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001-es BibID:	BIBFORM118511
035-os BibID:	(WoS)001028622300001 (Scopus)85165039685 (cikkazonosító)2137
Első szerző:	Gál Bence
Cím:	Marked Genotype Diversity among Reoviruses Isolated from Chicken in Selected East-Central European Countries / Bence Gál, Renáta Varga-Kugler, Katalin Ihász, Eszter Kaszab, Marianna Domán, Szilvia Farkas, Krisztián Bányai
Dátum:	2023
ISSN:	2076-2615
Megjegyzések:	The concern that the vaccines currently used against Avian orthoreovirus (ARV) infections are less efficient in the field justifies the need for the close monitoring of circulating ARV strains. In this study, we collected necropsy samples from various chicken breeds and tested for ARV by virus isolation, RT-PCR assay and sequence analysis. ARVs were isolated from birds showing runting-stunting syndrome, uneven growth, lameness or increased mortality, with relative detection rates of 38%, 35%, 6% and 25%, respectively. Partial ?C gene sequences were determined for nearly 90% of ARV isolates. The isolates could be classified into one of the major genetic clusters. Interestingly, cluster 2 and cluster 5 were isolated from vaccinated broiler breeders, while clusters 1 to 4 were isolated from unvaccinated broilers. The isolates shared less than 75% amino acid identities with the vaccine strains (range, 44.3?74.6%). This study reaffirms the global distribution of the major genetic clusters of ARVs in chicken. The diversity of ARV strains isolated from unvaccinated broilers was greater than those detected from vaccinated animals, however, the relative importance of passive and active immunity on the selection of novel strains in different chicken breeds needs to be better understood.
Tárgyszavak:	Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk
Megjelenés:	Animals. - 13 : 13 (2023), p. 1-13. -
További szerzők:	Varga-Kugler Renáta Ihász Katalin Kaszab Eszter (1989-) (biológus) Domán Marianna (1987-) (biológus) Farkas Szilvia Bányai Krisztián
Internet cím:	Szerző által megadott URL DOI Intézményi repozitóriumban (DEA) tárolt változat
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