human derived insect resistant gene and anti-cry1b toxin idiotype single-chain antibody encoded therein and application thereof

摘要

provided are a human derived insect resistant gene having a nucleotide sequence represented by seq id no. 1, and an anti-cry1b toxin idiotype single chain antibody encoded by said human derived insect resistant gene and which has an amino acid sequence represented by seq id no.2. the idiotype single chain antibody is of the ß type and has insecticidal activity, and upon expression by the prokaryotic system, the primary culture of the same has bmw binding activity of cnaphalocrocis medinalis midgut membrane specific receptor.