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首页> 外文期刊>Biocontrol Science >Isolation, Identification and Antibacterial Susceptibility of Staphylococcus spp. Associated with the Mobile Phones of University Students
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Isolation, Identification and Antibacterial Susceptibility of Staphylococcus spp. Associated with the Mobile Phones of University Students

机译：金黄色葡萄球菌的分离，鉴定和抗菌敏感性。与大学生手机相关

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摘要

From May 2014 to February 2015, 319 university students (male, n=173; female n=146) of 18 to 24 years of age who carried mobile phones or computer tablets were selected as subjects. Staphylococcus spp. were detected in 101 of 319 samples (31.7%). In the present study, 11 strains of S. aureus were isolated and identified, not all of which were methicillin-resistant Staphylococcus aureus (MRSA). Overall, 14 species were identified, with 11 strains (10.9%) of S. xylosus being isolated at the highest frequency. Following this were eight strains (7.9%) of S. cohnii and seven strains (6.9%) each of S. capitis and S. haemolyticus. Staphylococcus spp. isolation was performed with bacterial samples obtained from the mobile phones of 22 specific subjects (males, n=12; females, n=10). Staphylococcus spp. isolation was performed on days-1, 7 and 30 of the experiment. Staphylococcus spp. were positively detected one or more times in 12 subjects (54.5%). In one subject (8.3%), all three tests were positive. Furthermore, two tests were positive in three (25.0%). In the eight remaining subjects (66.7%) Staphylococcus spp. were detected only once. For the three abovementioned tests, we investigated the pulsed-field gel electrophoresis (PFGE) patterns of the strains derived from the mobile phone and from the fingers of three subjects in whom the same bacterial species were isolated twice. From the cases with similarities between strains derived from the fingers and the mobile phones and cases, with consistency in the strains derived from the mobile phone at different times, commonality was observed in the strains derived from the fingers and mobile phones along with chronological uniformity in the 'strains derived from the mobile phones. A total of 101 Staphylococcus spp. strains were isolated from mobile phones. According to drug susceptibility tests, 99 strains (98.0%) were found to have some degree of resistance to drugs (excluding one strain each of S. aureus and S. haemolyticus). Among these, the strain that showed the highest level of drug resistance was one strain (1.0%) of Staphylococcus spp., which showed resistance to nine drugs. The strain that showed the second highest level of drug resistance was one strain (1.0%) of S. caprea, which showed resistance to seven drugs. In this manner, the drug-resistant tendencies of Staphylococcus spp. isolated from mobile phones were observed.
机译：从2014年5月至2015年2月，选择了319位年龄在18至24岁之间，携带手机或平板电脑的大学生（男，n = 173;女n = 146）作为研究对象。金黄色葡萄球菌在319个样本中有101个被检出（31.7％）。在本研究中，分离并鉴定了11株金黄色葡萄球菌，并非所有菌株都是耐甲氧西林的金黄色葡萄球菌（MRSA）。总体上，鉴定出14种，其中以最高频率分离了11株（10.9％）的木糖链霉菌。之后是八株（7.9％）的链球菌和七株（6.9％）的链球菌和溶血链球菌。金黄色葡萄球菌用从22名特定受试者的手机中获得的细菌样品进行分离（男性，n = 12;女性，n = 10）。金黄色葡萄球菌在实验的第1天，第7天和第30天进行分离。金黄色葡萄球菌在12位受试者（54.5％）中被一次或多次阳性检出。在一个受试者（8.3％）中，所有三个测试均为阳性。此外，三项测试中有两项为阳性（25.0％）。在剩下的八名受试者（66.7％）中，葡萄球菌属。仅被检测到一次。对于上述三个测试，我们研究了来自手机和三个对象的手指衍生菌株的脉冲场凝胶电泳（PFGE）模式，在该对象中两次分离出相同的细菌。从手指和手机衍生的菌株之间的相似性案例和案例，以及不同时间从手机衍生的菌株中的一致性，观察到手指和手机衍生的菌株的共性以及时间上的一致性。来自手机的“应变”。共101株葡萄球菌。从手机中分离出菌株。根据药物敏感性测试，发现有99株（98.0％）对药物具有一定程度的耐药性（不包括金黄色葡萄球菌和溶血链球菌各一种）。其中，耐药性最高的菌株是葡萄球菌属的一种菌株（1.0％），对九种药物具有耐药性。表现出第二高水平耐药性的菌株是一种链球菌（S. caprea）（1.0％），其表现出对七种药物的耐药性。以这种方式，葡萄球菌属的耐药趋势。观察到与手机隔离。

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