4.6 Article

Integrated Proteomic and Transcriptomic Analysis of Differential Expression of Chicken Lung Tissue in Response to NDV Infection during Heat Stress

期刊

GENES
卷 9, 期 12, 页码 -

出版社

MDPI
DOI: 10.3390/genes9120579

关键词

chicken; Newcastle disease virus; RNA-seq; proteomics

资金

  1. US Agency for International Development Feed the Future Innovation Lab for Genomics to Improve Poultry [AID-OAA-A-13-00080]
  2. United States Department of Agriculture, National Institute of Food and Agriculture, Multistate Research Project [NC1170, NC1180, NE1334, NRSP8]
  3. California Agricultural Experimental Station

向作者/读者索取更多资源

Newcastle disease virus (NDV) is a devastating worldwide poultry pathogen with major implications for global food security. In this study, two highly inbred and genetically distinct chicken lines, Fayoumis and Leghorns, were exposed to a lentogenic strain of NDV, while under the effects of heat stress, in order to understand the genetic mechanisms of resistance during high ambient temperatures. Fayoumis, which are relatively more resistant to pathogens than Leghorns, had larger numbers of differentially expressed genes (DEGs) during the early stages of infection when compared to Leghorns and subsequently down-regulated their immune response at the latter stages to return to homeostasis. Leghorns had very few DEGs across all observed time points, with the majority of DEGs involved with metabolic and glucose-related functions. Proteomic analysis corroborates findings made within Leghorns, while also identifying interesting candidate genes missed by expression profiling. Poor correlation between changes observed in the proteomic and transcriptomic datasets highlights the potential importance of integrative approaches to understand the mechanisms of disease response. Overall, this study provides novel insights into global protein and expression profiles of these two genetic lines, and provides potential genetic targets involved with NDV resistance during heat stress in poultry.

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