The antimutagenic effect of ethanolic extract of propolis (EEP) and honeybee (Apis mellifera) venom, both collected in the State of SΓ£o Paulo, Brazil, was assessed by the Salmonella/microsome assay upon direct-and indirect-acting mutagens. EEP had inhibitory effect (in an ascending order) on the mut
Effects of some chemical mutagens on survival and reversion of some mutant strains of Fusarium spec.
β Scribed by Dr. U. P. Singh
- Publisher
- John Wiley and Sons
- Year
- 2007
- Tongue
- English
- Weight
- 245 KB
- Volume
- 11
- Category
- Article
- ISSN
- 0233-111X
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β¦ Synopsis
The effects of acridine orange, malachite green, toluidine blue, oxytetracyclirle hydrochloride, caffeine, and N-methyl-N'-nitro-N-nitrosoguanidine (NTG) have been investigated in the mutant strains R 79, RM, WR, diauxotroph compact and widespread of Fusarium spec. Only caffeine and, asit is shown for the first time in this organism, also NTG induced reversions in the strains R 79, RM and WR.
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Data were collected following the administration of various compounds to meiotic yeast cultures to investigate their effects on disomic or diploid induction. Epi chlorohydrin, actinomycin D, and 9-aminoacridine were unable to induce either diploidy or disomy. Ethyl methanesulphonate was active in in
## INTRODUCTlON Since the appearance of the first description of tumorous cell masses in Drosophila melanogaster (Bridges, '16), nuinerous workers have investigated the nature, hereditary background, histology, and common sites of incidence of these neoplasms (Hartung, '42 ;
## Abstract Studies on chemical changes induced by gammaβirradiation at optimum dose of 75 krad in carrots were undertaken. Sugars, nitrogen, free amino acids, amino acids of alcohol insoluble solids, and pectin fractions were determined. The results indicate that the postharvest irradiation of car