铁限制条件对鲍曼不动杆菌临床分离株生长的影响。
Effect of iron-limiting conditions on growth of clinical isolates of Acinetobacter baumannii.
作者信息
Actis L A, Tolmasky M E, Crosa L M, Crosa J H
机构信息
Department of Microbiology and Immunology, School of Medicine, Oregon Health Sciences University, Portland 97201-3098.
出版信息
J Clin Microbiol. 1993 Oct;31(10):2812-5. doi: 10.1128/jcm.31.10.2812-2815.1993.
Different clinical isolates of Acinetobacter baumannii, typed by plasmid profile, were able to grow in iron-chelated medium by secreting iron-regulated siderophores. This iron-scavenging phenotype was associated with the production of iron-repressible catechol. Siderophore utilization bioassays showed the presence of 2,3-dihydroxybenzoic acid in the growth medium, and neither enterobactin nor aerobactin was detected in culture supernatants obtained under iron-deficient conditions.
通过质粒图谱分型的不同鲍曼不动杆菌临床分离株，能够通过分泌铁调节的铁载体在铁螯合培养基中生长。这种铁清除表型与铁抑制儿茶酚的产生有关。铁载体利用生物测定表明生长培养基中存在2,3 - 二羟基苯甲酸，并且在缺铁条件下获得的培养上清液中未检测到肠杆菌素和气杆菌素。
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