Unravelling the relationship between animal growth and immune response during micro-parasitic infections
Ημερομηνία
2009Λέξη-κλειδί
Επιτομή
Background: Both host genetic potentials for growth and disease resistance, as well as nutrition are known to affect responses of individuals challenged with micro-parasites, but their interactive effects are difficult to predict from experimental studies alone. Methodology/Principal Findings: Here, a mathematical model is proposed to explore the hypothesis that a host's response to pathogen challenge largely depends on the interaction between a host's genetic capacities for growth or disease resistance and the nutritional environment. As might be expected, the model predicts that if nutritional availability is high, hosts with higher growth capacities will also grow faster under micro-parasitic challenge, and more resistant animals will exhibit a more effective immune response. Growth capacity has little effect on immune response and resistance capacity has little effect on achieved growth. However, the influence of host genetics on phenotypic performance changes drastically if nutrient availability is scarce. In this case achieved growth and immune response depend simultaneously on both capacities for growth and disease resistance. A higher growth capacity (achieved e.g. through genetic selection) would be detrimental for the animal's ability to cope with pathogens and greater resistance may reduce growth in the short-term. Significance: Our model can thus explain contradicting outcomes of genetic selection observed in experimental studies and provides the necessary biological background for understanding the influence of selection and/or changes in the nutritional environment on phenotypic growth and immune response. © 2009 Doeschl-Wilson et al.
Collections
Related items
Showing items related by title, author, creator and subject.
-
Transcriptome Analysis Identifies Immune Markers Related to Visceral Leishmaniasis Establishment in the Experimental Model of BALB/c Mice
Agallou M., Athanasiou E., Kammona O., Tastsoglou S., Hatzigeorgiou A.G., Kiparissides C., Karagouni E. (2019)Visceral leishmaniasis (VL) caused by Leishmania donovani and L. infantum is a potentially fatal disease. To date there are no registered vaccines for disease prevention despite the fact that several vaccines are in ... -
Impairment in selenocysteine synthesis as a candidate mechanism of inducible coagulopathy in COVID-19 patients
Vavougios G.D., Ntoskas K.T., Doskas T.K. (2021)Coagulopathy has recently been recognized as a recurring complication of COVID-19, most typically associated with critical illness. There are epidemiological, mechanistic and transcriptomic evidence that link Selenium with ... -
Efficacy of an AS03 A-adjuvanted split H5N1 influenza vaccine against an antigenically distinct low pathogenic H5N1 virus in pigs
De Vleeschauwer, A. R.; Baras, B.; Kyriakis, C. S.; Jacob, V.; Planty, C.; Giannini, S. L.; Mossman, S.; Van Reeth, K. (2012)We used the pig model of influenza to examine the efficacy of an AS03 A-adjuvanted split H5N1 (A/Indonesia/05/2005) vaccine against challenge with a low pathogenic (LP) H5N1 avian influenza (AI) virus (duck/Minnesota/1525/1981) ...