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ABSTRACT: Chicken gut and tracheal genomes

PROVIDER: PRJNA989572 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR25100770_1.fastq.gz	Fastqsanger.gz
	SRR25100770_2.fastq.gz	Fastqsanger.gz
	SRR25100771_1.fastq.gz	Fastqsanger.gz
	SRR25100771_2.fastq.gz	Fastqsanger.gz
	SRR25100772_1.fastq.gz	Fastqsanger.gz

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Project description:Bacteroidaceae are common gut microbiota members in all warm-blooded animals. However, if Bacteroidaceae are to be used as probiotics, the species selected for different hosts should reflect the natural distribution. In this study, we therefore evaluated host adaptation of bacterial species belonging to the family Bacteroidaceae. B. dorei, B. uniformis, B. xylanisolvens, B. ovatus, B. clarus, B. thetaiotaomicron and B. vulgatus represented human-adapted species while B. gallinaceum, B. caecigallinarum, B. mediterraneensis, B. caecicola, M. massiliensis, B. plebeius and B. coprocola were commonly detected in chicken but not human gut microbiota. There were 29 genes which were present in all human-adapted Bacteroides but absent from the genomes of all chicken isolates and these included genes required for the pentose cycle, and glutamate or histidine metabolism. These genes were expressed during an in vitro competitive assay, in which human-adapted Bacteroides species overgrew the chicken adapted isolates. Not a single gene specific for the chicken-adapted species was found. Instead, chicken adapted species exhibited signs of frequent horizontal gene transfer, of KUP, linA and sugE genes in particular. The differences in host adaptation should be considered when the new generation of probiotics for humans or chickens is designed.

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Project description:Chicken tracheal mucus microbiota

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Project description:To understand the mechanistic basis of local innate and adaptive immunity against infectious bronchitis virus (IBV) at the molecular level, we examined the gene transcription profile of tracheal epithelial layers at 3 days after infection of chickens with an attenuated IBV-Massachusetts strain. Keywords: Disease State Analysis, Early mucosal immune response, FHCRC 13k chicken array

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