Article ; Online: Salmonella Gallinarum mgtC mutant shows a delayed fowl typhoid progression in chicken.
2023 Volume 892, Page(s) 147827
Abstract: Salmonella Gallinarum (SG) provokes fowl typhoid, an infectious disease of acute clinical course that affects gallinaceous of any age and leads to high mortality rates. During the typhoid-like systemic infection of S. Typhimurium (STM) in mice, the ... ...
| Abstract | Salmonella Gallinarum (SG) provokes fowl typhoid, an infectious disease of acute clinical course that affects gallinaceous of any age and leads to high mortality rates. During the typhoid-like systemic infection of S. Typhimurium (STM) in mice, the bacterium expresses the mgtC gene, which is encoded in the Salmonella Pathogenecity Island - 3 (SPI-3). In this serovar, the function is linked to bacterial replication within macrophages, and its absence attenuates the pathogen. We hypothesized that deleting mgtC from SG genome would alter the microorganism pathogenicity in susceptible commercial poultry in a similar manner. Thus, the present study sought to elucidate the importance of mgtC on SG pathogenicity. For this, a mgtC-mutant lacking S. Gallinarum mutant was constructed (SG ΔmgtC). Its ability to replicate in medium that mimicries the mgtC-related intracellular environment of macrophages as well as in primary macrophages from chicken was evaluated. Moreover, the infection of susceptible chickens was performed to elucidate its pathogenicity and the elicited immune responses by measuring key interleukins by qRT-PCR and the population of macrophages and lymphocytes T CD4 |
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| MeSH term(s) | Animals ; Mice ; Chickens/microbiology ; Salmonella enterica/genetics ; Typhoid Fever ; Salmonella Infections, Animal ; Salmonella/genetics ; Poultry Diseases/genetics ; Mammals |
| Language | English |
| Publishing date | 2023-09-23 |
| Publishing country | Netherlands |
| Document type | Journal Article |
| ZDB-ID | 391792-7 |
| ISSN | 1879-0038 ; 0378-1119 |
| ISSN (online) | 1879-0038 |
| ISSN | 0378-1119 |
| DOI | 10.1016/j.gene.2023.147827 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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