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Animals
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Studies of Swine Coronavirus
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Studies of Swine Coronavirus

A special issue of Animals (ISSN 2076-2615). This special issue belongs to the section "Pigs".

Deadline for manuscript submissions: 31 December 2024 | Viewed by 2174

Special Issue Editors

Dr. Shenglong Wu

E-Mail Website
Guest Editor
Key Laboratory for Animal Genetics, Breeding, Reproduction and Molecular Design of Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China
Interests: swine; coronavirus; non-coding RNA; epigenetics; expression regulation
Dr. Zhengchang Wu

E-Mail Website
Guest Editor
Key Laboratory for Animal Genetics, Breeding, Reproduction and Molecular Design of Jiangsu Province, College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China
Interests: swine; coronavirus; non-coding RNA; m6A modification

Special Issue Information

Dear Colleagues,

Coronavirus is a single-stranded, positive-stranded RNA virus with a capsid structure. According to the RNA sequence and protein composition of viruses, coronaviruses can be divided into four genera: α-coronavirus, β-coronavirus, γ-coronavirus, and δ-coronavirus. The coronaviruses which can infect pigs are mainly the following six species: Transmissible Gastroenteritis Virus (TGEV); Porcine Epidemic Diarrhea Virus (PEDV); Porcine Respiratory Coronavirus (PRCV); Swine Acute Diarrhea Syndrome Coronavirus (SADS-COV), also known as Porcine Enteric Alphacoronavirus (PEAV) or Swine Enteric Alphacoronavirus (SeA-CoV); Porcine Hemagglutinating Encephalitis Virus (PHEV); and Porcine deltacoronavirus (PDCoV).

These coronaviruses are highly contagious and can cause acute gastroenteritis in pigs, primarily in newborn piglets. In addition, coronaviruses cause clinical manifestations of diarrhea, vomiting, dehydration, and other symptoms (some of which can cause neurological symptoms) in pigs. Pig coronaviruses lead to the widespread death of piglets and significant economic losses in the pig industry. The mechanism of coronavirus pathogenesis remains unclear.

The primary objective of this Special Issue is to collect the latest research on porcine coronavirus, infection statistics, disease prevention and control of pig coronaviruses, progress in vaccine development, comparison of and improvement in relevant disease prevention and control measures, advanced biosecurity measures, effective vaccine prevention and control statistics, etc. The aim is to provide new insight for researchers from different countries.

Dr. Shenglong Wu
Dr. Zhengchang Wu
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at mdpi.longhoe.net by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Animals is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • swine
  • coronavirus
  • TGEV
  • PEDV
  • PDCoV
  • SADS-COV
  • PRCV
  • PHEV
  • pathology
  • testing
  • vaccines

Published Papers (2 papers)

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Research

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14 pages, 3805 KiB  
Article
Prevalence and Genetic Characterization of Porcine Respiratory Coronavirus in Korean Pig Farms
by Ju-Han Kim, Jonghyun Park, Dong-Kyu Lee, Won-Il Kim, Young S. Lyoo, Choi-Kyu Park and Hye-Ryung Kim
Animals 2024, 14(11), 1698; https://doi.org/10.3390/ani14111698 - 5 Jun 2024
Viewed by 424
Abstract
Porcine respiratory coronavirus (PRCV) is a member of the species Alphacoronavirus 1 within the genus Alphacoronavirus of the family Coronaviridae. A few studies have been conducted on the prevalence of PRCV since its first identification in 1997, but there have been no [...] Read more.
Porcine respiratory coronavirus (PRCV) is a member of the species Alphacoronavirus 1 within the genus Alphacoronavirus of the family Coronaviridae. A few studies have been conducted on the prevalence of PRCV since its first identification in 1997, but there have been no recent studies on the prevalence and genetic characterization of the virus in Korea. In this study, the seroprevalence of PRCV was determined in Korean pig farms using a commercially available TGEV/PRCV differential enzyme-linked immunosorbent assay kit. The farm-level seroprevalence of PRCV was determined to be 68.6% (48/70), similar to previous reports in Korea, suggesting that PRCV is still circulating in Korean pig herds nationwide. Among the 20 PRCV-seropositive farms tested in this study, PRCV RNAs were detected in 17 oral fluid samples (28.3%) from nine farms (45.0%), while TGEV RNAs were not detected in any sample. To investigate the genetic characteristics of Korean PRCV strains, genetic and phylogenetic analyses were conducted on PRCV spike gene sequences obtained in this study. The three Korean PRCV strains (KPRCV2401, KPRCV2402, and KPRCV2403) shared 98.5–100% homology with each other and 96.2–96.6% and 91.6–94.5% homology with European and American strains, respectively. A 224-amino acid deletion was found in the S gene of both Korean and European PRCVs but not in that of American PRCVs, suggesting a European origin for Korean PRCVs. Phylogenetic analysis showed that Korean PRCVs are more closely related to European PRCVs than American PRCVs but clustered apart from both, suggesting that Korean PRCV has evolved independently since its emergence in Korean PRCVs. The results of this study will help expand knowledge on the epidemiology and molecular biology of PRCV currently circulating in Korea. Full article
(This article belongs to the Special Issue Studies of Swine Coronavirus)
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Review

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22 pages, 2595 KiB  
Review
Research Advances on Swine Acute Diarrhea Syndrome Coronavirus
by Chuancheng Liu, Weili Huang, **nyan He, Zhihua Feng and Qi Chen
Animals 2024, 14(3), 448; https://doi.org/10.3390/ani14030448 - 30 Jan 2024
Viewed by 1416
Abstract
Swine acute diarrhea syndrome coronavirus (SADS-CoV) is a virulent pathogen that causes acute diarrhea in piglets. The virus was first discovered in Guangdong Province, China, in 2017 and has since emerged in Jiangxi, Fujian, and Guangxi Provinces. The outbreak exhibited a localized and [...] Read more.
Swine acute diarrhea syndrome coronavirus (SADS-CoV) is a virulent pathogen that causes acute diarrhea in piglets. The virus was first discovered in Guangdong Province, China, in 2017 and has since emerged in Jiangxi, Fujian, and Guangxi Provinces. The outbreak exhibited a localized and sporadic pattern, with no discernable temporal continuity. The virus can infect human progenitor cells and demonstrates considerable potential for cross-species transmission, representing a potential risk for zoonotic transmission. Therefore, continuous surveillance of and comprehensive research on SADS-CoV are imperative. This review provides an overview of the temporal and evolutionary features of SADS-CoV outbreaks, focusing on the structural characteristics of the virus, which serve as the basis for discussing its potential for interspecies transmission. Additionally, the review summarizes virus–host interactions, including the effects on host cells, as well as apoptotic and autophagic behaviors, and discusses prevention and treatment modalities for this viral infection. Full article
(This article belongs to the Special Issue Studies of Swine Coronavirus)
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