A Systemic Study of Subcellular Localization of Porcine Epidemic Diarrhea Virus Proteins

Porcine epidemic diarrhea virus (PEDV), a highly pathogenic enteric coronavirus, is regarded as one of the most severe porcine pathogens. To date, there are still no commercial vaccines or drugs that can provide full protection against the epidemic strains. A better understanding of the subcellular...

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Main Authors: Huixin Zhu, Zitong Li, Juan Bai, Ping Jiang, Xianwei Wang, Xing Liu
Format: Article
Language:English
Published: MDPI AG 2022-12-01
Series:Pathogens
Subjects:
Online Access:https://www.mdpi.com/2076-0817/11/12/1555
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author Huixin Zhu
Zitong Li
Juan Bai
Ping Jiang
Xianwei Wang
Xing Liu
author_facet Huixin Zhu
Zitong Li
Juan Bai
Ping Jiang
Xianwei Wang
Xing Liu
author_sort Huixin Zhu
collection DOAJ
description Porcine epidemic diarrhea virus (PEDV), a highly pathogenic enteric coronavirus, is regarded as one of the most severe porcine pathogens. To date, there are still no commercial vaccines or drugs that can provide full protection against the epidemic strains. A better understanding of the subcellular location of individual proteins could benefit from studying the protein functions and mechanisms of how the virus regulates key cellular processes, finally leading to the development of antiviral agents. In this study, we characterized the subcellular localization of PEDV proteins using multi-labeled fluorescent immunocytochemistry. As a result, 11 proteins showed cytoplasmic distribution and 10 proteins showed both cytoplasmic and nuclear distribution. Furthermore, we demonstrated that four proteins (Nsp3, Nsp4, Nsp6, and S1) were co-localized in the endoplasmic reticulum (ER), while four proteins (Nsp2, S2, N, and ORF3) were partially observed in the ER, two proteins (E and M) were co-localized in the Golgi apparatus, and two proteins (Nsp2 and E) were partially co-localized with the mitochondria. These viral proteins may perform specific functions at specific cellular locations. Together, these results describe a subcellular localization map of PEDV proteins, which will help to characterize the functions of these proteins in the future.
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spelling doaj.art-3b28ad10efa24940817e41170a03afd62023-11-24T17:14:44ZengMDPI AGPathogens2076-08172022-12-011112155510.3390/pathogens11121555A Systemic Study of Subcellular Localization of Porcine Epidemic Diarrhea Virus ProteinsHuixin Zhu0Zitong Li1Juan Bai2Ping Jiang3Xianwei Wang4Xing Liu5Key Laboratory of Animal Disease Diagnostics and Immunology, Ministry of Agriculture, MOE International Joint Collaborative Research Laboratory for Animal Health & Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, ChinaKey Laboratory of Animal Disease Diagnostics and Immunology, Ministry of Agriculture, MOE International Joint Collaborative Research Laboratory for Animal Health & Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, ChinaKey Laboratory of Animal Disease Diagnostics and Immunology, Ministry of Agriculture, MOE International Joint Collaborative Research Laboratory for Animal Health & Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, ChinaKey Laboratory of Animal Disease Diagnostics and Immunology, Ministry of Agriculture, MOE International Joint Collaborative Research Laboratory for Animal Health & Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, ChinaKey Laboratory of Animal Disease Diagnostics and Immunology, Ministry of Agriculture, MOE International Joint Collaborative Research Laboratory for Animal Health & Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, ChinaKey Laboratory of Animal Disease Diagnostics and Immunology, Ministry of Agriculture, MOE International Joint Collaborative Research Laboratory for Animal Health & Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, ChinaPorcine epidemic diarrhea virus (PEDV), a highly pathogenic enteric coronavirus, is regarded as one of the most severe porcine pathogens. To date, there are still no commercial vaccines or drugs that can provide full protection against the epidemic strains. A better understanding of the subcellular location of individual proteins could benefit from studying the protein functions and mechanisms of how the virus regulates key cellular processes, finally leading to the development of antiviral agents. In this study, we characterized the subcellular localization of PEDV proteins using multi-labeled fluorescent immunocytochemistry. As a result, 11 proteins showed cytoplasmic distribution and 10 proteins showed both cytoplasmic and nuclear distribution. Furthermore, we demonstrated that four proteins (Nsp3, Nsp4, Nsp6, and S1) were co-localized in the endoplasmic reticulum (ER), while four proteins (Nsp2, S2, N, and ORF3) were partially observed in the ER, two proteins (E and M) were co-localized in the Golgi apparatus, and two proteins (Nsp2 and E) were partially co-localized with the mitochondria. These viral proteins may perform specific functions at specific cellular locations. Together, these results describe a subcellular localization map of PEDV proteins, which will help to characterize the functions of these proteins in the future.https://www.mdpi.com/2076-0817/11/12/1555PEDV proteinssubcellular localizationendoplasmic reticulum (ER)Golgi apparatusmitochondria
spellingShingle Huixin Zhu
Zitong Li
Juan Bai
Ping Jiang
Xianwei Wang
Xing Liu
A Systemic Study of Subcellular Localization of Porcine Epidemic Diarrhea Virus Proteins
Pathogens
PEDV proteins
subcellular localization
endoplasmic reticulum (ER)
Golgi apparatus
mitochondria
title A Systemic Study of Subcellular Localization of Porcine Epidemic Diarrhea Virus Proteins
title_full A Systemic Study of Subcellular Localization of Porcine Epidemic Diarrhea Virus Proteins
title_fullStr A Systemic Study of Subcellular Localization of Porcine Epidemic Diarrhea Virus Proteins
title_full_unstemmed A Systemic Study of Subcellular Localization of Porcine Epidemic Diarrhea Virus Proteins
title_short A Systemic Study of Subcellular Localization of Porcine Epidemic Diarrhea Virus Proteins
title_sort systemic study of subcellular localization of porcine epidemic diarrhea virus proteins
topic PEDV proteins
subcellular localization
endoplasmic reticulum (ER)
Golgi apparatus
mitochondria
url https://www.mdpi.com/2076-0817/11/12/1555
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