Experimental Infection and Genetic Characterization of Two Different Capripox Virus Isolates in Small Ruminants

Capripox viruses, with their members “lumpy skin disease virus (LSDV)”, “goatpox virus (GTPV)” and “sheeppox virus (SPPV)”, are described as the most serious pox diseases of production animals. A GTPV isolate and a SPPV isolate were sequenced in a combined approach using nanopore MinION sequencing t...

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Main Authors: Janika Wolff, Jacqueline King, Tom Moritz, Anne Pohlmann, Donata Hoffmann, Martin Beer, Bernd Hoffmann
Format: Article
Language:English
Published: MDPI AG 2020-09-01
Series:Viruses
Subjects:
Online Access:https://www.mdpi.com/1999-4915/12/10/1098
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author Janika Wolff
Jacqueline King
Tom Moritz
Anne Pohlmann
Donata Hoffmann
Martin Beer
Bernd Hoffmann
author_facet Janika Wolff
Jacqueline King
Tom Moritz
Anne Pohlmann
Donata Hoffmann
Martin Beer
Bernd Hoffmann
author_sort Janika Wolff
collection DOAJ
description Capripox viruses, with their members “lumpy skin disease virus (LSDV)”, “goatpox virus (GTPV)” and “sheeppox virus (SPPV)”, are described as the most serious pox diseases of production animals. A GTPV isolate and a SPPV isolate were sequenced in a combined approach using nanopore MinION sequencing to obtain long reads and Illumina high throughput sequencing for short precise reads to gain full-length high-quality genome sequences. Concomitantly, sheep and goats were inoculated with SPPV and GTPV strains, respectively. During the animal trial, varying infection routes were compared: a combined intravenous and subcutaneous infection, an only intranasal infection, and the contact infection between naïve and inoculated animals. Sheep inoculated with SPPV showed no clinical signs, only a very small number of genome-positive samples and a low-level antibody reaction. In contrast, all GTPV inoculated or in-contact goats developed severe clinical signs with high viral genome loads observed in all tested matrices. Furthermore, seroconversion was detected in nearly all goats and no differences concerning the severity of the disease depending on the inoculation route were observed. Conclusively, the employed SPPV strain has the properties of an attenuated vaccine strain, consistent with the genetic data, whereas the GTPV strain represents a highly virulent field strain.
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spelling doaj.art-7dd04fae1e224c11928498b691a9924e2023-11-20T15:26:09ZengMDPI AGViruses1999-49152020-09-011210109810.3390/v12101098Experimental Infection and Genetic Characterization of Two Different Capripox Virus Isolates in Small RuminantsJanika Wolff0Jacqueline King1Tom Moritz2Anne Pohlmann3Donata Hoffmann4Martin Beer5Bernd Hoffmann6Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, D-17493 Greifswald-Insel Riems, GermanyInstitute of Diagnostic Virology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, D-17493 Greifswald-Insel Riems, GermanyInstitute of Diagnostic Virology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, D-17493 Greifswald-Insel Riems, GermanyInstitute of Diagnostic Virology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, D-17493 Greifswald-Insel Riems, GermanyInstitute of Diagnostic Virology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, D-17493 Greifswald-Insel Riems, GermanyInstitute of Diagnostic Virology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, D-17493 Greifswald-Insel Riems, GermanyInstitute of Diagnostic Virology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, D-17493 Greifswald-Insel Riems, GermanyCapripox viruses, with their members “lumpy skin disease virus (LSDV)”, “goatpox virus (GTPV)” and “sheeppox virus (SPPV)”, are described as the most serious pox diseases of production animals. A GTPV isolate and a SPPV isolate were sequenced in a combined approach using nanopore MinION sequencing to obtain long reads and Illumina high throughput sequencing for short precise reads to gain full-length high-quality genome sequences. Concomitantly, sheep and goats were inoculated with SPPV and GTPV strains, respectively. During the animal trial, varying infection routes were compared: a combined intravenous and subcutaneous infection, an only intranasal infection, and the contact infection between naïve and inoculated animals. Sheep inoculated with SPPV showed no clinical signs, only a very small number of genome-positive samples and a low-level antibody reaction. In contrast, all GTPV inoculated or in-contact goats developed severe clinical signs with high viral genome loads observed in all tested matrices. Furthermore, seroconversion was detected in nearly all goats and no differences concerning the severity of the disease depending on the inoculation route were observed. Conclusively, the employed SPPV strain has the properties of an attenuated vaccine strain, consistent with the genetic data, whereas the GTPV strain represents a highly virulent field strain.https://www.mdpi.com/1999-4915/12/10/1098capripoxsheeppoxgoatpoxSPPVGTPVfield strain
spellingShingle Janika Wolff
Jacqueline King
Tom Moritz
Anne Pohlmann
Donata Hoffmann
Martin Beer
Bernd Hoffmann
Experimental Infection and Genetic Characterization of Two Different Capripox Virus Isolates in Small Ruminants
Viruses
capripox
sheeppox
goatpox
SPPV
GTPV
field strain
title Experimental Infection and Genetic Characterization of Two Different Capripox Virus Isolates in Small Ruminants
title_full Experimental Infection and Genetic Characterization of Two Different Capripox Virus Isolates in Small Ruminants
title_fullStr Experimental Infection and Genetic Characterization of Two Different Capripox Virus Isolates in Small Ruminants
title_full_unstemmed Experimental Infection and Genetic Characterization of Two Different Capripox Virus Isolates in Small Ruminants
title_short Experimental Infection and Genetic Characterization of Two Different Capripox Virus Isolates in Small Ruminants
title_sort experimental infection and genetic characterization of two different capripox virus isolates in small ruminants
topic capripox
sheeppox
goatpox
SPPV
GTPV
field strain
url https://www.mdpi.com/1999-4915/12/10/1098
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