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  • 1
    Electronic Resource
    Electronic Resource
    Binding of textile azo dyes byMyrothecium verrucaria (1992)
    Springer
    Journal of industrial microbiology and biotechnology 10 (1992), S. 31-36 
    Details
    ISSN: 1476-5535
    Keywords: Myrothecium ; Textile dye ; Azo dyes ; Wastewater
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Summary A strain ofMyrothecium verrucaria that showed a high capacity for rapid decolorization of textile dye solutions was isolated from soil. As much as 70%, 86%, and 95% of Orange II, 10B (blue) and RS (red) dyes (color index no. 15510, 20470, 23635), respectively, were adsorbed from solutions of approximately 0.2 g dye per liter in 5 h by approximately 4.5 g dry weight of cells per liter of dye solution. Intact cells showed a higher adsorption capacity than disrupted cells for Orange II and RS but not for 10B. Dye bound to cells was recoverable by extraction with methanol and methanol-treated cells were able to be recycled, albeit with a slightly diminished dye-binding capacity. The Tween detergents were shown to reduce dye adsorption. Dyes strongly bound to the fungal biomass required sonication in dH2O or in Triton X-100 or extraction with methanol for their removal. These results suggest that hydrophobic/hydrophilic interactions are important in dye binding.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01583631
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  • 2
    Electronic Resource
    Electronic Resource
    Biological Control of Soft Rot of Chinese Cabbage Using Single and Mixed Treatments of Bacteriocin-producing Avirulent Mutants of Erwinia carotovora subsp. carotovora (2000)
    Springer
    Journal of general plant pathology 66 (2000), S. 264-268 
    Details
    ISSN: 1610-739X
    Keywords: Key words : soft rot disease, Chinese cabbage, bacteriocin-producing avirulent mutant, biological control.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Two pathogenic strains of E. carotovora subsp. carotovora 2T-2 and TT-4 with high bacteriocin activity but low sensitivity to the bacteriocins of other strains were treated with ethyl methane sulphonate (EMS). Two avirulent mutants A-f-39 and B-e-19 developed from 2T-2 and TT-4, respectively, by this treatment had the same bacteriocin activity as their respective parents and inhibited the in vitro growth of pathogenic strains of this species. The disease control of these two mutant strains were compared in the field in 1995 and 1997 to the control by CGE234M403 (M403) (a commercialized biocontrol agent), a mixture of A-f-39 and M403, and an agrochemical (basic dithianon-copper chloride). The protection obtained with A-f-39 was comparable to M403 and was better than that with the chemical. The mixture of A-f-39 and M403 consistently gave the best results in all the field trials.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/PL00012957
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