Genomic-scale analysis of Pasteurella multocida gene expression during growth within liver tissue of chickens with fowl cholera

John D. Boyce, Ian Wilkie, Marina Harper, Mike L. Paustian, Vivek Kapur, Ben Adler

Research output: Contribution to journalArticlepeer-review

30 Scopus citations

Abstract

We have recently reported the gene expression profile of Pasteurella multocida during growth in the blood of chickens with fowl cholera (Infect. Immun. 70 (2002) 6871). Here we report the gene expression profile of P. multocida during growth in the livers of similarly infected chickens. We compared expression profiles of bacteria harvested from the livers of infected chickens with late-stage fowl cholera with those of bacteria grown in rich medium. Independent analysis of bacterial expression profiles from three individual chickens indicated that 93 P. multocida genes were always differentially expressed during growth in liver tissue. Of these 93 genes, 49 were upregulated and 44 downregulated in the host. Many of the upregulated genes were involved in energy production and conversion (9/49) and carbohydrate transport and metabolism (8/49), and a number of these have been shown to be induced under anaerobic conditions in other species. The downregulated genes were generally of unknown or poorly characterised functions (14/44). Comparison of the differentially regulated gene sets identified for growth in liver with those identified previously for growth in blood allowed the identification of a core set of 13 upregulated and 16 downregulated genes that were differentially regulated in at least five of the six infections studied.

Original languageEnglish (US)
Pages (from-to)290-298
Number of pages9
JournalMicrobes and Infection
Volume6
Issue number3
DOIs
StatePublished - Mar 2004

All Science Journal Classification (ASJC) codes

  • Microbiology
  • Immunology
  • Infectious Diseases

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