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Pregled bibliografske jedinice broj: 1077801

In vivo and in vitro assessment of host-parasite interaction between the parasitic copepod Brachiella thynni (Copepoda; Lernaeopodidae) and the farmed Atlantic bluefin tuna (Thunnus thynnus)


Lepen Pleić, Ivana; Bušelić, Ivana; Hrabar, Jerko; Šprung, Matilda; Bočina, Ivana; Mladineo, Ivona
In vivo and in vitro assessment of host-parasite interaction between the parasitic copepod Brachiella thynni (Copepoda; Lernaeopodidae) and the farmed Atlantic bluefin tuna (Thunnus thynnus) // Fish & shellfish immunology, 106 (2020), 814-822 doi:10.1016/j.fsi.2020.08.001 (međunarodna recenzija, članak, znanstveni)


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Naslov
In vivo and in vitro assessment of host-parasite interaction between the parasitic copepod Brachiella thynni (Copepoda; Lernaeopodidae) and the farmed Atlantic bluefin tuna (Thunnus thynnus)

Autori
Lepen Pleić, Ivana ; Bušelić, Ivana ; Hrabar, Jerko ; Šprung, Matilda ; Bočina, Ivana ; Mladineo, Ivona

Izvornik
Fish & shellfish immunology (1050-4648) 106 (2020); 814-822

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Atlantic bluefin tuna ; cytokines ; fish parasites ; Copepoda ; parasite protein extracts

Sažetak
The Atlantic bluefin tuna (ABFT ; Thunnus thynnus) today represents one of the economically most important species for Croatian fisheries industry. Although the most diverse and abundant parasitofauna is usually found in the largest specimens of wild ABFT, the opposite was observed in captivity where parasite populations significantly decline by the end of the farming cycle. Copepod Brachiella thynni, is a skin parasite frequently parasitizing tuna, whose population also decreases in number throughout the rearing process. In order to better understand the immunity mechanisms underlying ABFT reaction to B. thynni infection, we studied expression profiles of immunity related genes ; interleukin 1β (il1β), tumour necrosis factors (tnfα1, tnfα2), complement component 4 (c4) and caspase 3 (casp3), in peripheral blood leukocytes (PBLs) during in vitro stimulation by B. thynni protein extracts (i.e. antigens) and in infected tissues at B. thynni parasitation site. Finally, a histopathological analysis of semi-thin and ultra-thin sections of tissues surrounding B. thynii attachment site was performed to evaluate the severity of parasite- induced lesions and identify involved cell lineages. In vitro stimulation of ABFT PBLs with B. thynii antigens caused a dose-depended upregulation of selected genes, among which tnfα1 showed the highest induction by both concentrations of B. thynni protein extract. However, targeted genes were not significantly upregulated in the infected tissue. Also, no significant alterations in ultrastructure of epithelial layers surrounding B. thynii attachment site were noticed, except local tissue erosion, necrosis of squamous epithelium and proliferation of rodlet and goblet cells. Our results suggest that B. thynii has evolved strategies to successfully bypass both innate immune response and the connective- tissue proliferation processes. Therefore, the observed disappearance of this copepod by the end of the rearing process is more likely related to its limited lifespan on the host and its inability to complete the life cycle in the rearing cages, rather than host's reaction.

Izvorni jezik
Engleski

Znanstvena područja
Biologija, Biotehnologija



POVEZANOST RADA


Ustanove:
Prirodoslovno-matematički fakultet, Split

Citiraj ovu publikaciju

Lepen Pleić, Ivana; Bušelić, Ivana; Hrabar, Jerko; Šprung, Matilda; Bočina, Ivana; Mladineo, Ivona
In vivo and in vitro assessment of host-parasite interaction between the parasitic copepod Brachiella thynni (Copepoda; Lernaeopodidae) and the farmed Atlantic bluefin tuna (Thunnus thynnus) // Fish & shellfish immunology, 106 (2020), 814-822 doi:10.1016/j.fsi.2020.08.001 (međunarodna recenzija, članak, znanstveni)
Lepen Pleić, I., Bušelić, I., Hrabar, J., Šprung, M., Bočina, I. & Mladineo, I. (2020) In vivo and in vitro assessment of host-parasite interaction between the parasitic copepod Brachiella thynni (Copepoda; Lernaeopodidae) and the farmed Atlantic bluefin tuna (Thunnus thynnus). Fish & shellfish immunology, 106, 814-822 doi:10.1016/j.fsi.2020.08.001.
@article{article, year = {2020}, pages = {814-822}, DOI = {10.1016/j.fsi.2020.08.001}, keywords = {Atlantic bluefin tuna, cytokines, fish parasites, Copepoda, parasite protein extracts}, journal = {Fish and shellfish immunology}, doi = {10.1016/j.fsi.2020.08.001}, volume = {106}, issn = {1050-4648}, title = {In vivo and in vitro assessment of host-parasite interaction between the parasitic copepod Brachiella thynni (Copepoda; Lernaeopodidae) and the farmed Atlantic bluefin tuna (Thunnus thynnus)}, keyword = {Atlantic bluefin tuna, cytokines, fish parasites, Copepoda, parasite protein extracts} }
@article{article, year = {2020}, pages = {814-822}, DOI = {10.1016/j.fsi.2020.08.001}, keywords = {Atlantic bluefin tuna, cytokines, fish parasites, Copepoda, parasite protein extracts}, journal = {Fish and shellfish immunology}, doi = {10.1016/j.fsi.2020.08.001}, volume = {106}, issn = {1050-4648}, title = {In vivo and in vitro assessment of host-parasite interaction between the parasitic copepod Brachiella thynni (Copepoda; Lernaeopodidae) and the farmed Atlantic bluefin tuna (Thunnus thynnus)}, keyword = {Atlantic bluefin tuna, cytokines, fish parasites, Copepoda, parasite protein extracts} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus
  • MEDLINE


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