A tRNA-directed transcription antitermination mechanism is common in Gram-positive bacteria, regulating the expression of aminoacyl-tRNA synthetase and amino acid biosynthesis genes.
由tRNA引导的转录抗终止机制普遍存在于革兰氏阳性细菌中 ,调控氨酰 tRNA合成酶基因和与氨基酸合成有关的酶基因的表达 。
Methods 318 samples of vaginal secret were observed by wet mount, Gram stain and were cultured.
方法对318例女性患者阴道分泌物进行了湿片法检查和革兰染色显微镜检查,并对阴道分泌物、宫颈分泌物及粪便分别进行了假丝酵母菌培养。
Methods Aggregate analysis was performed by applying normal sodium smear test under microscope associated with Gram stain and bacterial culture.
方法用生理盐水涂片直接镜检结合革兰染色与培养结果进行综合分析。
9% saline solution and stained by Gram staining.
目的 :用革兰染色和刚果红负染两种不同的染色方法对同一龈下菌斑样本进行分类计数 ,比较两种分类方法的优缺点 ,提出应用中的问题以及解决方法。
METHODS Sodium hydroxide smear of the liquid of lymphonodus puncture, Gram staining, Sabouraud′s culture and series of identification were carried out.
结果 氢氧化钠涂片和革兰染色能检出马尔尼菲青霉菌所特有的孢子。
Surveillance on antibiotic resistance of gram-positive cocci;
革兰阳性球菌耐药性监测研究
