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Production and characterization of antibody against diacetoxyscirpenol.

Authors
Type
Published Article
Journal
Applied and Environmental Microbiology
0099-2240
Publisher
American Society for Microbiology
Publication Date
Volume
48
Issue
4
Pages
777–780
Identifiers
PMID: 6508286
Source
Medline

Abstract

Antibodies against diacetoxyscirpenol (DAS) were obtained from rabbits after immunizing them with hemisuccinate or hemiglutarate derivatives of DAS conjugated to bovine serum albumin (BSA). DAS-hemiglutarate-BSA was found to be a much better immunogen than DAS-hemisuccinate-BSA. Competitive radioimmunoassay revealed that the antisera obtained from rabbits after immunization with DAS-hemiglutarate-BSA showed high specificity toward DAS. The concentrations causing 50% displacement of radioactive DAS by unlabeled DAS, 4-monoacetoxyscirpenol (MAS), and 15-MAS were found to be 1.5, 130, and 300 ng per assay, respectively. Thus, the cross-reactivities for 4-MAS and 15-MAS are ca. 87 and 300 times weaker than that of DAS. Practically no cross-reaction (less than 5% displacement) was observed when deoxynivalenol, T-2 toxin, deoxyverrucarol, and scirpentriol were tested at a concentration of 2,000 ng/ml.

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