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A transcriptomic study reveals that fish vibriosis due to Vibrio vulnificus is an acute inflammatory disease in which erythrocytes may play an important role.

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A transcriptomic study reveals that fish vibriosis due to Vibrio vulnificus is an acute inflammatory disease in which erythrocytes may play an important role.

dc.contributor.author	Hernández Cabañero, Carla
dc.contributor.author	Sanjuán Caro, Eva
dc.contributor.author	Vallejos Vidal, Eva Carolina
dc.contributor.author	Reyes Lopez, Felipe
dc.contributor.author	Tort Bardolet, Lluís
dc.contributor.author	Amaro González, Carmen
dc.date.accessioned	2023-05-29T14:43:14Z
dc.date.available	2023-05-29T14:43:14Z
dc.date.issued	2022
dc.identifier.citation	Hernández Cabañero, Carla Sanjuán Caro, Eva Vallejos Vidal, Eva Carolina Reyes Lopez, Felipe Tort Bardolet, Lluís Amaro González, Carmen 2022 A transcriptomic study reveals that fish vibriosis due to Vibrio vulnificus is an acute inflammatory disease in which erythrocytes may play an important role. Frontiers In Microbiology 13
dc.identifier.uri	https://hdl.handle.net/10550/87073
dc.description.abstract	Vibrio vulnificus is a marine zoonotic pathogen associated with fish farms that is considered a biomarker of climate change. Zoonotic strains trigger a rapid death of their susceptible hosts (fish or humans) by septicemia that has been linked to a cytokine storm in mice. Therefore, we hypothesize that V. vulnificus also causes fish death by triggering a cytokine storm in which red blood cells (RBCs), as nucleated cells in fish, could play an active role. To do it, we used the eel immersion infection model and then analyzed the transcriptome in RBCs, white BCs, and whole blood using an eel-specific microarray platform. Our results demonstrate that V. vulnificus triggers an acute but atypical inflammatory response that occurs in two main phases. The early phase (3 h post-infection [hpi]) is characterized by the upregulation of several genes for proinflammatory cytokines related to the mucosal immune response (il17a/f1 and il20) along with genes for antiviral cytokines (il12β) and antiviral factors (ifna and ifnc). In contrast, the late phase (12 hpi) is based on the upregulation of genes for typical inflammatory cytokines (il1β), endothelial destruction (mmp9 and hyal2), and, interestingly, genes related to an RNA-based immune response (sidt1). Functional assays revealed significant proteolytic and hemolytic activity in serum at 12 hpi that would explain the hemorrhages characteristic of this septicemia in fish. As expected, we found evidence that RBCs are transcriptionally active and contribute to this atypical immune response, especially in the short term. Based on a selected set of marker genes, we propose here an in vivo RT-qPCR assay that allows detection of early sepsis caused by V. vulnificus. Finally, we develop a model of sepsis that could serve as a basis for understanding sepsis caused by V. vulnificus not only in fish but also in humans.
dc.language.iso	eng
dc.relation.ispartof	Frontiers In Microbiology, 2022, vol. 13
dc.subject	Peix
dc.subject	Canvis climàtics
dc.title	A transcriptomic study reveals that fish vibriosis due to Vibrio vulnificus is an acute inflammatory disease in which erythrocytes may play an important role.
dc.type	journal article
dc.date.updated	2023-05-29T14:43:15Z
dc.identifier.doi	10.3389/fmicb.2022.852677
dc.identifier.idgrec	159519
dc.rights.accessRights	open access