绿脓杆菌显色培养基
HiFluoro Pseudomonas HiVeg Agar Base
货号 | 名称 | 规格 | 存储 |
MV1469 | HiFluoro Pseudomonas HiVeg Agar Base | 100g, 500g | 2-8℃密闭 |
原理
铜绿假单胞菌(又名绿脓杆菌)是革兰氏阴性杆状需氧菌。正如其他假单胞菌一样,铜绿假单胞菌分泌几种的色素,包括绿脓素(蓝绿色)、荧光素(黄绿色,发荧光)、红脓素(棕红色)。King等人开发了假单胞菌琼脂P(又称King A培养基),用于提高绿脓素和红脓素的产出,以及假单胞菌琼脂F(又称King B 培养基)用于提升荧光素的产出【1】。
该显色培养基用植物源蛋白胨取代动物蛋白胨,并基于King 等人的配方而成(荧光混合剂除外)。它是选择性培养基,用于从脓液、痰和引流液等样本中分离铜绿假单胞菌。
培养基中的溴棕*铵抑制其他菌群生长。它作为季铵类化合物和阳离子表面活性剂,使铜绿假单胞菌之外的细菌菌体释放出氮和磷。铜绿假单胞菌裂解荧光底物,使UV下发射荧光。
培养基组成
组成 | g/L |
HiVeg蛋白胨2号 | 18 |
氯化镁 | 1.4 |
溴化十六烷基*铵 | 0.3 |
氯化镁 | 1.4 |
荧光混合剂 | 2.05 |
琼脂 | 15 |
终pH值(25°C) 7.2±0.2 |
配制
46.75 g溶于1000 ml蒸馏水(其中含10ml甘油)。加热至沸腾使全部溶解,高压灭菌。混匀和倾注平板。
培养反应
35-37°C培养18-24小时后,观察如下:
菌种 | 接种量(CFU) | 生长状况 | 回收率 | 荧光(UV下) |
铜绿假单胞菌ATCC 27853 | 50-100 | 旺盛 | ≥50% | 阳性 |
嗜麦芽窄食单胞菌ATCC 13637 | ≥103 | 抑制 | 0% | |
金黄色葡萄球菌ATCC 25923 | ≥103 | 抑制 | 0% | |
大肠杆菌ATCC 25922 | ≥103 | 抑制 | 0% |
参考文献
1.King, Ward and Raney, 1954, J. Lab. Clin. Med., 44:301.
产品引用文献
[1] BT Odumosu, BA Adeniyi, RC Dada-AdegbolaHannah - Blood, Multidrug resistant Pseudomonas aeruginosa from Southwest Nigeria hospitals. International Journal of Pharmaceutical Sciences Review and Research[J] , 2012,7:11-15.
[2] Seham, M. Shasha; Ahmad, Z. Al-Herrawyb,“Bactericidal activity of chlorine on some pathogenic bacterial strains isolated from Nile water”,Egyptian Journal of Environmental Research[J].2014,2:15-27.
[3] M. Ginovyan1, V. Hovsepyan3, M. Sargsyan 2, Antibiotic resistance of Pseudomonas species isolated from Armenian fish farms,Аквакультура[J].2017,11:163-173.
[4] K.Grigoryan G. Badalyan M .SargsyanA. Harutyunyan., LWT - Food Science and Technology[J].
2014, 58(10 ): 360-363
[5]BT Odumosu, BA Adeniyi, RC Dada-AdegbolaHannah - Blood, Multidrug resistant Pseudomonas aeruginosa from Southwest Nigeria hospitals. International Journal of Pharmaceutical Sciences Review and Research[J] , 2012,7:11-15.
[6]Seham, M. Shasha; Ahmad, Z. Al-Herrawyb,“Bactericidal activity of chlorine on some pathogenic bacterial strains isolated from Nile water”,Egyptian Journal of Environmental Research[J].2014,2:15-27.
[7]M. Ginovyan1, V. Hovsepyan3, M. Sargsyan 2, Antibiotic resistance of Pseudomonas species isolated from Armenian fish farms,Аквакультура[J].2017,11:163-173.
[8]K.Grigoryan G. Badalyan M .SargsyanA. Harutyunyan., LWT - Food Science and Technology[J].
2014, 58(10 ): 360-363