, Volume 49, Issue 5, pp 452-455

Allergenicity assay of allergen fromDermatophagoides farinae in transgenic tobacco

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Abstract

Derf 2 gene for one of mite allergens inDermatophagoides farinae has been cloned and expressed under regulation of 35S promoter in transgenic tobacco. The transcriptional analysis showed that this mite complete gene structure in genomic sequence could be spliced at prediction site. Allergenicity assay with immunological sera indicated that the extracts from the transgenic tobacco gave obvious positive IgE binding reaction with specific serum pool. This work would be of potential use in allergenicity assessment of genetically modified food.