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Salmonella Pullorum from an outbreak among Swedish hobby chickens, 2012

ABSTRACT: Diagnostics, epidemiological observations and genomic subtyping in an outbreak of pullorum disease in non-commercial chickens

PROVIDER: PRJEB22109 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	ERR2092970_1.fastq.gz	Fastqsanger.gz
	ERR2092970_2.fastq.gz	Fastqsanger.gz
	ERR2092965_1.fastq.gz	Fastqsanger.gz
	ERR2092965_2.fastq.gz	Fastqsanger.gz
	ERR2092966_1.fastq.gz	Fastqsanger.gz

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Expression profiles in different stages of the immune response to Salmonella enterica Pullorum in the chicken spleen

Project description:Salmonella enterica Pullorum（S. Pullorum） is one of the most important pathogens in poultry. A better understanding of the immune response and molecular modulation resulting from infection by S. Pullorum will facilitates the control of this pathogen. In this study, we determined the relationships among identified differential expressed genes (DEGs) and pathways via deeply mining microarray data from Guangxi Huang Chicken challenged with S. Pullorum.

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Next Generation Sequencing of ileum in broiler infected with S. pullorum

Project description:This study was conducted to evaluate the effects of dietary supplemental magnolol and honokiol in broilers infected with S. pullorum. A total of 360 one-day-old broilers were selected and randomly divided into four groups with six replicates: the negative control group (CTL), S. pullorum-infected group (SP), and the S. pullorum-infected group supplemented with 300 mg/kg honokiol (SPH) or magnolol (SPM). Chicks in the SP, SPH, and SPM groups were orally treated with a 0.5 ml (4×108 CFU/mL) S. pullorum solution at 5 days of age, while chicks in the control (CTL) group received the same amount of sterilized PBS at the same age.At 14 and 21 days of age, one chick from each replicate was randomly selected to be weighed and slaughtered by jugular exsanguination after a 12-h fasting period. The ileum samples were collected to analyze the differential expression genes.

2021-08-18 | GSE164260 | GEO

Prediction of Non-Coding sRNAs and Screening of Virulence-Related sRNAs of Salmonella Pullorum

Project description:Purpose: Searching for sRNAs in Salmonella pullorum by RNA sequencing and exploring their functions.Methods: High-throughput sequencing of RNA extracted from Salmonella pullorum under normal growth conditions to detect newly discovered sRNAs, followed by experiments to verify their functions.Results: The proportion of Clean Reads of this sequencing was >65%, and the base Q30s were all above 85%, indicating that the sequencing quality is good and can be used for subsequent analysis. The sRNAscanner software predicted that 148 new sRNAs might exist on the reference genome of Salmonella fowl dysentery, and the reads obtained from sequencing were compared to the genome, and it was found that 110 out of the 148 newly predicted sRNAs could be detected.Conclusions: sRNAs are widely found in bacteria and are involved in many physiological processes. In this study, we detected new sRNAs in Salmonella pullorum by RNA-seq, which lays the foundation for the subsequent investigation of the regulatory functions of sRNAs in bacteria.

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Helicobacter pullorum in chickens, Belgium.

Project description:A total of 110 broilers from 11 flocks were tested for Helicobacter pullorum by polymerase chain reaction; positive samples were reexamined with a conventional isolation method. H. pullorum isolates were examined by amplified fragment length polymorphism (AFLP) fingerprinting for interstrain genetic diversity and relatedness. Sixteen isolates from cecal samples from 2 different flocks were obtained. AFLP analysis showed that these isolates and 4 additional isolates from a different flock clustered according to their origin, which indicates that H. pullorum colonization may occur with a single strain that disseminates throughout the flock. Strains isolated from different hosts or geographic sources displayed a distinctive pattern. H. pullorum is present in approximately one third of live chickens in Belgium and may represent a risk to human health.

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Project description:Mycoplasmopsis pullorum Genome sequencing and assembly

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