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Identification of novel reassortant mammalian orthoreoviruses from bats in Slovenia
ID Mikuletič, Tina (Avtor), ID Černe, Danijela (Avtor), ID Hostnik, Peter (Avtor), ID Toplak, Nataša (Avtor), ID Koren, Simon (Avtor), ID Kuhar, Urška (Avtor), ID Jamnikar Ciglenečki, Urška (Avtor), ID Kutnjak, Denis (Avtor), ID Steyer, Andrej (Avtor)

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Izvleček
Background: Recently, mammalian orthoreoviruses (MRVs) were detected for the first time in European bats, and the closely related strain SI-MRV01 was isolated from a child with severe diarrhoea in Slovenia. Genetically similar strains have also been reported from other mammals, which reveals their wide host distribution. The aim of this study was to retrospectively investigate the occurrence and genetic diversity of MRVs in bats in Slovenia, from samples obtained throughout the country in 2008 to 2010, and in 2012 and to investigate the occurrence of the novel SI-MRV01 MRV variant in Slovenian bats. Results: The detection of MRVs in bat guano was based on broad-range RT-PCR and specific bat MRV real-time RT-PCR. Subsequently, MRV isolates were obtained from cell culture propagation, with detailed molecular characterisation through whole-genome sequencing. Overall, bat MRVs were detected in 1.9% to 3.8% of bats in 2008, 2009 and 2012. However, in 2010 the prevalence was 33.0%, which defined an outbreak of the single SI-MRV01 strain. Here, we report on the identification of five MRV isolates of different serotypes that are designated as SI-MRV02, SI-MRV03, SI-MRV04, SI-MRV05 and SI-MRV06. There is high genetic variability between these characterised isolates, with evident genome reassortment seen across their genome segments. Conclusions: In conclusion, we have confirmed the presence of the SI-MRV01 strain in a Slovenian bat population. Moreover, according to genetic characterisation of S1 genome segment, all three MRV serotypes were present in the bat population. In this study, five independent MRV isolates were obtained and detailed whole genome analysis revealed high diversity between them. This study generates new information about the epidemiology and molecular characteristics of emerging bat MRV variants, and provides important molecular data for further studies of their pathogenesis and evolution.

Jezik:Angleški jezik
Ključne besede:bats, genome reassortment, mammalian orthoreovirus, whole genome sequencing
Vrsta gradiva:Članek v reviji
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:MF - Medicinska fakulteta
VF - Veterinarska fakulteta
Status publikacije:Objavljeno
Različica publikacije:Objavljena publikacija
Leto izida:2018
Št. strani:10 str.
Številčenje:Vol. 14, art. 264
PID:20.500.12556/RUL-128741 Povezava se odpre v novem oknu
UDK:575.111
ISSN pri članku:1746-6148
DOI:10.1186/s12917-018-1585-y Povezava se odpre v novem oknu
COBISS.SI-ID:33906649 Povezava se odpre v novem oknu
Datum objave v RUL:27.07.2021
Število ogledov:858
Število prenosov:150
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
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Gradivo je del revije

Naslov:BMC veterinary research
Založnik:Springer Nature
ISSN:1746-6148
COBISS.SI-ID:515674393 Povezava se odpre v novem oknu

Licence

Licenca:CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
Povezava:http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.
Začetek licenciranja:03.09.2018

Sekundarni jezik

Jezik:Slovenski jezik
Ključne besede:netopirji, preureditev gena, ortoreovirus sesalcev, sekvenciranje celotnega genoma

Projekti

Financer:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:P3-0083
Naslov:Odnosi parazitskega obstajanja

Financer:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:P4-0092
Naslov:Zdravje živali, okolje in varna hrana

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