Host haemocyte inactivation by an insect parasitoid: transient expression of a polydnavirus gene.
Polydnaviruses produced by the hymenopteran endoparasitoid Cotesia rubecula are deposited together with the egg into the lepidopteran host Pieris rapae and are apparently involved in the suppression of the host's defence system. Around 6 h post-parasitization host haemocytes change their surface properties, actin cytoskeleton structure and adhesion properties. Here we show that a single polydnavirus gene is expressed inside the caterpillar haemocytes in a transient fashion between 4 to 8 h post-parasitization.
The University of Adelaide, Waite Campus, Department of Crop Protection, Glen Osmond, Australia.
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S
Asgari
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M
Hellers
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O
Schmidt
D000595:Amino Acid Sequence; D000818:Animals; D001483:Base Sequence; D002080:Butterflies / Q000469:parasitology*; D003001:Cloning, Molecular; D004279:DNA, Viral; D005260:Female; D015870:Gene Expression; D006434:Hemocytes / Q000821:virology*; D008969:Molecular Sequence Data; D018071:Polydnaviridae / Q000235:genetics*; D012367:RNA, Viral / Q000032:analysis*; D014764:Viral Proteins / Q000737:chemistry; D014863:Wasps / Q000821:virology*
D004279:DNA, Viral; D012367:RNA, Viral; D014764:Viral Proteins