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Integrated Cell Culture-Mass Spectrometry Method for Infectious Human Virus Monitoring
Environmental Science & Technology Letters ( IF 8.9 ) Pub Date : 2019-05-16 , DOI: 10.1021/acs.estlett.9b00226
Yinyin Ye 1 , Linbo Zhao 2 , Michael J. Imperiale 2 , Krista R. Wigginton 1
Affiliation  

Tools for detecting infectious human viruses in environmental samples are essential for protecting human health. Here, we developed an Integrated Cell Culture-Mass Spectrometry (ICC-MS) method that detects infectious viruses by identifying viral proteins that replicate in cell cultures. The ICC-MS method was first validated and optimized with murine hepatitis viruses (MHV) spiked in culture media and wastewater concentrates and then applied to detect human viruses in untreated and treated wastewater samples. Reoviruses were detected in wastewater samples when the method was applied with Vero, BGMK, and BSC-1 cell lines. Strain-specific viral peptides from reovirus type 1, type 2, and type 3 were detected in primary influent, secondary effluent (pre-UV treatment), and UV-treated effluent. We propose that the ICC-MS method is a promising technique for directly detecting infectious human viruses in environmental samples without the need for primer design. This method can be expanded in future work to detect and quantify more types of culturable viruses and to address questions of virus fate and transmission in the environment.

中文翻译:

集成细胞培养质谱法检测人类传染性病毒

检测环境样品中人类传染性病毒的工具对于保护人类健康至关重要。在这里,我们开发了一种集成式细胞培养质谱法(ICC-MS),该方法可通过识别在细胞培养物中复制的病毒蛋白来检测传染性病毒。ICC-MS方法首先通过掺入培养基和废水浓缩物中的鼠肝炎病毒(MHV)进行了验证和优化,然后用于检测未经处理和经过处理的废水样品中的人病毒。当该方法与Vero,BGMK和BSC-1细胞系一起使用时,在废水样品中检测到呼肠孤病毒。在一级进水,二级进水(UV前处理)和经UV处理的废水中检测到了呼肠孤病毒1型,2型和3型的菌株特异性病毒肽。我们建议,ICC-MS方法是一种有前途的技术,可以直接检测环境样品中的感染性人类病毒,而无需进行引物设计。可以在将来的工作中扩展此方法,以检测和量化更多类型的可培养病毒,并解决病毒命运和在环境中传播的问题。
更新日期:2019-05-23
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