MassIVE MSV000089947

Partial Public

Proteomic Analysis of the effect of Salmonella challenge on Broiler chicken

Description

Salmonella enteritidis (SE) is a foodborne pathogen that causes high morbidity and mortality rates in poultry. Liquid chromatography tandem mass spectrometry (LC-MS/MS) proteomics was used to study the effects of Salmonella infection on spleen proteome in broiler chicks. Control (CON; n=60) or Salmonella challenged (CON-SE; n=60) broilers were gavaged with sterile Tryptic soy agar broth or 7.46 x 108 colony-forming units (CFU) of SE. Weight gain and feed intake between 1 and 14 d post-hatching was determined. A subset of chicks was euthanized on D3 and D7 of age (n=4/group/day) and spleen was aseptically removed, and used for proteomic analysis. There was no difference in growth performance between CON and CON-SE. Across the 16 spleen samples 2625 proteins were measured of which 360 proteins were DAP between D3 and D7. Proteins decreased in abundance between days mediated cell cycle progression, those increased in abundance function in cytoskeleton and mRNA processing. Salmonella infection influenced the abundance of 216 proteins (FDR <0.05); increasing proteins involved in redox homeostasis, lysosomal activities, and energy production, while decreasing abundance of proteins involved in developmental progression. Although SE infection did not affect growth performance of experimental chicks, the proteomics signatures of spleen suggest infection was metabolically costly, and energy was diverted from normal developmental processes to potentiate disease resistance mechanisms. [doi:10.25345/C59882R75] [dataset license: CC0 1.0 Universal (CC0 1.0)]

Keywords: Salmonella enteritidis, Infection, Spleen, Proteome, Broiler Chicken

Contact

Principal Investigators:
(in alphabetical order)
Yewande O Fasina, North Carolina Agricultural and Technology University, United States
Submitting User: uma_aryal
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