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Using electron microscopy, we demonstrated the presence of a novel small RNA-containing virus in the venom apparatus of an endoparasitic wasp, Pteromalus puparum, designated as PpSRV. Morphologically, PpSRV has classical features of picorna-like viruses. It caused the development deterioration and tissue destruction of P. puparum venom apparatus. The laboratory colony of P. puparum was infectious...
In hymenopteran parasitoids devoid of symbiotic viruses, venom proteins appear to play a major role in host immune suppression and host regulation. Not much is known about the active components of venom proteins in these parasitoids, especially those that have the functions involved in the suppression of host cellular immunity. Here, we report the isolation and characterization of a venom protein...
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