Herpesvirus Systematics§ Andrew J
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Trunkloads of Viruses
COMMENTARY Trunkloads of Viruses Philip E. Pellett Department of Immunology and Microbiology, Wayne State University School of Medicine, Detroit, Michigan, USA Elephant populations are under intense pressure internationally from habitat destruction and poaching for ivory and meat. They also face pressure from infectious agents, including elephant endotheliotropic herpesvirus 1 (EEHV1), which kills ϳ20% of Asian elephants (Elephas maximus) born in zoos and causes disease in the wild. EEHV1 is one of at least six distinct EEHV in a phylogenetic lineage that appears to represent an ancient but newly recognized subfamily (the Deltaherpesvirinae) in the family Herpesviridae. lephant endotheliotropic herpesvirus 1 (EEHV1) causes a rap- the Herpesviridae (the current complete list of approved virus tax- Downloaded from Eidly progressing and usually fatal hemorrhagic disease that ons is available at http://ictvonline.org/). In addition, approxi- occurs in the wild in Asia and affects ϳ20% of Asian elephant mately 200 additional viruses detected using methods such as (Elephas maximus) calves born in zoos in the United States and those described above await formal consideration (V. Lacoste, Europe (1). About 60% of juvenile deaths of captive elephants are personal communication). With very few exceptions, the amino attributed to such infections. Development of control measures acid sequence of a small conserved segment of the viral DNA poly- has been hampered by the lack of systems for culture of the virus in merase (ϳ150 amino acids) is sufficient to not only reliably iden- laboratories. Its genetic study has been restricted to analysis of tify a virus as belonging to the evolutionary lineage represented by blood, trunk wash fluid, and tissue samples collected during nec- the Herpesviridae, but also their subfamily, and in most cases a http://jvi.asm.org/ ropsies. -
The Koi Herpesvirus (Khv): an Alloherpesviru
Aquacu nd ltu a r e s e J Bergmann et al., Fish Aquac J 2016, 7:2 i o r u e r h n http://dx.doi.org/10.4172/2150-3508.1000169 s a i l F Fisheries and Aquaculture Journal ISSN: 2150-3508 ResearchResearch Artilce Article OpenOpen Access Access Is There Any Species Specificity in Infections with Aquatic Animal Herpesviruses?–The Koi Herpesvirus (KHV): An Alloherpesvirus Model Sven M Bergmann1*, Michael Cieslak1, Dieter Fichtner1, Juliane Dabels2, Sean J Monaghan3, Qing Wang4, Weiwei Zeng4 and Jolanta Kempter5 1FLI Insel Riems, Südufer 10, 17493 Greifswald-Insel Riems, Germany 2University of Rostock, Aquaculture and Sea Ranching, Justus-von-Liebig-Weg 6, Rostock 18059, Germany 3Aquatic Vaccine Unit, Institute of Aquaculture, School of Natural Sciences, University of Stirling, Stirling, FK9 4LA, UK 4Pearl-River Fisheries Research Institute, Xo. 1 Xingyu Reoad, Liwan District, Guangzhou 510380, P. R. of China 5West Pomeranian Technical University, Aquaculture, K. Królewicza 4, 71-550, Szczecin, Poland Abstract Most diseases induced by herpesviruses are host-specific; however, exceptions exist within the family Alloherpesviridae. Most members of the Alloherpesviridae are detected in at least two different species, with and without clinical signs of a disease. In the current study the Koi herpesvirus (KHV) was used as a model member of the Alloherpesviridae and rainbow trout as a model salmonid host, which were infected with KHV by immersion. KHV was detected using direct methods (qPCR and semi-nested PCR) and indirect (enzyme-linked immunosorbant assay; ELISA, serum neutralization test; SNT). The non-koi herpesvirus disease (KHVD)-susceptible salmonid fish were demonstrated to transfer KHV to naïve carp at two different temperatures including a temperature most suitable for the salmonid (15°C) and cyprinid (20°C). -
Cyprinus Carpio
Académie Universitaire Wallonie - Europe Université de Liège Faculté de Médecine Vétérinaire Département des Maladies Infectieuses et Parasitaires Service d’Immunologie et de Vaccinologie Etude des portes d’entrée de l’Herpèsvirus cyprin 3 chez Cyprinus carpio Study of the portals of entry of Cyprinid herpesvirus 3 in Cyprinus carpio Guillaume FOURNIER Thèse présentée en vue de l’obtention du grade de Docteur en Sciences Vétérinaires Année académique 2011-2012 Académie Universitaire Wallonie - Europe Université de Liège Faculté de Médecine Vétérinaire Département des Maladies Infectieuses et Parasitaires Service d’Immunologie et de Vaccinologie Etude des portes d’entrée de l’Herpèsvirus cyprin 3 chez Cyprinus carpio Study of the portals of entry of Cyprinid herpesvirus 3 in Cyprinus carpio Promoteur : Prof. Alain Vanderplasschen Guillaume FOURNIER Thèse présentée en vue de l’obtention du grade de Docteur en Sciences Vétérinaires Année académique 2011-2012 « La science progresse en indiquant l'immensité de l'ignoré. » Louis Pauwels Remerciements Liège, le 15 février 2012 L’accomplissement d’une thèse est un long et palpitant voyage en océan où se mélangent la curiosité, le doute, la persévérance, et la confiance… en soi bien sûr, mais surtout envers toutes les personnes qui, par leurs conseils, leur aide, leur soutien m’ont permis de mener cette thèse à bien. Je tiens ici à remercier mes collègues, amis et famille qui ont été tantôt les phares, tantôt les boussoles, toujours les fidèles compagnons de cette aventure. Je commencerais par adresser mes plus sincères remerciements à mon promoteur, le Professeur Alain Vanderplasschen, qui m’avait déjà remarqué en amphithéâtre pour ma curiosité, à moins que ce ne soit pour mon irrésistible coiffure.. -
An Assay Redesign and Evaluation
Deficiencies in the current assays for the detection and identification of DNA viruses of carp: an assay redesign and evaluation. David Stone1, Peng Jia2 and Hong Liu2 1Cefas Weymouth Laboratory, UK 2Shenzhen Exit & Entry Inspection and Quarantine Bureau, People's Republic of China. World Class Science for the Marine and Freshwater Environment Overview • BREXIT • Cyprinivirus-specific primers • Failures in CyHV-3 detection using the Gilad qPCR assay • Design and initial evaluation of a CyHV-3 pol qPCR assay • CEV • Current PCR based assays • Failures in the Cefas conventional PCR assay • Design and initial evaluation of a modified nested PCR assay • Work to be done KHV (Cyprinid herpesvirus 3) • Large DNA virus (295 kbp genome) – of the Alloherpesviridae family in the order Herpesvirales • CyHV-3 (Koi herpesvirus - KHV) is the type species of the Cyprinivirus genus -also contains Cyprinid herpesviruses 1 & 2 and Anguillid herpesvirus • Disease affects Common carp (Cyprinus carpio), including ornamental koi carp and varieties and hybrids such as mirror and ghost carp. Goldfish (Carassius auratus) x common carp hybrids also have low susceptibility to CyHV-3 infection Cyprinivirus- specific DNA polymerase primers Nested conventional PCR assay based on CyHV 1-3 DNA polymerase sequences • Analytical sensitivity of 1-10 copies/reaction (~DNA from 0.25mg tissue) • Assay accredited to ISO 17025 Initially run in parallel to the TK primers recommended by the OIE. In the UK the assay was adopted as the primary assay for confirmation of disease outbreaks -
Cytomegalovirus Disease Fact Sheet
WISCONSIN DIVISION OF PUBLIC HEALTH Department of Health Services Cytomegalovirus (CMV) Disease Fact Sheet Series What is Cytomegalovirus infection? Cytomegalovirus (CMV) is a common viral infection that rarely causes disease in healthy individuals. When it does cause disease, the symptoms vary depending on the patient’s age and immune status. Who gets CMV infection? In the United States, approximately 1% of newborns is infected with CMV while growing in their mother's womb (congenital CMV infection). Many newborns however, will acquire CMV infection during delivery by passage through an infected birth canal or after birth through infected breast milk (perinatal CMV infection). Children, especially those attending day-care centers, who have not previously been infected with CMV, may become infected during the toddler or preschool years. Most people will have been infected with CMV by the time they reach puberty. How is CMV spread? CMV is excreted in urine, saliva, breast milk, cervical secretions and semen of infected individuals, even if the infected person has never experienced clinical symptoms. CMV may also be transmitted through blood transfusions, and through bone marrow, organ and tissue transplants from donors infected with CMV. CMV is not spread by casual contact with infected persons. Transmission requires repeated prolonged contact with infected items. What are the signs and symptoms of CMV infection? While most infants with congenital CMV infection do not show symptoms at birth, some will develop psychomotor, hearing, or dental abnormalities over the first few years of their life. Prognosis for infants with profound congenital CMV infection is poor and survivors may exhibit mental retardation, deficiencies in coordination of muscle movements, hearing losses, and chronic liver disease. -
Novel Therapeutics for Epstein–Barr Virus
molecules Review Novel Therapeutics for Epstein–Barr Virus Graciela Andrei *, Erika Trompet and Robert Snoeck Laboratory of Virology and Chemotherapy, Department of Microbiology and Immunology, Rega Institute for Medical Research, KU Leuven, 3000 Leuven, Belgium; [email protected] (E.T.); [email protected] (R.S.) * Correspondence: [email protected]; Tel.: +32-16-321-915 Academic Editor: Stefano Aquaro Received: 15 February 2019; Accepted: 4 March 2019; Published: 12 March 2019 Abstract: Epstein–Barr virus (EBV) is a human γ-herpesvirus that infects up to 95% of the adult population. Primary EBV infection usually occurs during childhood and is generally asymptomatic, though the virus can cause infectious mononucleosis in 35–50% of the cases when infection occurs later in life. EBV infects mainly B-cells and epithelial cells, establishing latency in resting memory B-cells and possibly also in epithelial cells. EBV is recognized as an oncogenic virus but in immunocompetent hosts, EBV reactivation is controlled by the immune response preventing transformation in vivo. Under immunosuppression, regardless of the cause, the immune system can lose control of EBV replication, which may result in the appearance of neoplasms. The primary malignancies related to EBV are B-cell lymphomas and nasopharyngeal carcinoma, which reflects the primary cell targets of viral infection in vivo. Although a number of antivirals were proven to inhibit EBV replication in vitro, they had limited success in the clinic and to date no antiviral drug has been approved for the treatment of EBV infections. We review here the antiviral drugs that have been evaluated in the clinic to treat EBV infections and discuss novel molecules with anti-EBV activity under investigation as well as new strategies to treat EBV-related diseases. -
Microtubule-Dependent Trafficking of Alphaherpesviruses in the Nervous
viruses Review Microtubule-Dependent Trafficking of Alphaherpesviruses in the Nervous System: The Ins and Outs Drishya Diwaker 1 and Duncan W. Wilson 1,2,* 1 Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, 1300 Morris Park Avenue, Bronx, NY 10461, USA; [email protected] 2 Dominick P. Purpura Department of Neuroscience, Albert Einstein College of Medicine, 1300 Morris Park Avenue, Bronx, NY 10461, USA * Correspondence: [email protected]; Tel.: +1-(718)-430-2305 Received: 29 November 2019; Accepted: 15 December 2019; Published: 17 December 2019 Abstract: The Alphaherpesvirinae include the neurotropic pathogens herpes simplex virus and varicella zoster virus of humans and pseudorabies virus of swine. These viruses establish lifelong latency in the nuclei of peripheral ganglia, but utilize the peripheral tissues those neurons innervate for productive replication, spread, and transmission. Delivery of virions from replicative pools to the sites of latency requires microtubule-directed retrograde axonal transport from the nerve terminus to the cell body of the sensory neuron. As a corollary, during reactivation newly assembled virions must travel along axonal microtubules in the anterograde direction to return to the nerve terminus and infect peripheral tissues, completing the cycle. Neurotropic alphaherpesviruses can therefore exploit neuronal microtubules and motors for long distance axonal transport, and alternate between periods of sustained plus end- and minus end-directed motion at different stages of their infectious cycle. This review summarizes our current understanding of the molecular details by which this is achieved. Keywords: herpes simplex virus; pseudorabies virus; neurons; anterograde axonal transport; retrograde axonal transport; microtubules; motors 1. -
Where Do We Stand After Decades of Studying Human Cytomegalovirus?
microorganisms Review Where do we Stand after Decades of Studying Human Cytomegalovirus? 1, 2, 1 1 Francesca Gugliesi y, Alessandra Coscia y, Gloria Griffante , Ganna Galitska , Selina Pasquero 1, Camilla Albano 1 and Matteo Biolatti 1,* 1 Laboratory of Pathogenesis of Viral Infections, Department of Public Health and Pediatric Sciences, University of Turin, 10126 Turin, Italy; [email protected] (F.G.); gloria.griff[email protected] (G.G.); [email protected] (G.G.); [email protected] (S.P.); [email protected] (C.A.) 2 Complex Structure Neonatology Unit, Department of Public Health and Pediatric Sciences, University of Turin, 10126 Turin, Italy; [email protected] * Correspondence: [email protected] These authors contributed equally to this work. y Received: 19 March 2020; Accepted: 5 May 2020; Published: 8 May 2020 Abstract: Human cytomegalovirus (HCMV), a linear double-stranded DNA betaherpesvirus belonging to the family of Herpesviridae, is characterized by widespread seroprevalence, ranging between 56% and 94%, strictly dependent on the socioeconomic background of the country being considered. Typically, HCMV causes asymptomatic infection in the immunocompetent population, while in immunocompromised individuals or when transmitted vertically from the mother to the fetus it leads to systemic disease with severe complications and high mortality rate. Following primary infection, HCMV establishes a state of latency primarily in myeloid cells, from which it can be reactivated by various inflammatory stimuli. Several studies have shown that HCMV, despite being a DNA virus, is highly prone to genetic variability that strongly influences its replication and dissemination rates as well as cellular tropism. In this scenario, the few currently available drugs for the treatment of HCMV infections are characterized by high toxicity, poor oral bioavailability, and emerging resistance. -
Cyprinid Herpesvirus 3 Genesig Advanced
Primerdesign TM Ltd Cyprinid herpesvirus 3 Pol gene for DNA polymerase genesig® Advanced Kit 150 tests For general laboratory and research use only Quantification of Cyprinid herpesvirus 3 genomes. 1 genesig Advanced kit handbook HB10.03.11 Published Date: 09/11/2018 Introduction to Cyprinid herpesvirus 3 Cyprinid herpesvirus 3 (CyHV3) is the causative agent of a lethal disease in common (Cyprinus carpio carpio) and Koi carp (Cyprnius carpio koi). It was discovered in the late 1990s and has rapidly spread worldwide among cultured common carp and ornamental koi. Previously known as koi herpesvirus, it has caused severe economic losses in the global carp industry with its spread being attributed to international trade. The virus is a member of the order Herepesvirales and family Alloherpesviridae. It has a linear, double stranded genome of approximately 295 kb in length consisting of a large central portion flanked by two 22 kb repeat regions. The genome encodes 156 open reading frames (ORFs) including 8 ORFs encoded by the repeat regions. The genome is packaged in an icosahedral capsid that is contained within viral glycoproteins and then a host derived lipid envelope, giving an overall virion of 170-200nm in diameter. At present, common and koi carp are the only species known to be affected by the virus. The viral particles are transmitted through faeces, sloughing of mucous and inflammatory cells, and secretions that are released into the water. The skin pores are the main source of entry and site of replication but the disease also spreads to the organs, particularly the kidneys. The viral particles are further spread when the carp come into contact with each other during grazing, spawning or when uninfected fish pick at the skin lesions of dead infected fish. -
Topics in Viral Immunology Bruce Campell Supervisory Patent Examiner Art Unit 1648 IS THIS METHOD OBVIOUS?
Topics in Viral Immunology Bruce Campell Supervisory Patent Examiner Art Unit 1648 IS THIS METHOD OBVIOUS? Claim: A method of vaccinating against CPV-1 by… Prior art: A method of vaccinating against CPV-2 by [same method as claimed]. 2 HOW ARE VIRUSES CLASSIFIED? Source: Seventh Report of the International Committee on Taxonomy of Viruses (2000) Edited By M.H.V. van Regenmortel, C.M. Fauquet, D.H.L. Bishop, E.B. Carstens, M.K. Estes, S.M. Lemon, J. Maniloff, M.A. Mayo, D. J. McGeoch, C.R. Pringle, R.B. Wickner Virology Division International Union of Microbiological Sciences 3 TAXONOMY - HOW ARE VIRUSES CLASSIFIED? Example: Potyvirus family (Potyviridae) Example: Herpesvirus family (Herpesviridae) 4 Potyviruses Plant viruses Filamentous particles, 650-900 nm + sense, linear ssRNA genome Genome expressed as polyprotein 5 Potyvirus Taxonomy - Traditional Host range Transmission (fungi, aphids, mites, etc.) Symptoms Particle morphology Serology (antibody cross reactivity) 6 Potyviridae Genera Bymovirus – bipartite genome, fungi Rymovirus – monopartite genome, mites Tritimovirus – monopartite genome, mites, wheat Potyvirus – monopartite genome, aphids Ipomovirus – monopartite genome, whiteflies Macluravirus – monopartite genome, aphids, bulbs 7 Potyvirus Taxonomy - Molecular Polyprotein cleavage sites % similarity of coat protein sequences Genomic sequences – many complete genomic sequences, >200 coat protein sequences now available for comparison 8 Coat Protein Sequence Comparison (RNA) 9 Potyviridae Species Bymovirus – 6 species Rymovirus – 4-5 species Tritimovirus – 2 species Potyvirus – 85 – 173 species Ipomovirus – 1-2 species Macluravirus – 2 species 10 Higher Order Virus Taxonomy Nature of genome: RNA or DNA; ds or ss (+/-); linear, circular (supercoiled?) or segmented (number of segments?) Genome size – 11-383 kb Presence of envelope Morphology: spherical, filamentous, isometric, rod, bacilliform, etc. -
(12) Patent Application Publication (10) Pub. No.: US 2012/0009150 A1 WEBER Et Al
US 2012O009 150A1 (19) United States (12) Patent Application Publication (10) Pub. No.: US 2012/0009150 A1 WEBER et al. (43) Pub. Date: Jan. 12, 2012 (54) DIARYLUREAS FORTREATINGVIRUS Publication Classification INFECTIONS (51) Int. Cl. (76) Inventors: Olaf WEBER, Wulfrath (DE); st 2. CR Bernd Riedl, Wuppertal (DE) ( .01) A63/675 (2006.01) (21) Appl. No.: 13/236,865 A6II 3/522 (2006.01) A6IP 29/00 (2006.01) (22) Filed: Sep. 20, 2011 A6II 3/662 (2006.01) A638/14 (2006.01) Related U.S. Application Data A63L/7056 (2006.01) A6IP3L/2 (2006.01) (63) Continuation of application No. 12/097.350. filed on A6II 3/44 (2006.01) Nov. 3, 2008, filed as application No. PCTAEPO6/ A6II 3/52 (2006.01) 11693 on Dec. 6, 2006. O O (52) U.S. Cl. .......... 424/85.6; 514/350; 514/171; 514/81; (30) Foreign Application Priority Data 514/263.38: 514/263.4: 514/120: 514/4.3: Dec. 15, 2005 (EP) .................................. 05O274513 424/85.7; 514/43 Dec. 15, 2005 (EP). ... O5O27452.1 Dec. 15, 2005 (EP). ... O5O27456.2 Dec. 15, 2005 (EP). ... O5O27458.8 The present invention relates to pharmaceutical compositions Dec. 15, 2005 (EP) O5O27.460.4 for treating virus infections and/or diseases caused by virus Dec. 15, 2005 (EP) O5O27462.O infections comprising at least a diary1 urea compound option Dec. 15, 2005 (EP). ... O5O27465.3 ally combined with at least one additional therapeutic agent. Dec. 15, 2005 (EP). ... O5O274.67.9 Useful combinations include e.g. BAY 43-9006 as a diaryl Dec. -
Emerging Viral Diseases of Fish and Shrimp Peter J
Emerging viral diseases of fish and shrimp Peter J. Walker, James R. Winton To cite this version: Peter J. Walker, James R. Winton. Emerging viral diseases of fish and shrimp. Veterinary Research, BioMed Central, 2010, 41 (6), 10.1051/vetres/2010022. hal-00903183 HAL Id: hal-00903183 https://hal.archives-ouvertes.fr/hal-00903183 Submitted on 1 Jan 2010 HAL is a multi-disciplinary open access L’archive ouverte pluridisciplinaire HAL, est archive for the deposit and dissemination of sci- destinée au dépôt et à la diffusion de documents entific research documents, whether they are pub- scientifiques de niveau recherche, publiés ou non, lished or not. The documents may come from émanant des établissements d’enseignement et de teaching and research institutions in France or recherche français ou étrangers, des laboratoires abroad, or from public or private research centers. publics ou privés. Vet. Res. (2010) 41:51 www.vetres.org DOI: 10.1051/vetres/2010022 Ó INRA, EDP Sciences, 2010 Review article Emerging viral diseases of fish and shrimp 1 2 Peter J. WALKER *, James R. WINTON 1 CSIRO Livestock Industries, Australian Animal Health Laboratory (AAHL), 5 Portarlington Road, Geelong, Victoria, Australia 2 USGS Western Fisheries Research Center, 6505 NE 65th Street, Seattle, Washington, USA (Received 7 December 2009; accepted 19 April 2010) Abstract – The rise of aquaculture has been one of the most profound changes in global food production of the past 100 years. Driven by population growth, rising demand for seafood and a levelling of production from capture fisheries, the practice of farming aquatic animals has expanded rapidly to become a major global industry.