鮰爱德华氏菌的生化特性。
Biochemical characteristics of Edwardsiella ictaluri.
作者信息
Waltman W D, Shotts E B, Hsu T C
出版信息
Appl Environ Microbiol. 1986 Jan;51(1):101-4. doi: 10.1128/aem.51.1.101-104.1986.
Abstract
A total of 119 isolates of Edwardsiella ictaluri collected over the last 7 years from several states were biochemically characterized. Although not very reactive biochemically, this bacterium shows a high degree of homogeneity. Differences were found only in the production of gas from formate or from glucose at 37 degrees C and in the production of hydrogen sulfide as detected by lead acetate paper. Analysis of E. ictaluri by year of geographic area indicated that some differences existed, but no clear-cut biotypic variations were found. All isolates studied were capable of degrading chondroitin sulfate, a major component of cartilage, which may be an important virulence factor in the formation of the hole-in-the-head lesion characteristic of infected fish.
摘要
在过去7年里从几个州收集到的总共119株鮰爱德华氏菌菌株进行了生化特性分析。尽管该细菌在生化反应上不是很活跃，但显示出高度的同质性。仅在37摄氏度下从甲酸盐或葡萄糖产气以及用醋酸铅试纸检测硫化氢产生方面发现了差异。按地理区域和年份对鮰爱德华氏菌进行分析表明存在一些差异，但未发现明确的生物型变异。所有研究的菌株都能够降解软骨的主要成分硫酸软骨素，这可能是受感染鱼类头部穿孔损伤形成过程中的一个重要毒力因子。
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