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Shum MHH, Lee Y, Tam L, Xia H, Chung OLW, Guo Z, Lam TTY. Binding affinity between coronavirus spike protein and human ACE2 receptor. Comput Struct Biotechnol J 2024; 23:759-770. [PMID: 38304547 PMCID: PMC10831124 DOI: 10.1016/j.csbj.2024.01.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 01/14/2024] [Accepted: 01/15/2024] [Indexed: 02/03/2024] Open
Abstract
Coronaviruses (CoVs) pose a major risk to global public health due to their ability to infect diverse animal species and potential for emergence in humans. The CoV spike protein mediates viral entry into the cell and plays a crucial role in determining the binding affinity to host cell receptors. With particular emphasis on α- and β-coronaviruses that infect humans and domestic animals, current research on CoV receptor use suggests that the exploitation of the angiotensin-converting enzyme 2 (ACE2) receptor poses a significant threat for viral emergence with pandemic potential. This review summarizes the approaches used to study binding interactions between CoV spike proteins and the human ACE2 (hACE2) receptor. Solid-phase enzyme immunoassays and cell binding assays allow qualitative assessment of binding but lack quantitative evaluation of affinity. Surface plasmon resonance, Bio-layer interferometry, and Microscale Thermophoresis on the other hand, provide accurate affinity measurement through equilibrium dissociation constants (KD). In silico modeling predicts affinity through binding structure modeling, protein-protein docking simulations, and binding energy calculations but reveals inconsistent results due to the lack of a standardized approach. Machine learning and deep learning models utilize simulated and experimental protein-protein interaction data to elucidate the critical residues associated with CoV binding affinity to hACE2. Further optimization and standardization of existing approaches for studying binding affinity could aid pandemic preparedness. Specifically, prioritizing surveillance of CoVs that can bind to human receptors stands to mitigate the risk of zoonotic spillover.
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Affiliation(s)
- Marcus Ho-Hin Shum
- State Key Laboratory of Emerging Infectious Diseases, The University of Hong Kong, Hong Kong, China
- School of Public Health, The University of Hong Kong, Hong Kong, China
- Laboratory of Data Discovery for Health (D24H), Hong Kong Science Park, Hong Kong, China
| | - Yang Lee
- School of Public Health, The University of Hong Kong, Hong Kong, China
- Centre for Immunology and Infection (C2i), Hong Kong Science Park, Hong Kong, China
| | - Leighton Tam
- School of Public Health, The University of Hong Kong, Hong Kong, China
- Laboratory of Data Discovery for Health (D24H), Hong Kong Science Park, Hong Kong, China
| | - Hui Xia
- Department of Chemistry, South University of Science and Technology of China, China
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
| | - Oscar Lung-Wa Chung
- Department of Chemistry, South University of Science and Technology of China, China
| | - Zhihong Guo
- Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
| | - Tommy Tsan-Yuk Lam
- State Key Laboratory of Emerging Infectious Diseases, The University of Hong Kong, Hong Kong, China
- School of Public Health, The University of Hong Kong, Hong Kong, China
- Laboratory of Data Discovery for Health (D24H), Hong Kong Science Park, Hong Kong, China
- Centre for Immunology and Infection (C2i), Hong Kong Science Park, Hong Kong, China
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Milićević V, Sapundžić ZZ, Glišić D, Kureljušić B, Vasković N, Đorđević M, Mirčeta J. Cross-sectional serosurvey of selected infectious diseases in wild ruminants in Serbia. Res Vet Sci 2024; 170:105183. [PMID: 38359648 DOI: 10.1016/j.rvsc.2024.105183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 02/06/2024] [Accepted: 02/11/2024] [Indexed: 02/17/2024]
Abstract
The role of wildlife in maintaining infectious diseases in veterinary medicine is often neglected, although the disease eradication process in domestic animals is continuously affected by the risk of pathogens transmission from wildlife as a primary source. The main aim of this paper was to estimate the prevalence and distribution of selected infectious diseases in wild ruminants in Serbia. In total, 259 sera from wild ruminants were tested for specific antibodies to bluetongue virus, Schmallenberg virus, Bovine viral diarrhea/border disease virus, Capripox virus, West Nile fever virus, Bovine herpes virus-1, Coxiella burnetii, Brucella spp., and Leptospira spp. Specific Capripox virus and Leptospira spp. antibodies were not detected in any of the 259 wild ruminant samples. Although one animal was detected positive for BVDV/BDV specific antibodies, with 99.8% confidence, the prevalence of BVD within this population could be very low i.e. essentially free from BVD infection. One and three positive animals were detected for Brucella spp. and Coxiella burnetii antibodies, respectively. Bovine herpes virus-1 specific antibodies were detected in 20.85% of the samples. The estimated seroprevalence of vector-borne diseases was 20.5% for Schmallenberg disease, 34.3% for West Nile fever, and 38.6% for Bluetongue. Considering the reported results, wildlife health status is a result of different factors in complex relation, such as the presence of disease in domestic animals, disease nature, pathogen characteristics, environmental factors, presence, and vector competence. Wildlife should be considered not only as a risk but as a source of important information on disease distribution and its indicators.
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Affiliation(s)
- Vesna Milićević
- Institute of Veterinary Medicine of Serbia, Virology Department, Belgrade, Serbia.
| | | | - Dimitrije Glišić
- Institute of Veterinary Medicine of Serbia, Virology Department, Belgrade, Serbia
| | - Branislav Kureljušić
- Institute of Veterinary Medicine of Serbia, Pathology Department, Belgrade, Serbia
| | | | - Milutin Đorđević
- Faculty of Veterinary Medicine, University in Belgrade, Belgrade, Serbia
| | - Jovan Mirčeta
- Public Enterprise Vojvodinašume, Novi Sad, Petrovaradin, Serbia
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Outteridge M, Nunn CM, Devine K, Patel B, McLean GR. Antivirals for Broader Coverage against Human Coronaviruses. Viruses 2024; 16:156. [PMID: 38275966 PMCID: PMC10820748 DOI: 10.3390/v16010156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 01/05/2024] [Accepted: 01/16/2024] [Indexed: 01/27/2024] Open
Abstract
Coronaviruses (CoVs) are enveloped positive-sense single-stranded RNA viruses with a genome that is 27-31 kbases in length. Critical genes include the spike (S), envelope (E), membrane (M), nucleocapsid (N) and nine accessory open reading frames encoding for non-structural proteins (NSPs) that have multiple roles in the replication cycle and immune evasion (1). There are seven known human CoVs that most likely appeared after zoonotic transfer, the most recent being SARS-CoV-2, responsible for the COVID-19 pandemic. Antivirals that have been approved by the FDA for use against COVID-19 such as Paxlovid can target and successfully inhibit the main protease (MPro) activity of multiple human CoVs; however, alternative proteomes encoded by CoV genomes have a closer genetic similarity to each other, suggesting that antivirals could be developed now that target future CoVs. New zoonotic introductions of CoVs to humans are inevitable and unpredictable. Therefore, new antivirals are required to control not only the next human CoV outbreak but also the four common human CoVs (229E, OC43, NL63, HKU1) that circulate frequently and to contain sporadic outbreaks of the severe human CoVs (SARS-CoV, MERS and SARS-CoV-2). The current study found that emerging antiviral drugs, such as Paxlovid, could target other CoVs, but only SARS-CoV-2 is known to be targeted in vivo. Other drugs which have the potential to target other human CoVs are still within clinical trials and are not yet available for public use. Monoclonal antibody (mAb) treatment and vaccines for SARS-CoV-2 can reduce mortality and hospitalisation rates; however, they target the Spike protein whose sequence mutates frequently and drifts. Spike is also not applicable for targeting other HCoVs as these are not well-conserved sequences among human CoVs. Thus, there is a need for readily available treatments globally that target all seven human CoVs and improve the preparedness for inevitable future outbreaks. Here, we discuss antiviral research, contributing to the control of common and severe CoV replication and transmission, including the current SARS-CoV-2 outbreak. The aim was to identify common features of CoVs for antivirals, biologics and vaccines that could reduce the scientific, political, economic and public health strain caused by CoV outbreaks now and in the future.
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Affiliation(s)
- Mia Outteridge
- School of Human Sciences, London Metropolitan University, London N7 8DB, UK; (M.O.); (C.M.N.); (K.D.); (B.P.)
| | - Christine M. Nunn
- School of Human Sciences, London Metropolitan University, London N7 8DB, UK; (M.O.); (C.M.N.); (K.D.); (B.P.)
| | - Kevin Devine
- School of Human Sciences, London Metropolitan University, London N7 8DB, UK; (M.O.); (C.M.N.); (K.D.); (B.P.)
| | - Bhaven Patel
- School of Human Sciences, London Metropolitan University, London N7 8DB, UK; (M.O.); (C.M.N.); (K.D.); (B.P.)
| | - Gary R. McLean
- School of Human Sciences, London Metropolitan University, London N7 8DB, UK; (M.O.); (C.M.N.); (K.D.); (B.P.)
- National Heart and Lung Institute, Imperial College London, London W2 1PG, UK
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Peter-Ajuzie IK, Chukwu HS, Igbokwe CO. Microstructural characterization of the skin in the African straw-coloured fruit bat, Eidolon helvum (Pteropodidae). Anat Histol Embryol 2024; 53:e13003. [PMID: 37987196 DOI: 10.1111/ahe.13003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 10/03/2023] [Accepted: 11/12/2023] [Indexed: 11/22/2023]
Abstract
The African straw-coloured fruit Bat, Eidolon helvum, is a Yinpterochiroptera bat that is of public health and ecological importance. This study investigated the light microscopic morphology, morphometry and histochemistry of the skin and its glands across the cheek, withers, croup, ventral abdomen, perianal region, wing membrane, intercrural membrane and foot pad of the species. Sweat glands were absent and hypodermis was observed only in the withers, croup and ventral abdomen. The croup had the highest density of hair follicles while the perianal region had the highest density of sebaceous gland acini. The thicknesses of the dermis and epidermis were significantly high in the withers and foot pad respectively. Hair follicles and sebaceous glands were absent in the wing membrane. The sebaceous glands had melanin pigmentation at the periphery and stained positive to Alcian Blue-periodic acid Schiff at the withers and ventral abdomen. Epidermal and dermal thicknesses reported in this study were generally higher than those of Yangochiroptera bats and the presence of sebaceous glands and hair follicles in the wing membrane were variable in different bat species. This study has provided baseline information on the light microscopic morphology and morphometry of the skin and its glands across the various body regions in the African straw-coloured fruit bat. This information would be helpful in the understanding, handling, skin disease treatment and management of the bat in captivity for biomedical research purposes.
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Affiliation(s)
- Iheanyi Kemdirim Peter-Ajuzie
- Department of Veterinary Anatomy, Faculty of Veterinary Medicine, University of Nigeria, Nsukka, Enugu State, Nigeria
- Department of Veterinary Anatomy, Faculty of Veterinary Medicine, University of Ibadan, Ibadan, Nigeria
| | - Hannah Sarah Chukwu
- Department of Veterinary Anatomy, Faculty of Veterinary Medicine, University of Nigeria, Nsukka, Enugu State, Nigeria
| | - Casmir Onwuaso Igbokwe
- Department of Veterinary Anatomy, Faculty of Veterinary Medicine, University of Nigeria, Nsukka, Enugu State, Nigeria
- Department of Veterinary Biomedical Sciences, Faculty of Veterinary Medicine, Lilongwe University of Agriculture and Natural Resources, Bunda Campus, Malawi
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Wang G, Venegas FA, Rueda AM, Weerasinghe NW, Uggowitzer KA, Thibodeaux CJ, Moitessier N, Mittermaier AK. A naturally occurring G11S mutation in the 3C-like protease from the SARS-CoV-2 virus dramatically weakens the dimer interface. Protein Sci 2024; 33:e4857. [PMID: 38058248 PMCID: PMC10731504 DOI: 10.1002/pro.4857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 11/22/2023] [Accepted: 12/01/2023] [Indexed: 12/08/2023]
Abstract
The 3C-like protease (3CLpro ) is crucial to the replication of SARS-CoV-2, the causative agent of COVID-19, and is the target of several successful drugs including Paxlovid and Xocova. Nevertheless, the emergence of viral resistance underlines the need for alternative drug strategies. 3CLpro only functions as a homodimer, making the protein-protein interface an attractive drug target. Dimerization is partly mediated by a conserved glycine at position 11. However, some naturally occurring SARS-CoV-2 sequences contain a serine at this position, potentially disrupting the dimer. We have used concentration-dependent activity assays and mass spectrometry to show that indeed the G11S mutation reduces the stability of the dimer by 600-fold. This helps to set a quantitative benchmark for the minimum potency required of any future protein-protein interaction inhibitors targeting 3CLpro and raises interesting questions regarding how coronaviruses bearing such weakly dimerizing 3CLpro enzymes are capable of replication.
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Affiliation(s)
- Guanyu Wang
- Department of ChemistryMcGill UniversityMontrealQuebecCanada
| | | | - Andres M. Rueda
- Department of ChemistryMcGill UniversityMontrealQuebecCanada
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Weber MN, da Silva MS. Corona- and Paramyxoviruses in Bats from Brazil: A Matter of Concern? Animals (Basel) 2023; 14:88. [PMID: 38200819 PMCID: PMC10778288 DOI: 10.3390/ani14010088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 12/19/2023] [Accepted: 12/22/2023] [Indexed: 01/12/2024] Open
Abstract
Chiroptera are one of the most diverse mammal orders. They are considered reservoirs of main human pathogens, where coronaviruses (CoVs) and paramyxoviruses (PMVs) may be highlighted. Moreover, the growing number of publications on CoVs and PMVs in wildlife reinforces the scientific community's interest in eco-vigilance, especially because of the emergence of important human pathogens such as the SARS-CoV-2 and Nipha viruses. Considering that Brazil presents continental dimensions, is biologically rich containing one of the most diverse continental biotas and presents a rich biodiversity of animals classified in the order Chiroptera, the mapping of CoV and PMV genetics related to human pathogens is important and the aim of the present work. CoVs can be classified into four genera: Alphacoronavirus, Betacoronavirus, Deltacoronavirus and Gammacoronavirus. Delta- and gammacoronaviruses infect mainly birds, while alpha- and betacoronaviruses contain important animal and human pathogens. Almost 60% of alpha- and betacoronaviruses are related to bats, which are considered natural hosts of these viral genera members. The studies on CoV presence in bats from Brazil have mainly assayed phyllostomid, molossid and vespertilionid bats in the South, Southeast and North territories. Despite Brazil not hosting rhinophilid or pteropodid bats, which are natural reservoirs of SARS-related CoVs and henipaviruses, respectively, CoVs and PMVs reported in Brazilian bats are genetically closely related to some human pathogens. Most works performed with Brazilian bats reported alpha-CoVs that were closely related to other bat-CoVs, despite a few reports of beta-CoVs grouped in the Merbecovirus and Embecovirus subgenera. The family Paramyxoviridae includes four subfamilies (Avulavirinae, Metaparamyxovirinae, Orthoparamyxovirinae and Rubulavirinae), and bats are significant drivers of PMV cross-species viral transmission. Additionally, the studies that have evaluated PMV presence in Brazilian bats have mainly found sequences classified in the Jeilongvirus and Morbillivirus genera that belong to the Orthoparamyxovirinae subfamily. Despite the increasing amount of research on Brazilian bats, studies analyzing these samples are still scarce. When surveying the representativeness of the CoVs and PMVs found and the available genomic sequences, it can be perceived that there may be gaps in the knowledge. The continuous monitoring of viral sequences that are closely related to human pathogens may be helpful in mapping and predicting future hotspots in the emergence of zoonotic agents.
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Affiliation(s)
- Matheus Nunes Weber
- Laboratório de Microbiologia Molecular, Universidade FEEVALE, Novo Hamburgo 93525-075, RS, Brazil;
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Ghai RR, Straily A, Wineland N, Calogero J, Stobierski MG, Signs K, Blievernicht M, Torres-Mendoza Y, Waltenburg MA, Condrey JA, Blankenship HM, Riner D, Barr N, Schalow M, Goodrich J, Collins C, Ahmad A, Metz JM, Herzegh O, Straka K, Arsnoe DM, Duffiney AG, Shriner SA, Kainulainen MH, Carpenter A, Whitehill F, Wendling NM, Stoddard RA, Retchless AC, Uehara A, Tao Y, Li Y, Zhang J, Tong S, Barton Behravesh C. Epidemiologic and Genomic Evidence for Zoonotic Transmission of SARS-CoV-2 among People and Animals on a Michigan Mink Farm, United States, 2020. Viruses 2023; 15:2436. [PMID: 38140677 PMCID: PMC10747742 DOI: 10.3390/v15122436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 12/07/2023] [Accepted: 12/08/2023] [Indexed: 12/24/2023] Open
Abstract
Farmed mink are one of few animals in which infection with SARS-CoV-2 has resulted in sustained transmission among a population and spillback from mink to people. In September 2020, mink on a Michigan farm exhibited increased morbidity and mortality rates due to confirmed SARS-CoV-2 infection. We conducted an epidemiologic investigation to identify the source of initial mink exposure, assess the degree of spread within the facility's overall mink population, and evaluate the risk of further viral spread on the farm and in surrounding wildlife habitats. Three farm employees reported symptoms consistent with COVID-19 the same day that increased mortality rates were observed among the mink herd. One of these individuals, and another asymptomatic employee, tested positive for SARS-CoV-2 by real-time reverse transcription PCR (RT-qPCR) 9 days later. All but one mink sampled on the farm were positive for SARS-CoV-2 based on nucleic acid detection from at least one oral, nasal, or rectal swab tested by RT-qPCR (99%). Sequence analysis showed high degrees of similarity between sequences from mink and the two positive farm employees. Epidemiologic and genomic data, including the presence of F486L and N501T mutations believed to arise through mink adaptation, support the hypothesis that the two employees with SARS-CoV-2 nucleic acid detection contracted COVID-19 from mink. However, the specific source of virus introduction onto the farm was not identified. Three companion animals living with mink farm employees and 31 wild animals of six species sampled in the surrounding area were negative for SARS-CoV-2 by RT-qPCR. Results from this investigation support the necessity of a One Health approach to manage the zoonotic spread of SARS-CoV-2 and underscores the critical need for multifaceted public health approaches to prevent the introduction and spread of respiratory viruses on mink farms.
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Affiliation(s)
- Ria R. Ghai
- U.S. Centers for Disease Control and Prevention, Atlanta, GA 30333, USA; (R.R.G.)
| | - Anne Straily
- U.S. Centers for Disease Control and Prevention, Atlanta, GA 30333, USA; (R.R.G.)
| | - Nora Wineland
- Michigan Department of Agriculture and Rural Development, Lansing, MI 48933, USA
| | - Jennifer Calogero
- Michigan Department of Agriculture and Rural Development, Lansing, MI 48933, USA
| | | | - Kimberly Signs
- Michigan Department of Health and Human Services, Lansing, MI 48909, USA
| | - Melissa Blievernicht
- Michigan Department of Agriculture and Rural Development, Lansing, MI 48933, USA
| | | | | | - Jillian A. Condrey
- U.S. Centers for Disease Control and Prevention, Atlanta, GA 30333, USA; (R.R.G.)
| | | | - Diana Riner
- Michigan Department of Health and Human Services, Lansing, MI 48909, USA
| | - Nancy Barr
- Michigan Department of Agriculture and Rural Development, Lansing, MI 48933, USA
| | - Michele Schalow
- Michigan Department of Agriculture and Rural Development, Lansing, MI 48933, USA
| | - Jarold Goodrich
- Michigan Department of Agriculture and Rural Development, Lansing, MI 48933, USA
| | - Cheryl Collins
- Michigan Department of Agriculture and Rural Development, Lansing, MI 48933, USA
| | - Ausaf Ahmad
- U.S. Centers for Disease Control and Prevention, Atlanta, GA 30333, USA; (R.R.G.)
| | - John Michael Metz
- U.S. Centers for Disease Control and Prevention, Atlanta, GA 30333, USA; (R.R.G.)
| | - Owen Herzegh
- U.S. Centers for Disease Control and Prevention, Atlanta, GA 30333, USA; (R.R.G.)
| | - Kelly Straka
- Michigan Department of Natural Resources, Lansing, MI 48909, USA
| | - Dustin M. Arsnoe
- U.S. Department of Agriculture Animal and Plant Health Inspection Service, Washington, DC 20250, USA
| | - Anthony G. Duffiney
- U.S. Department of Agriculture Animal and Plant Health Inspection Service, Washington, DC 20250, USA
| | - Susan A. Shriner
- U.S. Department of Agriculture Animal and Plant Health Inspection Service, Washington, DC 20250, USA
| | | | - Ann Carpenter
- U.S. Centers for Disease Control and Prevention, Atlanta, GA 30333, USA; (R.R.G.)
| | - Florence Whitehill
- U.S. Centers for Disease Control and Prevention, Atlanta, GA 30333, USA; (R.R.G.)
| | - Natalie M. Wendling
- U.S. Centers for Disease Control and Prevention, Atlanta, GA 30333, USA; (R.R.G.)
| | - Robyn A. Stoddard
- U.S. Centers for Disease Control and Prevention, Atlanta, GA 30333, USA; (R.R.G.)
| | - Adam C. Retchless
- U.S. Centers for Disease Control and Prevention, Atlanta, GA 30333, USA; (R.R.G.)
| | - Anna Uehara
- U.S. Centers for Disease Control and Prevention, Atlanta, GA 30333, USA; (R.R.G.)
| | - Ying Tao
- U.S. Centers for Disease Control and Prevention, Atlanta, GA 30333, USA; (R.R.G.)
| | - Yan Li
- U.S. Centers for Disease Control and Prevention, Atlanta, GA 30333, USA; (R.R.G.)
| | - Jing Zhang
- U.S. Centers for Disease Control and Prevention, Atlanta, GA 30333, USA; (R.R.G.)
| | - Suxiang Tong
- U.S. Centers for Disease Control and Prevention, Atlanta, GA 30333, USA; (R.R.G.)
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Li B, Zhang T, Cao H, Ferro V, Li J, Yu M. Identification of a Pentasaccharide Lead Compound with High Affinity to the SARS-CoV-2 Spike Protein via In Silico Screening. Int J Mol Sci 2023; 24:16115. [PMID: 38003304 PMCID: PMC10671481 DOI: 10.3390/ijms242216115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 11/03/2023] [Accepted: 11/07/2023] [Indexed: 11/26/2023] Open
Abstract
The spike (S) protein on the surface of the SARS-CoV-2 virus is critical to mediate fusion with the host cell membrane through interaction with angiotensin-converting enzyme 2 (ACE2). Additionally, heparan sulfate (HS) on the host cell surface acts as an attachment factor to facilitate the binding of the S receptor binding domain (RBD) to the ACE2 receptor. Aiming at interfering with the HS-RBD interaction to protect against SARS-CoV-2 infection, we have established a pentasaccharide library composed of 14,112 compounds covering the possible sulfate substitutions on the three sugar units (GlcA, IdoA, and GlcN) of HS. The library was used for virtual screening against RBD domains of SARS-CoV-2. Molecular modeling was carried out to evaluate the potential antiviral properties of the top-hit pentasaccharide focusing on the interactive regions around the interface of RBD-HS-ACE2. The lead pentasaccharide with the highest affinity for RBD was analyzed via drug-likeness calculations, showing better predicted druggable profiles than those currently reported for RBD-binding HS mimetics. The results provide significant information for the development of HS-mimetics as anti-SARS-CoV-2 agents.
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Affiliation(s)
- Binjie Li
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China;
| | - Tianji Zhang
- Division of Chemistry and Analytical Science, National Institute of Metrology, Beijing 100029, China;
| | - Hui Cao
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China;
| | - Vito Ferro
- School of Chemistry & Molecular Biosciences, The University of Queensland, Brisbane 4072, Australia;
| | - Jinping Li
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China;
- Department of Medical Biochemistry and Microbiology, Uppsala University, 752 36 Uppsala, Sweden
| | - Mingjia Yu
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, China
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Roe K. Deadly interactions: Synergistic manipulations of concurrent pathogen infections potentially enabling future pandemics. Drug Discov Today 2023; 28:103762. [PMID: 37660981 DOI: 10.1016/j.drudis.2023.103762] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 08/18/2023] [Accepted: 08/29/2023] [Indexed: 09/05/2023]
Abstract
Certain mono-infections of influenza viruses and novel coronaviruses, including severe acute respiratory syndrome-coronavirus 2 (SARS-CoV-2) are significant threats to human health. Concurrent infections by influenza viruses and coronaviruses increases their danger. Influenza viruses have eight manipulations capable of assisting SARS-CoV-2 and other coronaviruses, and several of these manipulations, which are not specific to viruses, can also directly or indirectly boost dangerous secondary bacterial pneumonias. The influenza virus manipulations include: inhibiting transcription factors and cytokine expression; impairing defensive protein expression; increasing RNA viral replication; inhibiting defenses by manipulating cellular sensors and signaling pathways; inhibiting defenses by secreting exosomes; stimulating cholesterol production to increase synthesized virion infectivities; increasing cellular autophagy to assist viral replication; and stimulating glucocorticoid synthesis to suppress innate and adaptive immune defenses by inhibiting cytokine, chemokine, and adhesion molecule production. Teaser: Rapidly spreading multidrug-resistant respiratory bacteria, combined with influenza virus's far-reaching cellular defense manipulations benefiting evolving SARS-CoV-2 or other coronaviruses and/or respiratory bacteria, can enable more severe pandemics or co-pandemics.
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Roe K. Increased Fungal Infection Mortality Induced by Concurrent Viral Cellular Manipulations. Lung 2023; 201:467-476. [PMID: 37670187 DOI: 10.1007/s00408-023-00642-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 08/16/2023] [Indexed: 09/07/2023]
Abstract
Certain respiratory fungal pathogen mono-infections can cause high mortality rates. Several viral pathogen mono-infections, including influenza viruses and coronaviruses including SARS-CoV-2, can also cause high mortality rates. Concurrent infections by fungal pathogens and highly manipulative viral pathogens can synergistically interact in the respiratory tract to substantially increase their mortality rates. There are at least five viral manipulations which can assist secondary fungal infections. These viral manipulations include the following: (1) inhibiting transcription factors and cytokine expressions, (2) impairing defensive protein expressions, (3) inhibiting defenses by manipulating cellular sensors and signaling pathways, (4) inhibiting defenses by secreting exosomes, and (5) stimulating glucocorticoid synthesis to suppress immune defenses by inhibiting cytokine, chemokine, and adhesion molecule production. The highest mortality respiratory viral pandemics up to now have had substantially boosted mortalities by inducing secondary bacterial pneumonias. However, numerous animal species besides humans are also carriers of endemic infections by viral and multidrug-resistant fungal pathogens. The vast multi-species scope of endemic infection opportunities make it plausible that the pro-fungal manipulations of a respiratory virus can someday evolve to enable a very high mortality rate viral pandemic inducing multidrug-resistant secondary fungal pathogen infections. Since such pandemics can quickly spread world-wide and outrun existing treatments, it would be worthwhile to develop new antifungal treatments well before such a high mortality event occurs.
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Cerri A, Bolatti EM, Zorec TM, Montani ME, Rimondi A, Hosnjak L, Casal PE, Di Domenica V, Barquez RM, Poljak M, Giri AA. Identification and characterization of novel alphacoronaviruses in Tadarida brasiliensis (Chiroptera, Molossidae) from Argentina: insights into recombination as a mechanism favoring bat coronavirus cross-species transmission. Microbiol Spectr 2023; 11:e0204723. [PMID: 37695063 PMCID: PMC10581097 DOI: 10.1128/spectrum.02047-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 07/14/2023] [Indexed: 09/12/2023] Open
Abstract
Bats are reservoirs of various coronaviruses that can jump between bat species or other mammalian hosts, including humans. This article explores coronavirus infection in three bat species (Tadarida brasiliensis, Eumops bonariensis, and Molossus molossus) of the family Molossidae from Argentina using whole viral metagenome analysis. Fecal samples of 47 bats from three semiurban or highly urbanized areas of the province of Santa Fe were investigated. After viral particle enrichment, total RNA was sequenced using the Illumina NextSeq 550 instrument; the reads were assembled into contigs and taxonomically and phylogenetically analyzed. Three novel complete Alphacoronavirus (AlphaCoV) genomes (Tb1-3) and two partial sequences were identified in T. brasiliensis (Tb4-5), and an additional four partial sequences were identified in M. molossus (Mm1-4). Phylogenomic analysis showed that the novel AlphaCoV clustered in two different lineages distinct from the 15 officially recognized AlphaCoV subgenera. Tb2 and Tb3 isolates appeared to be variants of the same virus, probably involved in a persistent infectious cycle within the T. brasiliensis colony. Using recombination analysis, we detected a statistically significant event in Spike gene, which was reinforced by phylogenetic tree incongruence analysis, involving novel Tb1 and AlphaCoVs identified in Eptesicus fuscus (family Vespertilionidae) from the U.S. The putative recombinant region is in the S1 subdomain of the Spike gene, encompassing the potential receptor-binding domain of AlphaCoVs. This study reports the first AlphaCoV genomes in molossids from the Americas and provides new insights into recombination as an important mode of evolution of coronaviruses involved in cross-species transmission. IMPORTANCE This study generated three novel complete AlphaCoV genomes (Tb1, Tb2, and Tb3 isolates) identified in individuals of Tadarida brasiliensis from Argentina, which showed two different evolutionary patterns and are the first to be reported in the family Molossidae in the Americas. The novel Tb1 isolate was found to be involved in a putative recombination event with alphacoronaviruses identified in bats of the genus Eptesicus from the U.S., whereas isolates Tb2 and Tb3 were found in different collection seasons and might be involved in persistent viral infections in the bat colony. These findings contribute to our knowledge of the global diversity of bat coronaviruses in poorly studied species and highlight the different evolutionary aspects of AlphaCoVs circulating in bat populations in Argentina.
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Affiliation(s)
- Agustina Cerri
- Human Virology Group, Rosario Institute of Molecular and Cellular Biology (IBR-CONICET), Rosario, Argentina
| | - Elisa M. Bolatti
- Human Virology Group, Rosario Institute of Molecular and Cellular Biology (IBR-CONICET), Rosario, Argentina
- Virology Area, Faculty of Biochemical and Pharmaceutical Sciences, National University of Rosario, Rosario, Argentina
- Bat Conservation Program of Argentina, San Miguel de Tucumán, Argentina
| | - Tomaz M. Zorec
- Institute of Microbiology and Immunology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Maria E. Montani
- Bat Conservation Program of Argentina, San Miguel de Tucumán, Argentina
- Dr. Ángel Gallardo Provincial Museum of Natural Sciences, Rosario, Argentina
- Argentine Biodiversity Research Institute (PIDBA), Faculty of Natural Sciences, National University of Tucumán, San Miguel de Tucumán, Argentina
| | - Agustina Rimondi
- Institute of Virology and Technological Innovations (INTA/CONICET), Castelar, Argentina
- Robert Koch Institute, Berlin, Germany
| | - Lea Hosnjak
- Institute of Microbiology and Immunology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Pablo E. Casal
- DETx MOL S.A. La Segunda Núcleo Corporate Building, Alvear, Argentina
| | - Violeta Di Domenica
- Human Virology Group, Rosario Institute of Molecular and Cellular Biology (IBR-CONICET), Rosario, Argentina
- Bat Conservation Program of Argentina, San Miguel de Tucumán, Argentina
| | - Ruben M. Barquez
- Bat Conservation Program of Argentina, San Miguel de Tucumán, Argentina
- Argentine Biodiversity Research Institute (PIDBA), Faculty of Natural Sciences, National University of Tucumán, San Miguel de Tucumán, Argentina
| | - Mario Poljak
- Institute of Microbiology and Immunology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - Adriana A. Giri
- Human Virology Group, Rosario Institute of Molecular and Cellular Biology (IBR-CONICET), Rosario, Argentina
- Virology Area, Faculty of Biochemical and Pharmaceutical Sciences, National University of Rosario, Rosario, Argentina
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12
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McBride DS, Garushyants SK, Franks J, Magee AF, Overend SH, Huey D, Williams AM, Faith SA, Kandeil A, Trifkovic S, Miller L, Jeevan T, Patel A, Nolting JM, Tonkovich MJ, Genders JT, Montoney AJ, Kasnyik K, Linder TJ, Bevins SN, Lenoch JB, Chandler JC, DeLiberto TJ, Koonin EV, Suchard MA, Lemey P, Webby RJ, Nelson MI, Bowman AS. Accelerated evolution of SARS-CoV-2 in free-ranging white-tailed deer. Nat Commun 2023; 14:5105. [PMID: 37640694 PMCID: PMC10462754 DOI: 10.1038/s41467-023-40706-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 08/07/2023] [Indexed: 08/31/2023] Open
Abstract
The zoonotic origin of the COVID-19 pandemic virus highlights the need to fill the vast gaps in our knowledge of SARS-CoV-2 ecology and evolution in non-human hosts. Here, we detected that SARS-CoV-2 was introduced from humans into white-tailed deer more than 30 times in Ohio, USA during November 2021-March 2022. Subsequently, deer-to-deer transmission persisted for 2-8 months, disseminating across hundreds of kilometers. Newly developed Bayesian phylogenetic methods quantified how SARS-CoV-2 evolution is not only three-times faster in white-tailed deer compared to the rate observed in humans but also driven by different mutational biases and selection pressures. The long-term effect of this accelerated evolutionary rate remains to be seen as no critical phenotypic changes were observed in our animal models using white-tailed deer origin viruses. Still, SARS-CoV-2 has transmitted in white-tailed deer populations for a relatively short duration, and the risk of future changes may have serious consequences for humans and livestock.
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Affiliation(s)
- Dillon S McBride
- Department of Veterinary Preventive Medicine, The Ohio State University College of Veterinary Medicine, Columbus, OH, USA
| | - Sofya K Garushyants
- Division of Intramural Research, National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD, USA
| | - John Franks
- Department of Infectious Diseases, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Andrew F Magee
- Department of Human Genetics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - Steven H Overend
- Department of Veterinary Preventive Medicine, The Ohio State University College of Veterinary Medicine, Columbus, OH, USA
| | - Devra Huey
- Department of Veterinary Preventive Medicine, The Ohio State University College of Veterinary Medicine, Columbus, OH, USA
| | - Amanda M Williams
- Infectious Diseases Institute, The Ohio State University, Columbus, OH, USA
| | - Seth A Faith
- Infectious Diseases Institute, The Ohio State University, Columbus, OH, USA
| | - Ahmed Kandeil
- Department of Infectious Diseases, St Jude Children's Research Hospital, Memphis, TN, USA
- Center of Scientific Excellence for Influenza Viruses, National Research Centre, Giza, 12622, Egypt
| | - Sanja Trifkovic
- Department of Infectious Diseases, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Lance Miller
- Department of Infectious Diseases, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Trushar Jeevan
- Department of Infectious Diseases, St Jude Children's Research Hospital, Memphis, TN, USA
| | | | - Jacqueline M Nolting
- Department of Veterinary Preventive Medicine, The Ohio State University College of Veterinary Medicine, Columbus, OH, USA
| | | | - J Tyler Genders
- U.S. Department of Agriculture, Animal and Plant Health Inspection Service, Wildlife Services, Columbus, OH, USA
| | - Andrew J Montoney
- U.S. Department of Agriculture, Animal and Plant Health Inspection Service, Wildlife Services, Columbus, OH, USA
| | - Kevin Kasnyik
- Columbus and Franklin County Metro Parks, Westerville, OH, USA
| | - Timothy J Linder
- U.S. Department of Agriculture, Animal and Plant Health Inspection Service, Wildlife Services, National Wildlife Disease Program, Fort Collins, CO, USA
| | - Sarah N Bevins
- U.S. Department of Agriculture, Animal and Plant Health Inspection Service, Wildlife Services, National Wildlife Disease Program, Fort Collins, CO, USA
| | - Julianna B Lenoch
- U.S. Department of Agriculture, Animal and Plant Health Inspection Service, Wildlife Services, National Wildlife Disease Program, Fort Collins, CO, USA
| | - Jeffrey C Chandler
- U.S. Department of Agriculture, Animal and Plant Health Inspection Service, Wildlife Services, Wildlife Disease Diagnostic Laboratory, Fort Collins, CO, USA
| | - Thomas J DeLiberto
- U.S. Department of Agriculture, Animal and Plant Health Inspection Service, Wildlife Services, Fort Collins, CO, USA
| | - Eugene V Koonin
- Division of Intramural Research, National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD, USA
| | - Marc A Suchard
- Department of Human Genetics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
- Department of Biomathematics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
- Department of Biostatistics, Fielding School of Public Health, University of California, Los Angeles, Los Angeles, CA, USA
| | - Philippe Lemey
- Department of Microbiology, Immunology and Transplantation, Rega Institute, KU Leuven, Leuven, Belgium
| | - Richard J Webby
- Department of Infectious Diseases, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Martha I Nelson
- Division of Intramural Research, National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD, USA.
| | - Andrew S Bowman
- Department of Veterinary Preventive Medicine, The Ohio State University College of Veterinary Medicine, Columbus, OH, USA.
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13
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Featherstone A, Brown AC, Chitlapilly Dass S. Understanding how different surfaces and environmental biofilms found in food processing plants affect the spread of COVID-19. PLoS One 2023; 18:e0286659. [PMID: 37285373 PMCID: PMC10246802 DOI: 10.1371/journal.pone.0286659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 05/20/2023] [Indexed: 06/09/2023] Open
Abstract
Meat processing plants have been at the center of the SARS-CoV-2 pandemic, with a recent report citing 90% of US facilities having multiple outbreaks during 2020 and 2021. We explored the potential for biofilms to act as a reservoir in protecting, harboring, and dispersing SARS-CoV-2 throughout the meat processing facility environment. To do this, we used Murine Hepatitis Virus (MHV), as a surrogate for SARS-CoV-2, and meat processing facility drain samples to develop mixed-species biofilms on materials found in meat processing facilities (stainless steel (SS), PVC, and ceramic tiles). After exposure to the biofilm organisms for five days post-inoculation at 7°C we conducted quantitative PCR (qPCR) and plaque assays to determine whether MHV could remain both detectable and viable. Our data provides evidence that coronaviruses can remain viable on all the surfaces tested and are also able to integrate within an environmental biofilm. Although a portion of MHV was able to remain infectious after incubation with the environmental biofilm, a large reduction in plaque numbers was identified when compared with the viral inoculum incubated without biofilm on all test surfaces, which ranged from 6.45-9.27-fold higher. Interestingly, we observed a 2-fold increase in the virus-environmental biofilm biovolume when compared to biofilm without virus, indicating that the biofilm bacteria both detected and reacted to the virus. These results indicate a complex virus-environmental biofilm interaction. Although we observed better survival of MHV on a variety of surfaces commonly found in meat processing plants alone than with the biofilm, there is the potential for biofilms to protect virions from disinfecting agents, which has implications for the potential of SARS-CoV-2 prevalence within the meat processing plant environment. Also given the highly infectious nature of SARS-CoV-2, particularly for some of the variant strains such as omicron, having even a residual level of virus present represents a serious health hazard. The increase in biofilm biovolume in response to virus is also a concern for food safety due to the potential of the same being seen with organisms associated with food poisoning and food spoilage.
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Affiliation(s)
- Austin Featherstone
- Department of Animal Science, Texas A&M University, College Station, Texas, United States of America
| | - Amanda Claire Brown
- Department of Animal Science, Texas A&M University, College Station, Texas, United States of America
| | - Sapna Chitlapilly Dass
- Department of Animal Science, Texas A&M University, College Station, Texas, United States of America
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14
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Farkas CB, Dudás G, Babinszky GC, Földi L. Analysis of the Virus SARS-CoV-2 as a Potential Bioweapon in Light of International Literature. Mil Med 2023; 188:531-540. [PMID: 35569934 PMCID: PMC9384074 DOI: 10.1093/milmed/usac123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 03/06/2022] [Accepted: 04/18/2022] [Indexed: 11/25/2022] Open
Abstract
INTRODUCTION As of early 2022, the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic still represents a worldwide medical emergency situation. The ongoing vaccination programs can slow down the spread of the virus; however, from time to time, the newly emerging variants of concern and antivaccination movements carry the possibility for the disease to remain in our daily lives. After the appearance of SARS-CoV-2, there was scholarly debate whether the virus was of natural origin, or it emerged from a laboratory, some even thinking the agent's potential biological weapon properties suggest the latter scenario. Later, the bioweapon theory was dismissed by the majority of experts, but the question remains that despite its natural origin, how potent a biological weapon the SARS-CoV-2 virus can become over time. MATERIALS AND METHODS Based on 12 bioweapon threat assessment criteria already published in 2018, we performed a literature search and review, focusing on relevant potential bioweapon properties of the virus SARS-CoV-2. Instead of utilizing a survey among experts, we tried to qualify and quantify characteristics according to the available data found in peer-reviewed papers. We also identified other key elements not mentioned in the original 12 bioweapon criteria, which can play an important role in assessing future biological weapons. RESULTS According to the international literature we analyzed, SARS-CoV-2 is a moderately infectious agent (ID50 estimated between 100 and 1,000), with high infection-to-disease ratio (35%-45% rate of asymptomatic infected) and medium incubation period (1-34 days, mean 6-7 days). Its morbidity and mortality rate can be categorized as medium (high morbidity rate with significant mortality rate). It can be easily produced in large quantities, has high aerosol stability, and has moderate environmental stability. Based on laboratory experiments and statistical model analysis, it can form and is contagious with droplet nuclei, and with spray technique utilization, it could be weaponized effectively. Several prophylactic countermeasures are available in the form of vaccines; however, specific therapeutic options are much more limited. In connection with the original assessment criteria, the SARS-CoV-2 only achieved a "0" score on the ease of detection because of readily available, relatively sensitive, and specific rapid antigen tests. Based on the pandemic experience, we also propose three new assessment categories: one that establishes a mean to measure the necessary quarantine restrictions related to a biological agent, another one that can represent the personal protective equipment required to work safely with a particular agent, and a third one that quantifies the overall disruptive capability, based on previous real-life experiences. These factors could further specify the threat level related to potential biological weapons. CONCLUSIONS Our results show that the virus can become a potent bioweapon candidate in the future, achieving a total score of 24 out of 36 on the original 12 criteria. The SARS-CoV-2 has already proven its pandemic generating potential and, despite worldwide efforts, still remains an imminent threat. In order to be prepared for the future possibility of the virus arising as a bioweapon, we must remain cautious and take the necessary countermeasures.
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Affiliation(s)
- Csaba Bence Farkas
- Department of Pathology, Medical Centre, Hungarian Defence Forces, Budapest 1134, Hungary
| | - Gábor Dudás
- Mobile Biological Laboratory, Medical Centre, Hungarian Defence Forces, Budapest 1134, Hungary
| | - Gergely Csaba Babinszky
- Mobile Biological Laboratory, Medical Centre, Hungarian Defence Forces, Budapest 1134, Hungary
| | - László Földi
- Department of Operations and Support, Faculty of Military Sciences and Officer Training, University of Public Service, Budapest 1101, Hungary
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15
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McBride D, Garushyants S, Franks J, Magee A, Overend S, Huey D, Williams A, Faith S, Kandeil A, Trifkovic S, Miller L, Jeevan T, Patel A, Nolting J, Tonkovich M, Genders JT, Montoney A, Kasnyik K, Linder T, Bevins S, Lenoch J, Chandler J, DeLiberto T, Koonin E, Suchard M, Lemey P, Webby R, Nelson M, Bowman A. Accelerated evolution of SARS-CoV-2 in free-ranging white-tailed deer. RESEARCH SQUARE 2023:rs.3.rs-2574993. [PMID: 36824718 PMCID: PMC9949239 DOI: 10.21203/rs.3.rs-2574993/v1] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Abstract
While SARS-CoV-2 has sporadically infected a wide range of animal species worldwide1, the virus has been repeatedly and frequently detected in white-tailed deer in North America2â€"7. The zoonotic origins of this pandemic virus highlight the need to fill the vast gaps in our knowledge of SARS-CoV-2 ecology and evolution in non-human hosts. Here, we detected SARS-CoV-2 was introduced from humans into white-tailed deer more than 30 times in Ohio, USA during November 2021-March 2022. Subsequently, deer-to-deer transmission persisted for 2-8 months, which disseminated across hundreds of kilometers. We discovered that alpha and delta variants evolved in white-tailed deer at three-times the rate observed in humans. Newly developed Bayesian phylogenetic methods quantified how SARS-CoV-2 evolution is not only faster in white-tailed deer but driven by different mutational biases and selection pressures. White-tailed deer are not just short-term recipients of human viral diversity but serve as reservoirs for alpha and other variants to evolve in new directions after going extinct in humans. The long-term effect of this accelerated evolutionary rate remains to be seen as no critical phenotypic changes were observed in our animal model experiments using viruses isolated from white-tailed deer. Still, SARS-CoV-2 viruses have transmitted in white-tailed deer populations for a relatively short duration, and the risk of future changes may have serious consequences for humans and livestock.
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Affiliation(s)
- Dillon McBride
- Department of Veterinary Preventive Medicine, The Ohio State University College of Veterinary Medicine, Columbus, OH, USA
| | - Sofya Garushyants
- Division of Intramural Research, National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD, USA
| | - John Franks
- Department of Infectious Diseases, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Andrew Magee
- Department of Human Genetics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - Steven Overend
- Department of Veterinary Preventive Medicine, The Ohio State University College of Veterinary Medicine, Columbus, OH, USA
| | - Devra Huey
- Department of Veterinary Preventive Medicine, The Ohio State University College of Veterinary Medicine, Columbus, OH, USA
| | - Amanda Williams
- Infectious Disease Institute, The Ohio State University, Columbus, OH, USA
| | - Seth Faith
- Infectious Disease Institute, The Ohio State University, Columbus, OH, USA
| | - Ahmed Kandeil
- Department of Infectious Diseases, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Sanja Trifkovic
- Department of Infectious Diseases, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Lance Miller
- Department of Infectious Diseases, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Trushar Jeevan
- Department of Infectious Diseases, St Jude Children's Research Hospital, Memphis, TN, USA
| | | | - Jacqueline Nolting
- Department of Veterinary Preventive Medicine, The Ohio State University College of Veterinary Medicine, Columbus, OH, USA
| | - Michael Tonkovich
- Ohio Department of Natural Resources, Division of Wildlife, Athens, OH, USA
| | - J Tyler Genders
- U.S. Department of Agriculture, Animal and Plant Health Inspection Service, Wildlife Services, Columbus, OH, USA
| | | | | | - Timothy Linder
- U.S. Department of Agriculture, Animal and Plant Health Inspection Service, Wildlife Services, National Wildlife Disease Program, Fort Collins, CO, USA
| | - Sarah Bevins
- U.S. Department of Agriculture, Animal and Plant Health Inspection Service, Wildlife Services, National Wildlife Disease Program, Fort Collins, CO, USA
| | - Julianna Lenoch
- U.S. Department of Agriculture, Animal and Plant Health Inspection Service, Wildlife Services, National Wildlife Disease Program, Fort Collins, CO, USA
| | - Jeffrey Chandler
- U.S. Department of Agriculture, Animal and Plant Health Inspection Service, Wildlife Services, Wildlife Disease Diagnostic Laboratory, Fort Collins, CO, USA
| | - Thomas DeLiberto
- U.S. Department of Agriculture, Animal and Plant Health Inspection Service, Wildlife Services, Fort Collins, CO, USA
| | - Eugene Koonin
- Division of Intramural Research, National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD, USA
| | - Marc Suchard
- Department of Human Genetics, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - Philippe Lemey
- Department of Microbiology, Immunology and Transplantation, Rega Institute, KU Leuven, Leuven, Belgium
| | - Richard Webby
- Department of Infectious Diseases, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Martha Nelson
- Division of Intramural Research, National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD, USA
| | - Andrew Bowman
- Department of Veterinary Preventive Medicine, The Ohio State University College of Veterinary Medicine, Columbus, OH, USA
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16
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Liew AY, Carpenter A, Moore TA, Wallace RM, Hamer SA, Hamer GL, Fischer RSB, Zecca IB, Davila E, Auckland LD, Rooney JA, Killian ML, Tell RM, Rekant SI, Burrell SD, Ghai RR, Behravesh CB. Clinical and epidemiologic features of SARS-CoV-2 in dogs and cats compiled through national surveillance in the United States. J Am Vet Med Assoc 2023; 261:480-489. [PMID: 36595371 PMCID: PMC10038921 DOI: 10.2460/javma.22.08.0375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
OBJECTIVE To characterize clinical and epidemiologic features of SARS-CoV-2 in companion animals detected through both passive and active surveillance in the US. ANIMALS 204 companion animals (109 cats, 95 dogs) across 33 states with confirmed SARS-CoV-2 infections between March 2020 and December 2021. PROCEDURES Public health officials, animal health officials, and academic researchers investigating zoonotic SARS-CoV-2 transmission events reported clinical, laboratory, and epidemiologic information through a standardized One Health surveillance process developed by the CDC and partners. RESULTS Among dogs and cats identified through passive surveillance, 94% (n = 87) had reported exposure to a person with COVID-19 before infection. Clinical signs of illness were present in 74% of pets identified through passive surveillance and 27% of pets identified through active surveillance. Duration of illness in pets averaged 15 days in cats and 12 days in dogs. The average time between human and pet onset of illness was 10 days. Viral nucleic acid was first detected at 3 days after exposure in both cats and dogs. Antibodies were detected starting 5 days after exposure, and titers were highest at 9 days in cats and 14 days in dogs. CLINICAL RELEVANCE Results of the present study supported that cats and dogs primarily become infected with SARS-CoV-2 following exposure to a person with COVID-19, most often their owners. Case investigation and surveillance that include both people and animals are necessary to understand transmission dynamics and viral evolution of zoonotic diseases like SARS-CoV-2.
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Affiliation(s)
| | | | | | | | - Sarah A Hamer
- 2Department of Veterinary Integrative Biosciences, Texas A&M University, College Station, TX
| | - Gabriel L Hamer
- 3Department of Entomology, Texas A&M University, College Station, TX
| | | | - Italo B Zecca
- 1CDC, Atlanta, GA
- 2Department of Veterinary Integrative Biosciences, Texas A&M University, College Station, TX
| | - Edward Davila
- 2Department of Veterinary Integrative Biosciences, Texas A&M University, College Station, TX
| | - Lisa D Auckland
- 2Department of Veterinary Integrative Biosciences, Texas A&M University, College Station, TX
| | | | - Mary Lea Killian
- 6National Veterinary Services Laboratories, APHIS, USDA, Ames, IA
| | - Rachel M Tell
- 6National Veterinary Services Laboratories, APHIS, USDA, Ames, IA
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17
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Al-Eitan L, Sendyani S, Alnimri M. Applications of the One Health concept: Current Status in the Middle East. JOURNAL OF BIOSAFETY AND BIOSECURITY 2023. [DOI: 10.1016/j.jobb.2023.01.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
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18
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Designing for COVID-2x: Reflecting on Future-Proofing Human Habitation for the Inevitable Next Pandemic. BUILDINGS 2022. [DOI: 10.3390/buildings12070976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The COVID-19 pandemic of 2020–2022 has revealed the vulnerability of modern society to a highly contagious airborne virus. Many spaces in the urban and built environment designed during the late twentieth and early twenty-first century are ill-suited to maintain the level of social distancing required to reduce the probability of virus transmission. Enclosed spaces—in particular, communal circulation spaces such as corridors, elevators and lobbies—have proven loci of transmission, together with circulating reticulated air and lack of proper ventilation. While urban planning needs to incorporate the lessons learnt during COVID-19 in order to future-proof our communities through the provision of well-designed greenspaces, the main burden will fall on architects, who will play an instrumental role in designing buildings that are fit-for purpose. This conceptual paper reviews the status quo and discusses a number of strategies to future-proof human habitation for the inevitable next pandemic.
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19
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Fedorov V, Kholina E, Khruschev S, Kovalenko I, Rubin A, Strakhovskaya M. Electrostatic Map of the SARS-CoV-2 Virion Specifies Binding Sites of the Antiviral Cationic Photosensitizer. Int J Mol Sci 2022; 23:7304. [PMID: 35806316 PMCID: PMC9266743 DOI: 10.3390/ijms23137304] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Revised: 06/26/2022] [Accepted: 06/28/2022] [Indexed: 02/04/2023] Open
Abstract
Electrostatics is an important part of virus life. Understanding the detailed distribution of charges over the surface of a virus is important to predict its interactions with host cells, antibodies, drugs, and different materials. Using a coarse-grained model of the entire viral envelope developed by D. Korkin and S.-J. Marrink's scientific groups, we created an electrostatic map of the external surface of SARS-CoV-2 and found a highly heterogeneous distribution of the electrostatic potential field of the viral envelope. Numerous negative patches originate mainly from negatively charged lipid domains in the viral membrane and negatively charged areas on the "stalks" of the spike (S) proteins. Membrane (M) and envelope (E) proteins with the total positive charge tend to colocalize with the negatively charged lipids. In the E protein pentamer exposed to the outer surface, negatively charged glutamate residues and surrounding lipids form a negative electrostatic potential ring around the channel entrance. We simulated the interaction of the antiviral octacationic photosensitizer octakis(cholinyl)zinc phthalocyanine with the surface structures of the entire model virion using the Brownian dynamics computational method implemented in ProKSim software (version r661). All mentioned negatively charged envelope components attracted the photosensitizer molecules and are thus potential targets for reactive oxygen generated in photosensitized reactions.
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Affiliation(s)
- Vladimir Fedorov
- Faculty of Biology, Lomonosov Moscow State University, 119234 Moscow, Russia; (E.K.); (S.K.); (I.K.); (A.R.); (M.S.)
| | - Ekaterina Kholina
- Faculty of Biology, Lomonosov Moscow State University, 119234 Moscow, Russia; (E.K.); (S.K.); (I.K.); (A.R.); (M.S.)
| | - Sergei Khruschev
- Faculty of Biology, Lomonosov Moscow State University, 119234 Moscow, Russia; (E.K.); (S.K.); (I.K.); (A.R.); (M.S.)
| | - Ilya Kovalenko
- Faculty of Biology, Lomonosov Moscow State University, 119234 Moscow, Russia; (E.K.); (S.K.); (I.K.); (A.R.); (M.S.)
- Federal Scientific and Clinical Center of Specialized Types of Medical Care and Medical Technologies, Federal Medical and Biological Agency of Russia, 115682 Moscow, Russia
| | - Andrew Rubin
- Faculty of Biology, Lomonosov Moscow State University, 119234 Moscow, Russia; (E.K.); (S.K.); (I.K.); (A.R.); (M.S.)
| | - Marina Strakhovskaya
- Faculty of Biology, Lomonosov Moscow State University, 119234 Moscow, Russia; (E.K.); (S.K.); (I.K.); (A.R.); (M.S.)
- Federal Scientific and Clinical Center of Specialized Types of Medical Care and Medical Technologies, Federal Medical and Biological Agency of Russia, 115682 Moscow, Russia
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20
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Varela K, Brown JA, Lipton B, Dunn J, Stanek D, Behravesh CB, Chapman H, Conger TH, Vanover T, Edling T, Holzbauer S, Lennox AM, Lindquist S, Loerzel S, Mehlenbacher S, Mitchell M, Murphy M, Olsen CW, Yager CM. A Review of Zoonotic Disease Threats to Pet Owners: A Compendium of Measures to Prevent Zoonotic Diseases Associated with Non-Traditional Pets: Rodents and Other Small Mammals, Reptiles, Amphibians, Backyard Poultry, and Other Selected Animals. Vector Borne Zoonotic Dis 2022; 22:303-360. [PMID: 35724316 PMCID: PMC9248330 DOI: 10.1089/vbz.2022.0022] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Affiliation(s)
- Kate Varela
- One Health Office, Centers for Disease Control and Prevention, Atlanta, Georgia, USA
| | - Jennifer A. Brown
- National Association of State Public Health Veterinarians
- Indiana Department of Health
| | - Beth Lipton
- National Association of State Public Health Veterinarians
- Seattle & King County Public Health
| | - John Dunn
- National Association of State Public Health Veterinarians
- Tennessee Department of Health
| | - Danielle Stanek
- National Association of State Public Health Veterinarians
- Florida Department of Health
| | | | - Helena Chapman
- Division of Infectious Diseases and Global Medicine, University of Florida College of Medicine
- American Association for the Advancement of Science at NASA Applied Sciences
| | - Terry H. Conger
- U.S. Department of Agriculture Animal (USDA) and Plant Health Inspection Service (APHIS) Veterinary Services
| | | | | | - Stacy Holzbauer
- Minnesota Department of Health
- CDC Preparedness and Response Career Epidemiology Field Officer Program
| | | | | | | | | | - Mark Mitchell
- Louisiana State University School of Veterinary Medicine, Veterinary Clinical Sciences
| | - Michael Murphy
- Food and Drug Administration Center for Veterinary Medicine
| | - Christopher W. Olsen
- AVMA Council on Public Health
- Department of Pathobiological Sciences, University of Wisconsin-Madison School of Veterinary Medicine
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21
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Hurlburt NK, Homad LJ, Sinha I, Jennewein MF, MacCamy AJ, Wan YH, Boonyaratanakornkit J, Sholukh AM, Jackson AM, Zhou P, Burton DR, Andrabi R, Ozorowski G, Ward AB, Stamatatos L, Pancera M, McGuire AT. Structural definition of a pan-sarbecovirus neutralizing epitope on the spike S2 subunit. Commun Biol 2022; 5:342. [PMID: 35411021 PMCID: PMC9001700 DOI: 10.1038/s42003-022-03262-7] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Accepted: 03/11/2022] [Indexed: 12/11/2022] Open
Abstract
Three betacoronaviruses have crossed the species barrier and established human-to-human transmission causing significant morbidity and mortality in the past 20 years. The most current and widespread of these is SARS-CoV-2. The identification of CoVs with zoonotic potential in animal reservoirs suggests that additional outbreaks could occur. Monoclonal antibodies targeting conserved neutralizing epitopes on diverse CoVs can form the basis for prophylaxis and therapeutic treatments and enable the design of vaccines aimed at providing pan-CoV protection. We previously identified a neutralizing monoclonal antibody, CV3-25 that binds to the SARS-CoV-2 spike, neutralizes the SARS-CoV-2 Beta variant comparably to the ancestral Wuhan Hu-1 strain, cross neutralizes SARS-CoV-1 and binds to recombinant proteins derived from the spike-ectodomains of HCoV-OC43 and HCoV-HKU1. Here, we show that the neutralizing activity of CV3-25 is maintained against the Alpha, Delta, Gamma and Omicron variants of concern as well as a SARS-CoV-like bat coronavirus with zoonotic potential by binding to a conserved linear peptide in the stem-helix region. Negative stain electron microscopy and a 1.74 Å crystal structure of a CV3-25/peptide complex demonstrates that CV3-25 binds to the base of the stem helix at the HR2 boundary to an epitope that is distinct from other stem-helix directed neutralizing mAbs.
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Affiliation(s)
- Nicholas K Hurlburt
- Fred Hutchinson Cancer Research Center, Vaccine and Infectious Disease Division, Seattle, WA, USA
| | - Leah J Homad
- Fred Hutchinson Cancer Research Center, Vaccine and Infectious Disease Division, Seattle, WA, USA
| | - Irika Sinha
- Fred Hutchinson Cancer Research Center, Vaccine and Infectious Disease Division, Seattle, WA, USA
| | - Madeleine F Jennewein
- Fred Hutchinson Cancer Research Center, Vaccine and Infectious Disease Division, Seattle, WA, USA
| | - Anna J MacCamy
- Fred Hutchinson Cancer Research Center, Vaccine and Infectious Disease Division, Seattle, WA, USA
| | - Yu-Hsin Wan
- Fred Hutchinson Cancer Research Center, Vaccine and Infectious Disease Division, Seattle, WA, USA
| | - Jim Boonyaratanakornkit
- Fred Hutchinson Cancer Research Center, Vaccine and Infectious Disease Division, Seattle, WA, USA
| | - Anton M Sholukh
- Fred Hutchinson Cancer Research Center, Vaccine and Infectious Disease Division, Seattle, WA, USA
| | - Abigail M Jackson
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA, USA
| | - Panpan Zhou
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, USA
| | - Dennis R Burton
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, USA
- Ragon Institute of MGH, MIT and Harvard, Cambridge, MA, USA
| | - Raiees Andrabi
- Department of Immunology and Microbiology, The Scripps Research Institute, La Jolla, CA, USA
| | - Gabriel Ozorowski
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA, USA
| | - Andrew B Ward
- Department of Integrative Structural and Computational Biology, The Scripps Research Institute, La Jolla, CA, USA
| | - Leonidas Stamatatos
- Fred Hutchinson Cancer Research Center, Vaccine and Infectious Disease Division, Seattle, WA, USA.
- Department of Global Health, University of Washington, Seattle, WA, USA.
| | - Marie Pancera
- Fred Hutchinson Cancer Research Center, Vaccine and Infectious Disease Division, Seattle, WA, USA.
- Vaccine Research Center, NAID, NIH, Bethesda, MD, USA.
| | - Andrew T McGuire
- Fred Hutchinson Cancer Research Center, Vaccine and Infectious Disease Division, Seattle, WA, USA.
- Department of Global Health, University of Washington, Seattle, WA, USA.
- Department of Laboratory Medicine and Pathology, University of Washington, Seattle, WA, USA.
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22
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Holding M, Otter AD, Dowall S, Takumi K, Hicks B, Coleman T, Hemingway G, Royds M, Findlay-Wilson S, Curran-French M, Vipond R, Sprong H, Hewson R. Screening of wild deer populations for exposure to SARS-CoV-2 in the United Kingdom, 2020-2021. Transbound Emerg Dis 2022; 69:e3244-e3249. [PMID: 35338581 PMCID: PMC9115462 DOI: 10.1111/tbed.14534] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 03/07/2022] [Accepted: 03/21/2022] [Indexed: 11/30/2022]
Abstract
Following findings in Northern America of SARS‐CoV‐2 infections in white‐tailed deer, there is concern of similar infections in European deer and their potential as reservoirs of SARS‐CoV‐2 including opportunities for the emergence of new variants. UK deer sera were collected in 2020–2021 from 6 species and a hybrid with 1748 tested using anti‐spike and anti‐nucleocapsid serology assays. No samples were positive on both assays nor by surrogate neutralization testing. There is no evidence that spill‐over infections of SARS‐CoV‐2 occurred from the human population to UK deer or that SARS‐CoV‐2 has been circulating in UK deer (over the study period). Although it cannot be ruled out, study results indicate that spill‐over infections followed by circulation of SARS‐CoV‐2 to the most common European deer species is small.
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Affiliation(s)
- Maya Holding
- Virology and Pathogenesis group, UK Health Security Agency, Porton Down, United Kingdom.,National Institute for HealthS Research Health Protection Research Unit in Emerging and Zoonotic Infections, Liverpool, United Kingdom
| | - Ashley David Otter
- SARS-CoV-2 Serosurveillance laboratory, UK Health Security Agency, Porton Down, United Kingdom
| | - Stuart Dowall
- Virology and Pathogenesis group, UK Health Security Agency, Porton Down, United Kingdom
| | - Katsuhisa Takumi
- Centre for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, the Netherlands
| | - Bethany Hicks
- SARS-CoV-2 Serosurveillance laboratory, UK Health Security Agency, Porton Down, United Kingdom
| | - Tom Coleman
- SARS-CoV-2 Serosurveillance laboratory, UK Health Security Agency, Porton Down, United Kingdom
| | - Georgia Hemingway
- SARS-CoV-2 Serosurveillance laboratory, UK Health Security Agency, Porton Down, United Kingdom
| | - Matthew Royds
- SARS-CoV-2 Serosurveillance laboratory, UK Health Security Agency, Porton Down, United Kingdom
| | | | - Mollie Curran-French
- Virology and Pathogenesis group, UK Health Security Agency, Porton Down, United Kingdom
| | - Richard Vipond
- Virology and Pathogenesis group, UK Health Security Agency, Porton Down, United Kingdom.,National Institute for HealthS Research Health Protection Research Unit in Emerging and Zoonotic Infections, Liverpool, United Kingdom
| | - Hein Sprong
- Centre for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, the Netherlands
| | - Roger Hewson
- Virology and Pathogenesis group, UK Health Security Agency, Porton Down, United Kingdom.,National Institute for HealthS Research Health Protection Research Unit in Emerging and Zoonotic Infections, Liverpool, United Kingdom.,London School of Hygiene and Tropical Medicine, Faculty of Infectious and Tropical Diseases, Keppel Street, London, WC1E 7HT, United Kingdom
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23
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Development of an in vitro model for animal species susceptibility to SARS-CoV-2 replication based on expression of ACE2 and TMPRSS2 in avian cells. Virology 2022; 569:1-12. [PMID: 35217403 PMCID: PMC8837912 DOI: 10.1016/j.virol.2022.01.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 01/26/2022] [Accepted: 01/26/2022] [Indexed: 01/06/2023]
Abstract
The SARS-CoV-2 (SARS-CoV-2) virus has caused a worldwide pandemic because of the virus's ability to transmit efficiently human-to-human. A key determinant of infection is the attachment of the viral spike protein to the host receptor angiotensin-converting enzyme 2 (ACE2). Because of the presumed zoonotic origin of SARS-CoV-2, there is no practical way to assess the susceptibility of every species to SARS-CoV-2 by direct challenge studies. In an effort to have a better predictive model of animal host susceptibility to SARS-CoV-2, we expressed the ACE2 and/or transmembrane serine protease 2 (TMPRSS2) genes from humans and other animal species in the avian fibroblast cell line, DF1, that is not permissive to infection. We demonstrated that expression of both human ACE2 and TMPRSS2 genes is necessary to support SARS-CoV-2 infection and replication in DF1 and a non-permissive sub-lineage of MDCK cells. Titers of SARS-CoV-2 in these cell lines were comparable to those observed in control Vero cells. To further test the model, we developed seven additional transgenic cell lines expressing the ACE2 and TMPRSS2 derived from Felis catus (cat), Equus caballus (horse), Sus domesticus (pig), Capra hircus (goat), Mesocricetus auratus (Golden hamster), Myotis lucifugus (Little Brown bat) and Hipposideros armiger (Great Roundleaf bat) in DF1 cells. Results demonstrate permissive replication of SARS-CoV-2 in cat, Golden hamster, and goat species, but not pig or horse, which correlated with the results of reported challenge studies. Cells expressing genes from either bat species tested demonstrated temporal replication of SARS-CoV-2 that peaked early and was not sustained. The development of this cell culture model allows for more efficient testing of the potential susceptibility of many different animal species for SARS-CoV-2 and emerging variant viruses.
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24
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Marques-Pereira C, Pires M, Moreira IS. Discovery of Virus-Host interactions using bioinformatic tools. Methods Cell Biol 2022; 169:169-198. [DOI: 10.1016/bs.mcb.2022.02.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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25
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Leung KKY, Hon KL. Lessons from Animal Culling during Human Pandemics: Is Vaccination a Viable Option for Animals? Curr Pediatr Rev 2022; 19:2-4. [PMID: 35297351 DOI: 10.2174/1573396318666220316124155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Revised: 01/03/2022] [Accepted: 01/10/2022] [Indexed: 01/28/2023]
Abstract
Animal reservoirs for respiratory and coronavirus have been major health concerns. Zoonosis due to coronavirus involves bats, civet cat, camels, pangolins and now the minks. In the same vein, influenza pandemics occur when a new strain of the influenza virus is transmitted to humans from another animal species. Species thought to be of particular importance in the emergence of new human influenza strains are swine and poultry and these hosts are often culled during epidemics or pandemics. It is often too easy for humans to forget that millions of animals can die or be slaughtered in human pandemics, including the recent cull of minks in Europe and chickens in Asia. To co-exist with nature in a sustainable way, we must respect our animals by ensuring their welfare and immunizing them against pathogens where possible. Zoonotic diseases are here to stay and will continue to cause major epidemics and pandemics. The other side of the coin is that reverse zoonosis can also have devastating effects on animal populations if pandemics are not effectively prevented and controlled. Unfortunately, none of the COVID-19 vaccines in production are set aside to save the minks. We advocate that animals be immunized to save human lives.
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Affiliation(s)
- Karen K Y Leung
- Department of Paediatrics and Adolescent Medicine, Hong Kong Children's Hospital, Hong Kong SAR, China
| | - Kam Lun Hon
- Department of Paediatrics and Adolescent Medicine, Hong Kong Children's Hospital, Hong Kong SAR, China
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26
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Sobsey MD. Absence of virological and epidemiological evidence that SARS-CoV-2 poses COVID-19 risks from environmental fecal waste, wastewater and water exposures. JOURNAL OF WATER AND HEALTH 2022; 20:126-138. [PMID: 35100160 DOI: 10.2166/wh.2021.182] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
This review considers evidence for infectious severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) presence and COVID-19 infection and illness resulting from exposure to environmental fecal wastes and waters. There is no documented evidence that (1) infectious, replication-capable SARS-CoV-2 is present in environmental fecal wastes, wastewater or water, and (2) well-documented epidemiological evidence of COVID-19 infection, illness or death has never been reported for these exposure media. COVID-19 is transmitted mainly by direct personal contact and respiratory secretions as airborne droplets and aerosols, and less so by respiratory-secreted fomites via contact (touch) exposures. While SARS-CoV-2 often infects the gastrointestinal tract of infected people, its presence as infectious, replication-capable virus in environmental fecal wastes and waters has never been documented. There is only rare and unquantified evidence of infectious, replication-capable SARS-CoV-2 in recently shed feces of COVID-19 hospital patients. The human infectivity dose-response relationship of SARS-CoV-2 is unknown, thereby making it impossible to estimate evidence-based quantitative health effects assessments by quantitative microbial risk assessment methods requiring both known exposure assessment and health effects assessment data. The World Health Organization, Water Environment Federation, US Centers for Disease Control and Prevention and others do not consider environmental fecal wastes and waters as sources of exposure to infectious SARS-CoV-2 causing COVID-19 infection and illness.
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Affiliation(s)
- Mark D Sobsey
- Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC 27599-7431, USA E-mail:
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27
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Carpenter A, Ghai RR, Gary J, Ritter JM, Carvallo FR, Diel DG, Martins M, Murphy J, Schroeder B, Brightbill K, Tewari D, Boger L, Gabel J, Cobb R, Hennebelle J, Stanton JB, McCullough K, Mosley YYC, Naikare HK, Radcliffe R, Parr B, Balsamo G, Robbins B, Smith D, Slavinski S, Williams C, Meckes D, Jones D, Frazier T, Steury K, Rooney J, Torchetti M, Wendling N, Currie D, Behravesh CB, Wallace RM. Determining the role of natural SARS-CoV-2 infection in the death of domestic pets: 10 cases (2020-2021). J Am Vet Med Assoc 2021; 259:1032-1039. [PMID: 34647475 PMCID: PMC10627034 DOI: 10.2460/javma.259.9.1032] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
OBJECTIVE To establish a pathoepidemiological model to evaluate the role of SARS-CoV-2 infection in the first 10 companion animals that died while infected with SARS-CoV-2 in the US. ANIMALS 10 cats and dogs that tested positive for SARS-CoV-2 and died or were euthanized in the US between March 2020 and January 2021. PROCEDURES A standardized algorithm was developed to direct case investigations, determine the necessity of certain diagnostic procedures, and evaluate the role, if any, that SARS-CoV-2 infection played in the animals' course of disease and death. Using clinical and diagnostic information collected by state animal health officials, state public health veterinarians, and other state and local partners, this algorithm was applied to each animal case. RESULTS SARS-CoV-2 was an incidental finding in 8 animals, was suspected to have contributed to the severity of clinical signs leading to euthanasia in 1 dog, and was the primary reason for death for 1 cat. CONCLUSIONS AND CLINICAL RELEVANCE This report provides the global community with a standardized process for directing case investigations, determining the necessity of certain diagnostic procedures, and determining the clinical significance of SARS-CoV-2 infections in animals with fatal outcomes and provides evidence that SARS-CoV-2 can, in rare circumstances, cause or contribute to death in pets.
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28
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Do HQ, Nguyen VG, Chung CU, Jeon YS, Shin S, Jang KC, Pham LBH, Kong A, Kim CU, Park YH, Park BK, Chung HC. Genomic Characterization of a Novel Alphacoronavirus Isolated from Bats, Korea, 2020. Viruses 2021; 13:v13102041. [PMID: 34696471 PMCID: PMC8540747 DOI: 10.3390/v13102041] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 10/04/2021] [Accepted: 10/05/2021] [Indexed: 12/19/2022] Open
Abstract
Coronavirus, an important zoonotic disease, raises concerns of future pandemics. The bat is considered a source of noticeable viruses resulting in human and livestock infections, especially the coronavirus. Therefore, surveillance and genetic analysis of coronaviruses in bats are essential in order to prevent the risk of future diseases. In this study, the genome of HCQD-2020, a novel alphacoronavirus detected in a bat (Eptesicus serotinus), was assembled and described using next-generation sequencing and bioinformatics analysis. The comparison of the whole-genome sequence and the conserved amino acid sequence of replicated proteins revealed that the new strain was distantly related with other known species in the Alphacoronavirus genus. Phylogenetic construction indicated that this strain formed a separated branch with other species, suggesting a new species of Alphacoronavirus. Additionally, in silico prediction also revealed the risk of cross-species infection of this strain, especially in the order Artiodactyla. In summary, this study provided the genetic characteristics of a possible new species belonging to Alphacoronavirus.
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Affiliation(s)
- Hai-Quynh Do
- Virology Lab, Department of Veterinary Medicine, College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul 08826, Korea;
| | - Van-Giap Nguyen
- Department of Veterinary Microbiology and Infectious Diseases, Faculty of Veterinary Medicine, Vietnam National University of Agriculture, Hanoi 100000, Vietnam;
| | - Chul-Un Chung
- Department of Life Science, Dongguk University, Gyeongju 38066, Korea;
- Correspondence: (C.-U.C.); (B.-K.P.); (H.-C.C.); Tel.: +82-2-880-1255 (C.-U.C., B.-K.P. & H.-C.C.); Fax: +82-2-885-0263 (C.-U.C., B.-K.P. & H.-C.C.)
| | - Yong-Shin Jeon
- Department of Life Science, Dongguk University, Gyeongju 38066, Korea;
| | - Sook Shin
- Noah Biotech Research Unit, Noah Biotech Co. Ltd, Suwon 16612, Korea; (S.S.); (K.-C.J.); (Y.-H.P.)
| | - Kuem-Chan Jang
- Noah Biotech Research Unit, Noah Biotech Co. Ltd, Suwon 16612, Korea; (S.S.); (K.-C.J.); (Y.-H.P.)
| | - Le Bich Hang Pham
- Institute of Genome Research, Vietnam Academy of Science and Technology, Hanoi 100000, Vietnam;
| | - Aeri Kong
- Department of Medical Science, University of California, Los Angeles, CA 90095, USA;
| | - Cheong-Ung Kim
- Department of Veterinary Medicine Microbology Lab, College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul 08826, Korea;
| | - Yong-Ho Park
- Noah Biotech Research Unit, Noah Biotech Co. Ltd, Suwon 16612, Korea; (S.S.); (K.-C.J.); (Y.-H.P.)
| | - Bong-Kyun Park
- Virology Lab, Department of Veterinary Medicine, College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul 08826, Korea;
- Correspondence: (C.-U.C.); (B.-K.P.); (H.-C.C.); Tel.: +82-2-880-1255 (C.-U.C., B.-K.P. & H.-C.C.); Fax: +82-2-885-0263 (C.-U.C., B.-K.P. & H.-C.C.)
| | - Hee-Chun Chung
- Virology Lab, Department of Veterinary Medicine, College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul 08826, Korea;
- Correspondence: (C.-U.C.); (B.-K.P.); (H.-C.C.); Tel.: +82-2-880-1255 (C.-U.C., B.-K.P. & H.-C.C.); Fax: +82-2-885-0263 (C.-U.C., B.-K.P. & H.-C.C.)
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29
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Ip HS, Griffin KM, Messer JD, Winzeler ME, Shriner SA, Killian ML, K. Torchetti M, DeLiberto TJ, Amman BR, Cossaboom CM, Harvey RR, Wendling NM, Rettler H, Taylor D, Towner JS, Barton Behravesh C, Blehert DS. An Opportunistic Survey Reveals an Unexpected Coronavirus Diversity Hotspot in North America. Viruses 2021; 13:v13102016. [PMID: 34696445 PMCID: PMC8539472 DOI: 10.3390/v13102016] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 09/29/2021] [Accepted: 10/01/2021] [Indexed: 02/07/2023] Open
Abstract
In summer 2020, Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) was detected on mink farms in Utah. An interagency One Health response was initiated to assess the extent of the outbreak and included sampling animals from on or near affected mink farms and testing them for SARS-CoV-2 and non-SARS coronaviruses. Among the 365 animals sampled, including domestic cats, mink, rodents, raccoons, and skunks, 261 (72%) of the animals harbored at least one coronavirus. Among the samples that could be further characterized, 127 alphacoronaviruses and 88 betacoronaviruses (including 74 detections of SARS-CoV-2 in mink) were identified. Moreover, at least 10% (n = 27) of the coronavirus-positive animals were found to be co-infected with more than one coronavirus. Our findings indicate an unexpectedly high prevalence of coronavirus among the domestic and wild free-roaming animals tested on mink farms. These results raise the possibility that mink farms could be potential hot spots for future trans-species viral spillover and the emergence of new pandemic coronaviruses.
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Affiliation(s)
- Hon S. Ip
- United States Geological Survey, National Wildlife Health Center, Laboratory Services Branch. Madison, WI 53711, USA; (K.M.G.); (J.D.M.); (M.E.W.); (D.S.B.)
- Correspondence: ; Tel.: +1-608-270-2464
| | - Kathryn M. Griffin
- United States Geological Survey, National Wildlife Health Center, Laboratory Services Branch. Madison, WI 53711, USA; (K.M.G.); (J.D.M.); (M.E.W.); (D.S.B.)
| | - Jeffrey D. Messer
- United States Geological Survey, National Wildlife Health Center, Laboratory Services Branch. Madison, WI 53711, USA; (K.M.G.); (J.D.M.); (M.E.W.); (D.S.B.)
| | - Megan E. Winzeler
- United States Geological Survey, National Wildlife Health Center, Laboratory Services Branch. Madison, WI 53711, USA; (K.M.G.); (J.D.M.); (M.E.W.); (D.S.B.)
| | - Susan A. Shriner
- Wildlife Services, National Wildlife Research Center, United States Department of Agriculture, Fort Collins, CO 80521, USA; (S.A.S.); (T.J.D.)
| | - Mary Lea Killian
- National Veterinary Services Laboratories, Diagnostic Virology Laboratory, United States Department of Agriculture, Ames, IA 50010, USA; (M.L.K.); (M.K.T.)
| | - Mia K. Torchetti
- National Veterinary Services Laboratories, Diagnostic Virology Laboratory, United States Department of Agriculture, Ames, IA 50010, USA; (M.L.K.); (M.K.T.)
| | - Thomas J. DeLiberto
- Wildlife Services, National Wildlife Research Center, United States Department of Agriculture, Fort Collins, CO 80521, USA; (S.A.S.); (T.J.D.)
| | - Brian R. Amman
- Centers for Disease Control and Prevention, National Center for Emerging and Zoonotic Infectious Diseases, Atlanta, GA 30329, USA; (B.R.A.); (C.M.C.); (R.R.H.); (N.M.W.); (J.S.T.); (C.B.B.)
| | - Caitlin M. Cossaboom
- Centers for Disease Control and Prevention, National Center for Emerging and Zoonotic Infectious Diseases, Atlanta, GA 30329, USA; (B.R.A.); (C.M.C.); (R.R.H.); (N.M.W.); (J.S.T.); (C.B.B.)
| | - R. Reid Harvey
- Centers for Disease Control and Prevention, National Center for Emerging and Zoonotic Infectious Diseases, Atlanta, GA 30329, USA; (B.R.A.); (C.M.C.); (R.R.H.); (N.M.W.); (J.S.T.); (C.B.B.)
| | - Natalie M. Wendling
- Centers for Disease Control and Prevention, National Center for Emerging and Zoonotic Infectious Diseases, Atlanta, GA 30329, USA; (B.R.A.); (C.M.C.); (R.R.H.); (N.M.W.); (J.S.T.); (C.B.B.)
| | - Hannah Rettler
- Utah Department of Health, Salt Lake City, UT 84114, USA;
| | - Dean Taylor
- Utah Department of Agriculture and Food, Salt Lake City, UT 84116, USA;
| | - Jonathan S. Towner
- Centers for Disease Control and Prevention, National Center for Emerging and Zoonotic Infectious Diseases, Atlanta, GA 30329, USA; (B.R.A.); (C.M.C.); (R.R.H.); (N.M.W.); (J.S.T.); (C.B.B.)
| | - Casey Barton Behravesh
- Centers for Disease Control and Prevention, National Center for Emerging and Zoonotic Infectious Diseases, Atlanta, GA 30329, USA; (B.R.A.); (C.M.C.); (R.R.H.); (N.M.W.); (J.S.T.); (C.B.B.)
| | - David S. Blehert
- United States Geological Survey, National Wildlife Health Center, Laboratory Services Branch. Madison, WI 53711, USA; (K.M.G.); (J.D.M.); (M.E.W.); (D.S.B.)
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Chan OSK, Bradley KCF, Grioni A, Lau SKP, Li WT, Magouras I, Naing T, Padula A, To EMW, Tun HM, Tutt C, Woo PCY, Bloch R, Mauroo NF. Veterinary Experiences can Inform One Health Strategies for Animal Coronaviruses. ECOHEALTH 2021; 18:301-314. [PMID: 34542794 PMCID: PMC8450722 DOI: 10.1007/s10393-021-01545-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 05/24/2021] [Accepted: 07/12/2021] [Indexed: 06/13/2023]
Affiliation(s)
- Olivia S K Chan
- LKS Faculty of Medicine, School of Public Health, Patrick Manson Building, The University of Hong Kong, Pokfulam, Hong Kong.
| | - Katriona C F Bradley
- Tai Wai Small Animal and Exotic Hospital, G/F, Lap Wo Building, 69-75 Chik Shun St, Tai Wai, NT, Hong Kong
| | - Alessandro Grioni
- Fauna Conservation Department, Kadoorie Farm and Botanic Garden, Lam Kam Road, Tai Po, NT, Hong Kong
| | - Susanna K P Lau
- Department of Microbiology, The University of Hong Kong, Room 26, 19/F, Block T, Queen Mary Hospital, 102 Pokfulam Road, Hong Kong, Hong Kong
| | - Wen-Ta Li
- Department of Pathology, Pangolin International Biomedical Consultant Ltd., Keelung, Taiwan
| | - Ioannis Magouras
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine and Life Sciences, City University of Hong Kong, Kowloon, Hong Kong
| | - Tint Naing
- Soares Avenue Paws and Claws Clinic, G/F No 29 - 33 Soares Avenue, Kowloon, Hong Kong
| | - Andrew Padula
- Australian Venom Research Unit, Department of Pharmacology, Faculty of Medicine, University of Melbourne, Parkville, VIC, 3010, Australia
| | - Esther M W To
- Agriculture, Fisheries and Conservation Department, The Government of Hong Kong Special Administrative Region, Room 509, Cheung Sha Wan Government Offices, 303 Cheung Sha Wan Road, Sham Shui Po, Kowloon, Hong Kong
| | - Hein Min Tun
- LKS Faculty of Medicine, School of Public Health, Patrick Manson Building, The University of Hong Kong, Pokfulam, Hong Kong
| | - Cedric Tutt
- Cape Animal Dentistry Service, 78 Rosmead Avenue, Kenilworth, Cape Town, 7708, South Africa
| | - Patrick C Y Woo
- Department of Microbiology, The University of Hong Kong, Room 26, 19/F, Block T, Queen Mary Hospital, 102 Pokfulam Road, Hong Kong, Hong Kong
| | - Rebecca Bloch
- University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
| | - Nathalie F Mauroo
- Hong Kong Wildlife Health Foundation, GPO Box 12585, Hong Kong, Hong Kong
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31
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Berguido FJ, Burbelo PD, Bortolami A, Bonfante F, Wernike K, Hoffmann D, Balkema-Buschmann A, Beer M, Dundon WG, Lamien CE, Cattoli G. Serological Detection of SARS-CoV-2 Antibodies in Naturally-Infected Mink and Other Experimentally-Infected Animals. Viruses 2021; 13:1649. [PMID: 34452513 PMCID: PMC8402807 DOI: 10.3390/v13081649] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 08/16/2021] [Accepted: 08/17/2021] [Indexed: 02/07/2023] Open
Abstract
The recent emergence of SARS-CoV-2 in humans from a yet unidentified animal reservoir and the capacity of the virus to naturally infect pets, farmed animals and potentially wild animals has highlighted the need for serological surveillance tools. In this study, the luciferase immunoprecipitation systems (LIPS), employing the spike (S) and nucleocapsid proteins (N) of SARS-CoV-2, was used to examine the suitability of the assay for antibody detection in different animal species. Sera from SARS-CoV-2 naturally-infected mink (n = 77), SARS-CoV-2 experimentally-infected ferrets, fruit bats and hamsters and a rabbit vaccinated with a purified spike protein were examined for antibodies using the SARS-CoV-2 N and/or S proteins. From comparison with the known neutralization status of the serum samples, statistical analyses including calculation of the Spearman rank-order-correlation coefficient and Cohen's kappa agreement were used to interpret the antibody results and diagnostic performance. The LIPS immunoassay robustly detected the presence of viral antibodies in naturally infected SARS-CoV-2 mink, experimentally infected ferrets, fruit bats and hamsters as well as in an immunized rabbit. For the SARS-CoV-2-LIPS-S assay, there was a good level of discrimination between the positive and negative samples for each of the five species tested with 100% agreement with the virus neutralization results. In contrast, the SARS-CoV-2-LIPS-N assay did not consistently differentiate between SARS-CoV-2 positive and negative sera. This study demonstrates the suitability of the SARS-CoV-2-LIPS-S assay for the sero-surveillance of SARS-CoV-2 infection in a range of animal species.
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Affiliation(s)
- Francisco J. Berguido
- Joint FAO/IAEA Centre for Nuclear Applications in Food and Agriculture, Animal Production and Health Laboratory, Department of Nuclear Sciences and Applications, International Atomic Energy Agency Vienna International Centre, P.O. Box 100, 1400 Vienna, Austria; (W.G.D.); (C.E.L.); (G.C.)
| | - Peter D. Burbelo
- National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD 20892, USA;
| | - Alessio Bortolami
- Laboratory of Experimental Animal Models, Division of Comparative Biomedical Sciences, Istituto Zooprofilattico Sperimentale delle Venezie, 35020 Legnaro, Italy; (A.B.); (F.B.)
| | - Francesco Bonfante
- Laboratory of Experimental Animal Models, Division of Comparative Biomedical Sciences, Istituto Zooprofilattico Sperimentale delle Venezie, 35020 Legnaro, Italy; (A.B.); (F.B.)
| | - Kerstin Wernike
- Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, Südufer 10, 17493 Greifswald, Insel Riems, Germany; (K.W.); (D.H.); (M.B.)
| | - Donata Hoffmann
- Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, Südufer 10, 17493 Greifswald, Insel Riems, Germany; (K.W.); (D.H.); (M.B.)
| | - Anne Balkema-Buschmann
- Institute of Novel and Emerging Infectious Diseases, Friedrich-Loeffler-Institut, Südufer 10, 17493 Greifswald, Insel Riems, Germany;
| | - Martin Beer
- Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, Südufer 10, 17493 Greifswald, Insel Riems, Germany; (K.W.); (D.H.); (M.B.)
| | - William G. Dundon
- Joint FAO/IAEA Centre for Nuclear Applications in Food and Agriculture, Animal Production and Health Laboratory, Department of Nuclear Sciences and Applications, International Atomic Energy Agency Vienna International Centre, P.O. Box 100, 1400 Vienna, Austria; (W.G.D.); (C.E.L.); (G.C.)
| | - Charles E. Lamien
- Joint FAO/IAEA Centre for Nuclear Applications in Food and Agriculture, Animal Production and Health Laboratory, Department of Nuclear Sciences and Applications, International Atomic Energy Agency Vienna International Centre, P.O. Box 100, 1400 Vienna, Austria; (W.G.D.); (C.E.L.); (G.C.)
| | - Giovanni Cattoli
- Joint FAO/IAEA Centre for Nuclear Applications in Food and Agriculture, Animal Production and Health Laboratory, Department of Nuclear Sciences and Applications, International Atomic Energy Agency Vienna International Centre, P.O. Box 100, 1400 Vienna, Austria; (W.G.D.); (C.E.L.); (G.C.)
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32
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SARS-CoV-2, Mannerism, Marten, Mink, and Man. Emerg Infect Dis 2021. [PMCID: PMC8237888 DOI: 10.3201/eid2707.ac2707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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33
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Duerr R, Crosse KM, Valero-Jimenez AM, Dittmann M. SARS-CoV-2 Portrayed against HIV: Contrary Viral Strategies in Similar Disguise. Microorganisms 2021; 9:1389. [PMID: 34198973 PMCID: PMC8307803 DOI: 10.3390/microorganisms9071389] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 06/06/2021] [Accepted: 06/07/2021] [Indexed: 11/16/2022] Open
Abstract
SARS-CoV-2 and HIV are zoonotic viruses that rapidly reached pandemic scale, causing global losses and fear. The COVID-19 and AIDS pandemics ignited massive efforts worldwide to develop antiviral strategies and characterize viral architectures, biological and immunological properties, and clinical outcomes. Although both viruses have a comparable appearance as enveloped viruses with positive-stranded RNA and envelope spikes mediating cellular entry, the entry process, downstream biological and immunological pathways, clinical outcomes, and disease courses are strikingly different. This review provides a systemic comparison of both viruses' structural and functional characteristics, delineating their distinct strategies for efficient spread.
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Affiliation(s)
- Ralf Duerr
- Department of Microbiology, New York University School of Medicine, New York, NY 10016, USA; (K.M.C.); (A.M.V.-J.); (M.D.)
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34
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Mechanisms Underlying Host Range Variation in Flavivirus: From Empirical Knowledge to Predictive Models. J Mol Evol 2021; 89:329-340. [PMID: 34059925 DOI: 10.1007/s00239-021-10013-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Accepted: 05/13/2021] [Indexed: 12/22/2022]
Abstract
Preventing and controlling epidemics caused by vector-borne viruses are particularly challenging due to their diverse pool of hosts and highly adaptive nature. Many vector-borne viruses belong to the Flavivirus genus, whose members vary greatly in host range and specificity. Members of the Flavivirus genus can be categorized to four main groups: insect-specific viruses that are maintained solely in arthropod populations, mosquito-borne viruses and tick-borne viruses that are transmitted to vertebrate hosts by mosquitoes or ticks via blood feeding, and those with no-known vector. The mosquito-borne group encompasses the yellow fever, dengue, and West Nile viruses, all of which are globally spread and cause severe morbidity in humans. The Flavivirus genus is genetically diverse, and its members are subject to different host-specific and vector-specific selective constraints, which do not always align. Thus, understanding the underlying genetic differences that led to the diversity in host range within this genus is an important aspect in deciphering the mechanisms that drive host compatibility and can aid in the constant arms-race against viral threats. Here, we review the phylogenetic relationships between members of the genus, their infection bottlenecks, and phenotypic and genomic differences. We further discuss methods that utilize these differences for prediction of host shifts in flaviviruses and can contribute to viral surveillance efforts.
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35
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Hamer SA, Pauvolid-Corrêa A, Zecca IB, Davila E, Auckland LD, Roundy CM, Tang W, Torchetti MK, Killian ML, Jenkins-Moore M, Mozingo K, Akpalu Y, Ghai RR, Spengler JR, Barton Behravesh C, Fischer RSB, Hamer GL. SARS-CoV-2 Infections and Viral Isolations among Serially Tested Cats and Dogs in Households with Infected Owners in Texas, USA. Viruses 2021; 13:v13050938. [PMID: 34069453 PMCID: PMC8159091 DOI: 10.3390/v13050938] [Citation(s) in RCA: 94] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 05/12/2021] [Accepted: 05/15/2021] [Indexed: 12/23/2022] Open
Abstract
Understanding the ecological and epidemiological roles of pets in the transmission of SARS-CoV-2 is critical for animal and human health, identifying household reservoirs, and predicting the potential enzootic maintenance of the virus. We conducted a longitudinal household transmission study of 76 dogs and cats living with at least one SARS-CoV-2-infected human in Texas and found that 17 pets from 25.6% of 39 households met the national case definition for SARS-CoV-2 infections in animals. This includes three out of seventeen (17.6%) cats and one out of fifty-nine (1.7%) dogs that were positive by RT-PCR and sequencing, with the virus successfully isolated from the respiratory swabs of one cat and one dog. Whole-genome sequences of SARS-CoV-2 obtained from all four PCR-positive animals were unique variants grouping with genomes circulating among people with COVID-19 in Texas. Re-sampling showed persistence of viral RNA for at least 25 d-post initial test. Additionally, seven out of sixteen (43.8%) cats and seven out of fifty-nine (11.9%) dogs harbored SARS-CoV-2 neutralizing antibodies upon initial sampling, with relatively stable or increasing titers over the 2–3 months of follow-up and no evidence of seroreversion. The majority (82.4%) of infected pets were asymptomatic. ‘Reverse zoonotic’ transmission of SARS-CoV-2 from infected people to animals may occur more frequently than recognized.
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Affiliation(s)
- Sarah A. Hamer
- College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX 77843, USA; (A.P.-C.); (I.B.Z.); (E.D.); (L.D.A.)
- Correspondence: ; Tel.: +1-979-847-5693
| | - Alex Pauvolid-Corrêa
- College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX 77843, USA; (A.P.-C.); (I.B.Z.); (E.D.); (L.D.A.)
- Laboratory of Respiratory Viruses and Measles, SARS-CoV-2 National Reference Laboratory and Regional Reference Laboratory in the Americas (PAHO/WHO), Fiocruz, Rio de Janeiro 21040-360, Brazil
| | - Italo B. Zecca
- College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX 77843, USA; (A.P.-C.); (I.B.Z.); (E.D.); (L.D.A.)
| | - Edward Davila
- College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX 77843, USA; (A.P.-C.); (I.B.Z.); (E.D.); (L.D.A.)
| | - Lisa D. Auckland
- College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX 77843, USA; (A.P.-C.); (I.B.Z.); (E.D.); (L.D.A.)
| | - Christopher M. Roundy
- Department of Entomology, Texas A&M University and AgriLife Research, College Station, TX 77843, USA; (C.M.R.); (W.T.); (G.L.H.)
| | - Wendy Tang
- Department of Entomology, Texas A&M University and AgriLife Research, College Station, TX 77843, USA; (C.M.R.); (W.T.); (G.L.H.)
| | - Mia Kim Torchetti
- National Veterinary Services Laboratories, USDA APHIS VS, Ames, IA 50010, USA; (M.K.T.); (M.L.K.); (M.J.-M.); (K.M.)
| | - Mary Lea Killian
- National Veterinary Services Laboratories, USDA APHIS VS, Ames, IA 50010, USA; (M.K.T.); (M.L.K.); (M.J.-M.); (K.M.)
| | - Melinda Jenkins-Moore
- National Veterinary Services Laboratories, USDA APHIS VS, Ames, IA 50010, USA; (M.K.T.); (M.L.K.); (M.J.-M.); (K.M.)
| | - Katie Mozingo
- National Veterinary Services Laboratories, USDA APHIS VS, Ames, IA 50010, USA; (M.K.T.); (M.L.K.); (M.J.-M.); (K.M.)
| | - Yao Akpalu
- Brazos County Health Department, Bryan, TX 77803, USA;
| | - Ria R. Ghai
- National Center for Emerging and Zoonotic Infectious Diseases, U.S. Centers for Disease Control and Prevention, Atlanta, GA 30329, USA; (R.R.G.); (J.R.S.); (C.B.B.)
| | - Jessica R. Spengler
- National Center for Emerging and Zoonotic Infectious Diseases, U.S. Centers for Disease Control and Prevention, Atlanta, GA 30329, USA; (R.R.G.); (J.R.S.); (C.B.B.)
| | - Casey Barton Behravesh
- National Center for Emerging and Zoonotic Infectious Diseases, U.S. Centers for Disease Control and Prevention, Atlanta, GA 30329, USA; (R.R.G.); (J.R.S.); (C.B.B.)
| | | | - Gabriel L. Hamer
- Department of Entomology, Texas A&M University and AgriLife Research, College Station, TX 77843, USA; (C.M.R.); (W.T.); (G.L.H.)
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