Abstract

The overproduction of proteins of the endoplasmic reticulum (ER) of plant cells in prokaryotic heterologous gene expression system remains a technical challenge. Recent advances in genetically modified insect cell technology and virus engineering methods have paved the way to produce recombinant ER plant proteins, including those harboring posttranslational modifications, and therefore, to yield ER plant proteins that are natively folded and fully functional. The present contribution focuses on the baculovirus-expression system flashBAC, which overcomes certain technical hurdles found in other insect cell-based expression systems such as the generation of a bacmid and the negative selection of recombinant clones.

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