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Genomic analysis of isolated from surface water and animal sources in Chile reveals new T6SS effector protein candidates.
Front Microbiol
December 2024
Núcleo de Investigación en One Health, Facultad de Medicina Veterinaria y Agronomía, Universidad de Las Américas, Santiago, Chile.
Type VI Secretion Systems (T6SS), widely distributed in Gram-negative bacteria, contribute to interbacterial competition and pathogenesis through the translocation of effector proteins to target cells. harbor 5 pathogenicity islands encoding T6SS (SPI-6, SPI-19, SPI-20, SPI-21 and SPI-22), in which a limited number of effector proteins have been identified. Previous analyses by our group focused on the identification of candidate T6SS effectors and cognate immunity proteins in genomes deposited in public databases.
View Article and Find Full Text PDFResearch Note: Evaluation of selected chlorhexidine salts/product and/or cetylpyridinium chloride as potential pre-slaughter crop disinfection agents using an in vitro assay simulating crop contents.
Poult Sci
December 2024
Department of Poultry Science, University of Arkansas Division of Agriculture, Fayetteville 72701, USA.
Salmonellae remain a prominent issue for poultry products regarding food safety. A predominant source of broiler carcass contamination at processing is from crop rupturing and subsequent contamination of the carcass during evisceration. Chlorhexidine (CHX) salts are commonly used in dental products for their antimicrobial capabilities.
View Article and Find Full Text PDFResearch note: Reduction of Salmonella enterica in simulated wastewater using electrochemical and photochemical processes.
Poult Sci
December 2024
Department of Poultry Science, University of Arkansas, Fayetteville, AR 72701, United States. Electronic address:
Salmonella is a poultry-borne pathogen causing numerous human outbreaks in the U.S. Consequently, Salmonella, along with other pathogens, can be found in wastewater generated from poultry processing.
View Article and Find Full Text PDFResearch Note: Reduction of Salmonella load in Brazilian commercial chicken farms using INSPEKTOR®: a bacteriophage-based product.
Poult Sci
November 2024
PhageLab Chile SpA, Vicuña Mackenna 4860, Centro de Innovación Anacleto Angelini 5th floor, Santiago, Chile.. Electronic address:
Salmonella is a zoonotic pathogen transmitted through food and one of the four leading global causes of diarrheal disease in humans. Brazil is the world's largest exporter of poultry meat, and as such, Brazilian farms routinely detect and prevent Salmonella. The last official monitoring and control in poultry slaughter establishments in Brazil in 2023 detected Salmonella spp.
View Article and Find Full Text PDFResearch note: Study on the characteristics of Salmonella typhimurium derived from Larus vegae.
Poult Sci
December 2024
Hebei Normal University Of Science & Technology, College of Animal Science and Technology, Qinhuangdao, Hebei, 066000, China. Electronic address:
Samples of four dead Larus vegae along the coast of Beidaihe, Qinhuangdao City, were identified by PCR amplification, multi-sequence site typing (MLST), and serum agglutination test. The drug resistance phenotype, drug resistance gene, and virulence gene were detected by the Kirby-Bauer (K-B) method and PCR method, and the pathogenicity of mice and pigeons was further tested. The phylogenetic tree was constructed by whole genome sequencing and bioinformatics analysis.
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