggest that activation of S. carpocapsae host finding may result from sheath loss in addition to host stimuli. Desheathed H. bacteriophora were significantly less motile than the sheathed or exsheathed groups. The decreased motility may be due to adverse effects of the chemical treatment for desheathment. Sheath loss did not affect the pathogenicity of either species 
650 4 |a Journal Article 
650 4 |a Heterorhabditis bacteriophora 
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650 4 |a sheath 
700 1 |a Gaugler, R  |e verfasserin  |4 aut 
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