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Effects of Some Metal Ions on the Production of an Antibacterial Substance by Rhizopus sp. MKU 24

机译:某些金属离子对根霉菌产生抗菌物质的影响。 MKU 24

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摘要

Rhizopus sp. MKU 24 selected from 46 Rhizopus strains produced a considerable amount of antibacterial activity in a liquid culture. The concentration and the kind of metal ion have large influence on the production of the antibacterial substance. It is concluded that the SLS medium supplemented with 2 mu g/ml of iron ions, 49 mu g/ml of magnesium ions, 2.5 mu g/ml of zinc ions, and 100 jug/ml of calcium ions was the best condition for producing the antibacterial substance. Antibacterial activity wasnot detected against Gram-negative bacteria, yeast, and fungi, but strong activity was detected against Bacillus subtllis and Mlcrococcus luteus.
机译:根霉从46个根霉菌株中选出的MKU 24在液体培养物中产生了大量的抗菌活性。金属离子的浓度和种类对抗菌物质的产生有很大的影响。结论是补充2μg/ ml铁离子,49μg/ ml镁离子,2.5μg/ ml锌离子和100 jug / ml钙离子的SLS培养基是最佳生产条件抗菌物质。未检测到对革兰氏阴性细菌,酵母和真菌的抗菌活性,但是对枯草芽孢杆菌和黄曲霉菌检测到强活性。

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