Abstract
AbstractAntibodies are important for the study of pokeweed antiviral protein (PAP), an important antiviral agent against many plant, animal and human viruses. As PAP is expressed only at a low level in pokeweed plants (Phytolacca americana L.), it is complex and time‐consuming to extract PAP from pokeweed plants for antibody preparation. Here, we describe an antigen‐designed method according to the amino acid sequence that translated from PAP gene cleaving the C‐terminus toxic region and N‐terminus signal peptide (Genbank No. AF338910); the two peptides, DC15: DISGTERQDVETTLC and CR15: CRYPTLESKAGVKSR, were synthesized for generation of antibodies. The design strategy enabled straightforward antigen production and antibody generation. The antibodies can be used to detect PAP in transgenic petunia plants (Petunia hybrida Vilm.), pokeweed plants (P. americana) and transformed yeast (Pachia pastoris), which can express the PAP gene by western blotting. These antibodies generated against synthetic peptides will be useful for various assays such as for PAP detection, immunoprecipitation, protein purification and western blot analysis.
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