Study a natural co-infection case of Largemouth bass ranavirus, <em>Aeromonas vickert</em>, and <em>Aeromonas hydrophila</em> in <em>Micropterus salmoides</em>

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dc.contributor.authorLi, Yankai
dc.contributor.authorWei, Wenyan
dc.contributor.authorWu, Jianing
dc.contributor.authorLiu, Shuya
dc.contributor.authorRen, Yonngiang
dc.contributor.authorHuang, Xiaoli
dc.contributor.authorChen, Defang
dc.contributor.authorGeng, Yi
dc.contributor.authorOuyang, Ping
dc.date.accessioned2023-10-11T23:37:54Z
dc.date.available2023-10-11T23:37:54Z
dc.date.issued2023
dc.description.abstractThe largemouth bass (LMB) is a significant aquaculture species widely cultivated in China. High-density culture has led to an increased susceptibility of LMB to infection by the opportunistic bacterium Aeromonas. This study investigates a case of natural co-infection with the Largemouth bass ranavirus (LMBV), <em>Aeromonas veronii</em>, and <em>Aeromonas hydrophila</em> in Sichuan Province, China. To identify the causative agents of the infection, two bacterial strains were isolated from diseased LMB specimens and identified through 16S rRNA sequencing as <em>Aeromonas vickert</em> and <em>Aeromonas hydrophila</em>, both of which are gram-negative bacteria. The infection of LMBV was confirmed through polymerase chain reaction (PCR) analysis of tissue samples from the infected fish. After two blind passes of the virus fluid, the typical cytopathological effect (CPE) can be observed. Phylogenetic analysis of the virus sequences showed the highest similarity with LMBV isolates (ON418985 and MW630113) from Guangdong Province, China. This study offers important insights into diagnosing mixed infections in LMB and provides a reference for future research.
dc.format.extentnull pages
dc.identifier.doihttps://doi.org/10.46989/001c.88364
dc.identifier.issn0792-156X
dc.identifier.urihttps://hdl.handle.net/10524/72952
dc.relation.ispartofThe Israeli Journal of Aquaculture - Bamidgeh
dc.subjectLargemouth bass
dc.subjectanavirus
dc.subjectco-infection
dc.subjectAeromonas
dc.titleStudy a natural co-infection case of Largemouth bass ranavirus, <em>Aeromonas vickert</em>, and <em>Aeromonas hydrophila</em> in <em>Micropterus salmoides</em>
dc.typeArticle
dc.type.dcmiText
dspace.entity.type
prism.volume75

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Volume 75, Issue 2, 2023