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ABSTRACT: mecC-carrying MRSA in horses and in a human in Hungary

PROVIDER: PRJNA876088 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR21397262_1.fastq.gz	Fastqsanger.gz
	SRR21397262_2.fastq.gz	Fastqsanger.gz
	SRR21397263_1.fastq.gz	Fastqsanger.gz
	SRR21397263_2.fastq.gz	Fastqsanger.gz
	SRR21397264_1.fastq.gz	Fastqsanger.gz

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Project description:Previous studies have documented the diversity of genetic background of methicillin-resistant S. aureus (MRSA) strains associated with healthcare (HA-MRSA), community (CA-MRSA) and livestock (LA-MRSA). The accessory and core-variable genome content of those strains remain largely unknown. To compare the composition of accessory and core-variable genome of Belgian MRSA strains according to host, population setting and genetic background, representative strains of HA- (n=21), CA- (n = 13) and ST398 LA-MRSA (n = 18) were characterized by a DNA-microarray (StaphVar Array) composed of oligonucleotide probes targeting ~400 resistance, adhesion and virulence associated genes.ST398 strains displayed very homogenous hybridization profiles (>94% gene content homology) irrespective of their host origin. This “ST398-specific” genomic profile was not distantly demarked from those of certain human-associated lineages but lacked several virulence- and colonization-associated genes harbored by strains of human origin, such as genes encoding proteases, haemolysins or adhesins. No enterotoxin gene was found among ST398 strains. In conclusion, our findings are consistent with a non-human origin of this ST398 lineage but suggest that it might have the potential to adapt further to the human host.

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