Profiling gene expression in the spleen of Atlantic cod, Gadus morhua upon vaccination with Vibrio anguillarum antigen

Caipang, Christopher Marlowe A.; Brinchmann, Monica F.; Kiron, Viswanath

doi:10.1016/j.cbpb.2009.03.005

Cited by 42 publications

(22 citation statements)

References 34 publications

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“…In fish, the innate immune system is considered to be more important than in mammals as the first line of defense against pathogens, and several studies have indicated a more important role of g-type lysozyme in fish compared to mammals. In several fish species, g-type lysozyme is expressed in tissues exposed to the external environment and/or that are involved in the immune response, such as the gills, the head kidney, the intestine, and the liver, and its expression is strongly enhanced upon exposure to bacterial pathogens [40]. Similarly, g-type lysozyme has been linked to innate immune defense in bivalves.…”

Section: Discussionmentioning

confidence: 99%

Identification of a bacterial inhibitor against g-type lysozyme

Vanderkelen

Herreweghe

Vanoirbeek

et al. 2010

Cell. Mol. Life Sci.

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Lysozymes are antibacterial effectors of the innate immune system in animals that hydrolyze peptidoglycan. Bacteria have evolved protective mechanisms that contribute to lysozyme tolerance such as the production of lysozyme inhibitors, but only inhibitors of chicken (c-) and invertebrate (i-) type lysozyme have been identified. We here report the discovery of a novel Escherichia coli inhibitor specific for goose (g-) type lysozymes, which we designate PliG (periplasmic lysozyme inhibitor of g-type lysozyme). Although it does not inhibit c- or i-type lysozymes, PliG shares a structural sequence motif with the previously described PliI and MliC/PliC lysozyme inhibitor families, suggesting a common ancestry and mode of action. Deletion of pliG increased the sensitivity of E. coli to g-type lysozyme. The existence of inhibitors against all major types of animal lysozyme and their contribution to lysozyme tolerance suggest that lysozyme inhibitors may play a role in bacterial interactions with animal hosts.

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Section: Discussionmentioning

confidence: 99%

Identification of a bacterial inhibitor against g-type lysozyme

Vanderkelen

Herreweghe

Vanoirbeek

et al. 2010

Cell. Mol. Life Sci.

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“…anguillarum is widely used as the challenge pathogen for both marine and freshwater fish species (Huttenhuis et al 2006;Kettunen and Fjalestad 2006), but it is known that its pathogenicity varies in respect to the physico-chemical and biological conditions (Kotzamanis et al 2007;Piccininno et al 1996). Sea bass mortalities arising from L. anguillarum challenge and levels of blood proteins were similar in the two experimental systems, indicating that rearing conditions did not greatly influence components of specific and innate immune response involved with the reaction to L. anguillarum (Caipang et al 2009). …”

Section: Pathogen Challenge and Total Blood Proteinsmentioning

confidence: 83%

Fish growth and health aspects of sea bass (Dicentrarchus labrax) reared in standard vs. high rate algal pond recirculation systems

Mladineo

Bočina

Przybyla

et al. 2010

Aquat. Living Resour.

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-Recirculation aquaculture system (RAS) is the type of land-based aquaculture production that interferes the least with the environment, particularly due to low effluent volume and overall water requirement. Water reuse, sometimes limited by the accumulation of waste products excreted by fish, can be improved by incorporating another biotechnical component in the form of high rate algal pond (RAS+HRAP), thus adding to the economy and self sustainability of the system. Our goal was to evaluate whether rearing fish for 1 year in a RAS or RAS+HRAP led to differences in fish production and health, by assessing: (1) fish growth; (2) impact on the morphological structure of sea bass target tissues (liver, kidney, and spleen); (3) susceptibility to monogenean parasites; (4) resistance to pathogen challenge with Listonella anguillarum; and (5) total blood protein. Over the one-year experimental period, sea bass showed no statistical differences in any parameter evaluated, suggesting that there was a satisfactory purification rate in the RAS+HRAP system.

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“…Increased levels of transferrin expression were observed following bacterial infections in rainbow trout [37]. An increase in transferrin gene expression was seen in blood and spleen leukocytes of cod following an intra-peritoneal injection of heat-killed bacteria [43,44]. After infection with Vibrio harveyi, serum transferrin gene expression of the Chinese black sleeper (Bostrichthys sinensis) was found to increase mainly in the liver and stomach, acting as a positive acute protein, suggesting that serum transferrin is involved in the immune response [45].…”

Section: Transferrin As Antimicrobial Agentmentioning

confidence: 99%

Transferrin in fishes: A review article

Asmamaw¹

2016

J Coast Life Med

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Profiling gene expression in the spleen of Atlantic cod, Gadus morhua upon vaccination with Vibrio anguillarum antigen

Cited by 42 publications

References 34 publications

Identification of a bacterial inhibitor against g-type lysozyme

Identification of a bacterial inhibitor against g-type lysozyme

Fish growth and health aspects of sea bass (Dicentrarchus labrax) reared in standard vs. high rate algal pond recirculation systems

Transferrin in fishes: A review article

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