Complete genome analysis of African swine fever virus responsible for outbreaks in domestic pigs in 2018 in Burundi and 2019 in Malawi.

African Swine Fever / epidemiology African Swine Fever Virus / genetics Animals Burundi / epidemiology Disease Outbreaks / veterinary Malawi / epidemiology Phylogeny Sus scrofa Swine Swine Diseases Tanzania
African swine fever virus Asfarviridae Burundi Domestic pig Malawi Whole-genome sequencing

Journal

Tropical animal health and production
ISSN: 1573-7438
Titre abrégé: Trop Anim Health Prod
Pays: United States
ID NLM: 1277355

Informations de publication

Date de publication:
17 Aug 2021
Historique:
received: 24 04 2021
accepted: 30 07 2021
entrez: 17 8 2021
pubmed: 18 8 2021
medline: 20 8 2021
Statut: epublish

Résumé

Several African swine fever (ASF) outbreaks in domestic pigs have been reported in Burundi and Malawi and whole-genome sequences of circulating outbreak viruses in these countries are limited. In the present study, complete genome sequences of ASF viruses (ASFV) that caused the 2018 outbreak in Burundi (BUR/18/Rutana) and the 2019 outbreak in Malawi (MAL/19/Karonga) were produced using Illumina next-generation sequencing (NGS) platform and compared with other previously described ASFV complete genomes. The complete nucleotide sequences of BUR/18/Rutana and MAL/19/Karonga were 176,564 and 183,325 base pairs long with GC content of 38.62 and 38.48%, respectively. The MAL/19/Karonga virus had a total of 186 open reading frames (ORFs) while the BUR/18/Rutana strain had 151 ORFs. After comparative genomic analysis, the MAL/19/Karonga virus showed greater than 99% nucleotide identity with other complete nucleotides sequences of p72 genotype II viruses previously described in Tanzania, Europe and Asia including the Georgia 2007/1 isolate. The Burundian ASFV BUR/18/Rutana exhibited 98.95 to 99.34% nucleotide identity with genotype X ASFV previously described in Kenya and in Democratic Republic of the Congo (DRC). The serotyping results classified the BUR/18/Rutana and MAL/19/Karonga ASFV strains in serogroups 7 and 8, respectively. The results of this study provide insight into the genetic structure and antigenic diversity of ASFV strains circulating in Burundi and Malawi. This is important in order to understand the transmission dynamics and genetic evolution of ASFV in eastern Africa, with an ultimate goal of designing an efficient risk management strategy against ASF transboundary spread.

Identifiants

DOI: 10.1007/s11250-021-02877-y PMID: 34402985 PMC: PMC8368048
pubmed: 34402985
doi: 10.1007/s11250-021-02877-y
pii: 10.1007/s11250-021-02877-y
pmc: PMC8368048
doi:

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

438

Subventions

Organisme : International Foundation for Science
ID : B_6269-1

Informations de copyright

© 2021. The Author(s).

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Auteurs

Jean N Hakizimana (JN)

SACIDS Africa Centre of Excellence for Infectious Diseases, SACIDS Foundation for One Health, Sokoine University of Agriculture, PO Box 3297, Morogoro, Tanzania.
Department of Veterinary Microbiology, Parasitology and Biotechnology, College of Veterinary Medicine and Biomedical Sciences, Sokoine University of Agriculture, PO Box 3019, Morogoro, Tanzania.

Jean B Ntirandekura (JB)

Department of Animal Health and Productions, University of Burundi, PO Box 1550, Bujumbura, Burundi.

Clara Yona (C)

SACIDS Africa Centre of Excellence for Infectious Diseases, SACIDS Foundation for One Health, Sokoine University of Agriculture, PO Box 3297, Morogoro, Tanzania.
Department of Biosciences, Solomon Mahlangu College of Science and Education, Sokoine University of Agriculture, PO Box 3038, Morogoro, Tanzania.

Lionel Nyabongo (L)

National Veterinary Laboratory of Burundi, PO Box 227, Bujumbura, Burundi.

Gladson Kamwendo (G)

Department of Animal Health and Livestock Development, Ministry of Agriculture, Irrigation and Water Development, PO Box 2096, Lilongwe, Malawi.

Julius L C Chulu (JLC)

Department of Animal Health and Livestock Development, Ministry of Agriculture, Irrigation and Water Development, PO Box 2096, Lilongwe, Malawi.

Désiré Ntakirutimana (D)

National Veterinary Laboratory of Burundi, PO Box 227, Bujumbura, Burundi.

Olivier Kamana (O)

Department of Applied Research and Development and Foresight Incubation, National Industrial Research and Development Agency, PO Box 273, Kigali, Rwanda.

Hans Nauwynck (H)

Laboratory of Virology, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, 9820, Merelbeke, Belgium.

Gerald Misinzo (G)

SACIDS Africa Centre of Excellence for Infectious Diseases, SACIDS Foundation for One Health, Sokoine University of Agriculture, PO Box 3297, Morogoro, Tanzania. gerald.misinzo@sacids.org.
Department of Veterinary Microbiology, Parasitology and Biotechnology, College of Veterinary Medicine and Biomedical Sciences, Sokoine University of Agriculture, PO Box 3019, Morogoro, Tanzania. gerald.misinzo@sacids.org.
ORCID: 0000-0003-1827-6403

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Classifications MeSH

questionsmedicales.fr › Maladies de l'animal › Maladies des porcs › Peste porcine africaine › Complete genome analysis of African swine...
questionsmedicales.fr › Virus › Virus à ADN › Asfarviridae › Virus de la peste porcine africaine › Complete genome analysis of African swine...
questionsmedicales.fr › Eucaryotes › Animaux › Complete genome analysis of African swine...
questionsmedicales.fr › Régions géographiques › Afrique › Afrique subsaharienne › Afrique de l'Est › Burundi › Complete genome analysis of African swine...
questionsmedicales.fr › Environnement et santé publique › Santé publique › Épidémies de maladies › Complete genome analysis of African swine...
questionsmedicales.fr › Régions géographiques › Afrique › Afrique subsaharienne › Afrique australe › Malawi › Complete genome analysis of African swine...
questionsmedicales.fr › Sciences de l'information › Phylogenèse › Complete genome analysis of African swine...
questionsmedicales.fr › Eucaryotes › Animaux › Chordés › Vertébrés › Mammifères › Eutheria › Artiodactyla › Suidae › Sus scrofa › Complete genome analysis of African swine...
questionsmedicales.fr › Eucaryotes › Animaux › Chordés › Vertébrés › Mammifères › Eutheria › Artiodactyla › Suidae › Complete genome analysis of African swine...
questionsmedicales.fr › Maladies de l'animal › Maladies des porcs › Complete genome analysis of African swine...
questionsmedicales.fr › Régions géographiques › Afrique › Afrique subsaharienne › Afrique de l'Est › Tanzanie › Complete genome analysis of African swine...