Abstract：
:Endoparasitoid wasps develop at the expense of other insects, leading to their death. Eggs deposited inside the host body induce an immune response, which results in the formation of a melanized cellular capsule around the egg. To evade or counteract this response, endoparasitoids have evolved different strategies, the most often reported being injection into the host of immunosuppressive factors, notably venom proteins, along with the egg. The analysis of venom components has been performed independently in species of different taxa, but the present picture is far from complete. Intriguingly, the question of the level of venom variability inside species has been neglected, although it may partly determine the potential for parasitoid adaptation. Here, we present a short review of our present knowledge of venom components in endoparasitoids, as well as of the only well-known example of intraspecific variability in a venom immune suppressive protein being responsible for variation in parasitoid virulence. We then present data evidencing inter-individual variation of venom protein profiles, using a gel electrophoresis approach, both in laboratory strains and field populations of a figitid and a braconid species. Whether occurrence of such variability may permit a selection of parasitoid venom components driven by the host remains to be tested, notably in the context of the production and use of biological control auxiliaries.
journal_name
J Insect Physioljournal_title
Journal of insect physiologyauthors
Colinet D,Mathé-Hubert H,Allemand R,Gatti JL,Poirié Mdoi
10.1016/j.jinsphys.2012.10.013subject
Has Abstractpub_date
2013-02-01 00:00:00pages
205-12issue
2eissn
0022-1910issn
1879-1611pii
S0022-1910(12)00265-Xjournal_volume
59pub_type
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