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Aflatoxin: effect on cultured heteroploid human embryonic lung cells. ACTION OF CYCLOSERINE ON A SPECIES OF ERWINIA WITH REFERENCE TO CELL DIVISION. INHIBITION OF MICROBIAL GROWTH AND SEPARATION BY D-SERINE, VANCOMYCIN, AND MITOMYCIN C. Investigation of the factor in groundnut meal responsible for 'turkey X disease'. de IONGH, BEERTHUIS RK, VLES RO, BARRETT CB, ORD WO.A study of the conditions and mechanism of the diphenylamine reaction for the colorimetric estimation of deoxyribonucleic acid. Gibberellic acid-induced lipase and alpha-amylase formation and their inhibition by aflatoxin. Vancomycin adsorption to Bacillus subtilis cell walls. Aflatoxins: Environmental Factors Governing Occurrence in Spanish Peanuts. Ashworth LJ, Jr, Schroeder HW, Langley BC.ASAO T, BUECHI G, ABDEL-KADER MM, CHANG SB, WICK EL, WOGAN GN.Links to PubMed are also available for Selected References. Get a printable copy (PDF file) of the complete article (2.1M), or click on a page image below to browse page by page.

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Full textįull text is available as a scanned copy of the original print version. Converting existing b1 and bz1 shards to tsm1 format results in a significant. aurantiacum were not able to remove or modify the aflatoxin in an aqueous solution. The uptake of aflatoxin B 1 by resting cells was sensitive to temperature and pH. However, the toxin removed by autoclaved cells and cell walls could be extracted by washing with water but the aflatoxin B 1 removed by intact cells could not be extracted into the liquid phase. Autoclaved cells and cell wall preparations could remove a fraction of the aflatoxin of a test system. Incubation of 1.0 × 10 11 resting cells per milliliter with 7.0 μg/ml of aflatoxin B 1 during a 4-hr period facilitated complete toxin removal from a buffered aqueous medium. These toxin concentrations partially inhibited growth, and the nature of the inhibition suggested that aflatoxin interfered with cell wall synthesis. Cells grown in the presence of 5 ppm or higher levels of aflatoxin developed aberrant morphological forms. Spectrophotometic and thin-layer techniques served as aflatoxin assays. Removal of aflatoxin B 1 from liquid cultures by resting and growing cells of Flavobacterium aurantiacum NRRL B-184 was studied.