Bombyx mori protein BmREEPa and BmPtchd could form a complex with BmNPV envelope protein GP64
2017
Abstract Our previous studies have indicated that Bombyx mori receptor expression enhancing protein a (BmREEPa) could participate in BV invasion in vivo and in vitro , however, the mechanism is still unclear. In this study, we screened BmREEPa interacting protein through co-immunoprecipitation and finally identified a membrane protein, Bombyx mori patched domain containing protein (BmPtchd, KR338939), which contains receptor activity. Further studies showed that BmPtchd, BmREEPa and Glycoprotein 64 could form a protein complex and the expression level of BmREEPa and BmPtchd could be affected by cellular cholesterol level. These findings may provide an important basis for explaining the invasion mechanism of Bombyx mori Nucleopolyhedrovirus budded virus.
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