从墨西哥城高速公路分离出的细菌的无机离子抗性
Inorganic-ion resistance by bacteria isolated from a Mexico City freeway.
作者信息
Vaca Pacheco S, Miranda R, Cervantes C
机构信息
Escuela Nacional de Estudios Profesionales Iztacala, Universidad Nacional Autónoma de México, Tlalnepantla.
出版信息
Antonie Van Leeuwenhoek. 1995;67(4):333-7. doi: 10.1007/BF00872931.
Bacteria were isolated from soil samples, containing high exchangeable lead concentrations, obtained from a busy freeway in the México City metropolitan area. Forty-five selected strains (86.7% Gram-positive) had a single MIC distribution pattern for lead (800-1600 micrograms/ml lead nitrate) and were considered lead-resistant. The isolates showed variable levels of resistance to arsenate (86.7%), chromate (66.7%), cadmium (57.6%), and mercury (31.1%) ions. Multiple inorganic-ion resistance was shown by all strains.
从墨西哥城大都市区一条繁忙高速公路采集的土壤样本中分离出细菌，这些土壤样本含有高浓度的可交换铅。挑选出的45株菌株（86.7%为革兰氏阳性菌）对铅（硝酸铅800 - 1600微克/毫升）具有单一的最低抑菌浓度分布模式，被认为具有抗铅性。这些分离菌株对砷酸盐（86.7%）、铬酸盐（66.7%）、镉（57.6%）和汞（31.1%）离子表现出不同程度的抗性。所有菌株均表现出对多种无机离子的抗性。
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