First detection and molecular characterization of sapoviruses and noroviruses with zoonotic potential in swine in Ethiopia

Noroviruses (NoVs) and sapoviruses (SaVs), which belong to the family Caliciviridae , are important human and animal enteric pathogens with zoonotic potential. In Ethiopia, no study has been done on the epidemiology of animal NoVs and SaVs. The aim of this study was to detect and characterize NoVs a...

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Veröffentlicht in:Archives of virology 2016-10, Vol.161 (10), p.2739-2747
Hauptverfasser: Sisay, Zufan, Djikeng, Appolinaire, Berhe, Nega, Belay, Gurja, Abegaz, Woldaregay Erku, Wang, Q. H., Saif, Linda J.
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container_issue 10
container_start_page 2739
container_title Archives of virology
container_volume 161
creator Sisay, Zufan
Djikeng, Appolinaire
Berhe, Nega
Belay, Gurja
Abegaz, Woldaregay Erku
Wang, Q. H.
Saif, Linda J.
description Noroviruses (NoVs) and sapoviruses (SaVs), which belong to the family Caliciviridae , are important human and animal enteric pathogens with zoonotic potential. In Ethiopia, no study has been done on the epidemiology of animal NoVs and SaVs. The aim of this study was to detect and characterize NoVs and SaVs from swine of various ages. Swine fecal samples (n = 117) were collected from commercial farms in Ethiopia. The samples were screened for caliciviruses by reverse transcription polymerase chain reaction (RT-PCR) using universal and genogroup-specific primer pairs. Phylogenetic analysis was conducted using a portion of the RNA-dependent RNA polymerase (RdRp) region and the VP1 region of genome sequences of caliciviruses. Among 117 samples, potential caliciviruses were detected by RT-PCR in 17 samples (14.5 %). Of the RT-PCR-positive fecal samples, four were sequenced, of which two were identified as human NoV GII.1 and the other two as porcine SaV GIII. The porcine SaV strains that were detected were genetically related to the porcine enteric calicivirus Cowden strain genogroup III (GIII), which is the prototype porcine SaV strain. No porcine NoVs were detected. Our results showed the presence of NoVs in swine that are most similar to human strains. These findings have important implications for NoV epidemiology and food safety. Therefore, continued surveillance of NoVs in swine is needed to define their zoonotic potential, epidemiology and public and animal health impact. This is the first study to investigate enteric caliciviruses (noroviruses and sapoviruses) in swine in Ethiopia.
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H.</au><au>Saif, Linda J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>First detection and molecular characterization of sapoviruses and noroviruses with zoonotic potential in swine in Ethiopia</atitle><jtitle>Archives of virology</jtitle><stitle>Arch Virol</stitle><addtitle>Arch Virol</addtitle><date>2016-10-01</date><risdate>2016</risdate><volume>161</volume><issue>10</issue><spage>2739</spage><epage>2747</epage><pages>2739-2747</pages><issn>0304-8608</issn><eissn>1432-8798</eissn><abstract>Noroviruses (NoVs) and sapoviruses (SaVs), which belong to the family Caliciviridae , are important human and animal enteric pathogens with zoonotic potential. In Ethiopia, no study has been done on the epidemiology of animal NoVs and SaVs. The aim of this study was to detect and characterize NoVs and SaVs from swine of various ages. Swine fecal samples (n = 117) were collected from commercial farms in Ethiopia. The samples were screened for caliciviruses by reverse transcription polymerase chain reaction (RT-PCR) using universal and genogroup-specific primer pairs. Phylogenetic analysis was conducted using a portion of the RNA-dependent RNA polymerase (RdRp) region and the VP1 region of genome sequences of caliciviruses. Among 117 samples, potential caliciviruses were detected by RT-PCR in 17 samples (14.5 %). Of the RT-PCR-positive fecal samples, four were sequenced, of which two were identified as human NoV GII.1 and the other two as porcine SaV GIII. The porcine SaV strains that were detected were genetically related to the porcine enteric calicivirus Cowden strain genogroup III (GIII), which is the prototype porcine SaV strain. No porcine NoVs were detected. Our results showed the presence of NoVs in swine that are most similar to human strains. These findings have important implications for NoV epidemiology and food safety. Therefore, continued surveillance of NoVs in swine is needed to define their zoonotic potential, epidemiology and public and animal health impact. This is the first study to investigate enteric caliciviruses (noroviruses and sapoviruses) in swine in Ethiopia.</abstract><cop>Vienna</cop><pub>Springer Vienna</pub><pmid>27424025</pmid><doi>10.1007/s00705-016-2974-9</doi><tpages>9</tpages></addata></record>
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subjects Animals
Biomedical and Life Sciences
Biomedicine
Caliciviridae
Caliciviridae Infections - veterinary
Caliciviridae Infections - virology
Cluster Analysis
Epidemiology
Ethiopia
Feces
Feces - virology
Genomes
Hogs
Infectious Diseases
Medical Microbiology
Medical research
Norovirus
Norovirus - classification
Norovirus - genetics
Norovirus - isolation & purification
Original Article
Pathogens
Phylogenetics
Phylogeny
Porcine enteric calicivirus
Reverse Transcriptase Polymerase Chain Reaction
RNA polymerase
Sapovirus - classification
Sapovirus - genetics
Sapovirus - isolation & purification
Sequence Analysis, DNA
Sequence Homology
Swine
Swine Diseases - virology
Viral Proteins - genetics
Virology
Zoonoses
title First detection and molecular characterization of sapoviruses and noroviruses with zoonotic potential in swine in Ethiopia
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