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001-es BibID:	BIBFORM118531
035-os BibID:	(Scopus)85084007052 (WoS)000530731300010
Első szerző:	Kaszab Eszter (biológus)
Cím:	Occurrence and genetic diversity of CRESS DNA viruses in wild birds : a Hungarian study / eszter Kaszab, György Lengyel, Szilvia Marton, Ádám Dán, Krisztián Bányai, Enikő fehér
Dátum:	2020
ISSN:	2045-2322
Megjegyzések:	Circoviruses, cycloviruses and other circular, replication-associated protein-encoding single stranded (CRESS) DNA viruses have been detected in a variety of animal taxa. In this study, cloacal swab samples (n?=?90) were examined for CRESS DNA viruses from 31 wild bird species living at various aquatic sites in Hungary to identify possible reservoirs of viruses pathogenic to domestic poultry. A total of 30 (33.3%) specimens tested positive with pan-CRESS DNA virus specific PCR. Goose circovirus (GoCV), Duck associated cyclovirus 1 (DuACyV-1) and Garrulus glandarius associated circular virus 1 (GgaCV-1) were detected in nine, three and two different bird species, respectively. Selected specimens were subjected to whole genome sequencing. The obtained sequence data revealed conserved gene structure within the identified virus species and detected homologous (within GoCV) and possible heterologous recombination (within DuACyV-1) events. Results presented here provide new information on the genomic diversity and evolution of selected CRESS DNA viruses.
Tárgyszavak:	Természettudományok Biológiai tudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk
Megjelenés:	Scientific Reports. - 10 : 1 (2020), p. 1-10. -
További szerzők:	Lengyel György Marton Szilvia Dán Ádám Bányai Krisztián (virológus) Fehér Enikő (1981-) (molekuláris biológus, mikrobiológus)
Internet cím:	Szerző által megadott URL DOI Intézményi repozitóriumban (DEA) tárolt változat
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001-es BibID:	BIBFORM118490
035-os BibID:	(WoS)000543970700001 (Scopus)85086701113
Első szerző:	Kaszab Eszter (biológus)
Cím:	Publisher Correction: Occurrence and genetic diversity of CRESS DNA viruses in wild birds: a Hungarian study (Scientific Reports, (2020), 10, 1, (7036), 10.1038/s41598-020-63795-x) / Eszter Kaszab, György Lengyel, Szilvia Marton, Ádám Dán, Krisztián Bányai, Enikő fehér
Dátum:	2020
ISSN:	2045-2322
Megjegyzések:	Circoviruses, cycloviruses and other circular, replication-associated protein-encoding single stranded (CRESS) DNA viruses have been detected in a variety of animal taxa. In this study, cloacal swab samples (n?=?90) were examined for CRESS DNA viruses from 31 wild bird species living at various aquatic sites in Hungary to identify possible reservoirs of viruses pathogenic to domestic poultry. A total of 30 (33.3%) specimens tested positive with pan-CRESS DNA virus specific PCR. Goose circovirus (GoCV), Duck associated cyclovirus 1 (DuACyV-1) and Garrulus glandarius associated circular virus 1 (GgaCV-1) were detected in nine, three and two different bird species, respectively. Selected specimens were subjected to whole genome sequencing. The obtained sequence data revealed conserved gene structure within the identified virus species and detected homologous (within GoCV) and possible heterologous recombination (within DuACyV-1) events. Results presented here provide new information on the genomic diversity and evolution of selected CRESS DNA viruses.
Tárgyszavak:	Természettudományok Biológiai tudományok hozzászólás folyóiratcikk
Megjelenés:	Scientific Reports. - 10 : 1 (2020), p. 10301. -
További szerzők:	Lengyel György Marton Szilvia Dán Ádám Bányai Krisztián (virológus) Fehér Enikő (1981-) (molekuláris biológus, mikrobiológus)
Internet cím:	Szerző által megadott URL DOI Intézményi repozitóriumban (DEA) tárolt változat
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001-es BibID:	BIBFORM135880
Első szerző:	Kincses-Jánosi Katalin
Cím:	Characterisation of Salmonella Typhimurium from a fatal equine nosocomial outbreak and retrospective analysis of equine clinic salmonellosis cases (2010-2025) / Katalin K-Jánosi, Anita Sztojka, István Emil Kis, Imre Biksi, Zoltán Bakos, Eszter Kaszab, Tünde Mag, Ervin Albert
Dátum:	2026
ISSN:	2045-2322
Megjegyzések:	In 2024, a highly fatal outbreak of equine salmonellosis occurred in a Hungarian equine referral hospital, resulting in the death or euthanasia of four out of five affected horses. Salmonella (S.) enterica subsp. enterica serovar Typhimurium was identified as the primary causative agent from equine faecal, reflux, and post-mortem intestinal content samples, while one case involved S. Coeln. Extensive environmental sampling during the outbreak also yielded multiple Salmonella serovars. Whole-genome sequencing revealed a high degree of genetic relatedness among the S. Typhimurium isolates, confirming nosocomial transmission. The source of the isolated S. Typhimurium was most likely a 3-year-old gelding imported immediately before the admission to the hospital. The isolates belonged to sequence type ST376 and exhibited multidrug resistance, including extended-spectrum ?-lactamase and fluoroquinolone resistance genes. Retrospective analysis of microbiological records from 2010 to mid-2024 identified 23 Salmonella-positive equine cases involving eight serovars and three probable nosocomial clusters preceding the 2024 outbreak. Following the outbreak, enhanced passive surveillance was implemented between October 2024 and August 2025. During this period, 56 at-risk horses were examined using selective bacteriological testing of clinical and post-mortem samples, of which 11 (19.6%) were Salmonella-positive, representing eight different serovars. A distinct cluster of S. Martonos was detected, and six of the surveillance-associated cases resulted in fatal outcomes. These findings demonstrate that Salmonella is repeatedly introduced into the equine hospital environment and that serovars differ markedly in virulence and transmission dynamics. The exceptionally high case fatality observed during the 2024 outbreak underscores the importance of integrated genomic surveillance, rapid diagnostics, and sustained infection control measures to mitigate the risk of severe nosocomial salmonellosis in equine clinics.
Tárgyszavak:	Agrártudományok Állatorvosi tudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk equine salmonellosis high case fatality Salmonella Typhimurium ESBL WGS
Megjelenés:	Scientific Reports. - [Epub ahead of print] (2026). -
További szerzők:	Sztojka Anita Kis István Emil Biksi Imre Bakos Zoltán Kaszab Eszter (1989-) (biológus) Mag Tünde Albert Ervin (1988-) (állatorvos)
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