智能手机屏幕相关致病菌的分子鉴定和表征

Shirmin Islam, M. Moniruzzaman, Ms. J. Pramanik, T. Jabin, Merina Mostari, Jui, Biswas, Al-Imran, M. Uddin, M. Saleh, S. Zaman
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引用次数: 1

摘要

手机是一种与我们敏感的身体部位保持接触的设备,包括脸、手、鼻子、耳朵和嘴唇等。虽然我们知道手机的许多不好的方面;我们对它的细菌污染漠不关心。智能手机屏幕是致病细菌的无尽储存库,也是传播这些细菌的载体。该研究的目的是识别智能手机屏幕上的致病菌,并找到细菌污染的一些常见原因。因此,Rajshahi大学基因工程与生物技术系的100名学生进行了一项公众调查,以了解他们特定智能手机的使用模式。然后,在实验室工作中,用生理盐水湿润的无菌棉签从学生的智能手机屏幕上收集样本。根据细菌浓度选择4株进行进一步分析。四株中,两株为革兰氏阳性,两株为革兰氏阴性。生化检测均为致病性,所选革兰氏阳性菌为凝固酶阳性葡萄球菌种和凝固酶阴性葡萄球菌种。16S-rRNA基因测序结果表明,所选2革兰氏阴性菌株为嗜麦芽窄养单胞菌和肺炎克雷伯菌。抗生素敏感性试验提示所有细菌均具有多重耐药,对免疫功能低下的患者可能有危险。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Molecular Identification and Characterization of Smartphone Screen Associated Pathogenic Bacteria
Mobile phone is a device that keeps in contact with our sensitive body parts including faces, hands, nose, ears, and lips, etc. most of the time. Although we know many bad aspects of mobile phones; we are indifferent to its bacterial contamination. Smartphone screen is an endless reservoir of pathogenic bacteria and works as an object in spreading those bacteria. The purpose of the study was to identify pathogenic bacteria from smartphone screen and finding some common causes of bacterial contamination. So, a public survey was conducted among 100 students from the Dept. of Genetic Engineering & Biotechnology, University of Rajshahi to know the uses pattern of their particular smartphone. Then, for the lab-based work samples were collected from the smartphone screen of the students by sterile swabs moistened with normal saline water. Among the samples, four strains were selected based on bacterial concentration for further analysis. Out of four, two strains were gram-positive and two were gram-negative. Biochemical tests indicated that all of them were pathogenic and the selected gram-positive bacteria were coagulase-positive Staphylococcus species and coagulase-negative Staphylococcus species.16S-rRNA gene sequencing identified the selected two-gram negative strains as Stenotrophomonas maltophilia and Klebsiella pneumoniae. The antibiotic sensitivity test referred that all the bacteria were multidrug-resistant and may be dangerous for compromised immune patients.
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