Acrida (1976) 5, 181-188

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D. Hoffmann and M. Brehelin (1976)
Sur l'origine et le rôle d'une activité de type lysozyme mise en évidence dans le sang de Locusta migratoria migratorioides (R. and F.)
[Origin and role of a lysozyme type of activity in the blood of Locusta migratoria migratorioides (R. and F.)]
Acrida 5, 181-188
Abstract: The haemolymph of fifth instar larvae and of young adults of Locusta migratoria, migratorioides contains a lysozyme-like antibacterial factor.
Injection of Bacillus thuringiensis increases the level of its activity in the haemolymph; this increase does not account, however; for the protection against Bacillus thuringiensis induced by the vaccination.
The probable haemocytic origin of the lysozyme-like factor is discussed.

L'hémolymphe de larves de stade V et d'imagos normaux de Locusta migratoria migratorioides contient un facteur actif sur Micrococcus lysodeikticus, que nous apparentons à un lysozyme.
L'injection de Bacillus thuringiensis augmente considérablement son taux d'activité dans l'hémolymphe; cependant, la courbe de cette activité et la protection anti-Bacillus thuringiensis induite par vaccination ne se superposent pas dans le temps.
Nous montrons que ce facteur antibactérien est d'origine hémocytaire.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
(original language: French)


Research topic(s) for pests/diseases/weeds:
biocontrol - natural enemies
general biology - morphology - evolution
Research topic(s) for beneficials or antagonists:
resistance/tolerance/defence of host


Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.


Locusta migratoria