{"links":{"first":"https://www.ebi.ac.uk/metagenomics/api/v1/samples/SRS1243521/studies?format=json&page=1","last":"https://www.ebi.ac.uk/metagenomics/api/v1/samples/SRS1243521/studies?format=json&page=1","next":null,"prev":null},"data":[{"type":"studies","id":"MGYS00001255","attributes":{"samples-count":350,"bioproject":"PRJNA307231","accession":"MGYS00001255","is-private":false,"last-update":"2024-01-12T14:01:54","secondary-accession":"SRP068240","centre-name":"IrsiCaixa Foundation","public-release-date":null,"study-abstract":"The precise effects of HIV-1 on the human microbiome are unclear. Initial cross-sectional studies provided contradictory associations between microbial richness and HIV status and suggested shifts from Bacteroides to Prevotella predominance following HIV-1 infection, which have not been found in animal models or in studies matched for HIV-1 risk groups.This was a cross-sectional study where we first tested 129 HIV-1-infected subjects and 27 HIV-negative controls in Barcelona (BCN0). Findings were internally validated in 110 subjects from BCN0 providing a second fecal sample 1 month later. External validation was obtained in 77 HIV-1-infected and 7 non-infected subjects from Stockholm. In all study participants, we produced MiSeq 16S rRNA data on fecal microbiomes and collected comprehensive metadata.","study-name":"Human feces metagenome 16s rDNA sequencing","data-origination":"HARVESTED"},"relationships":{"downloads":{"links":{"related":"https://www.ebi.ac.uk/metagenomics/api/v1/studies/MGYS00001255/downloads?format=json"}},"geocoordinates":{"links":{"related":"https://www.ebi.ac.uk/metagenomics/api/v1/studies/MGYS00001255/geocoordinates?format=json"}},"analyses":{"links":{"related":"https://www.ebi.ac.uk/metagenomics/api/v1/studies/MGYS00001255/analyses?format=json"}},"biomes":{"links":{"related":"https://www.ebi.ac.uk/metagenomics/api/v1/studies/MGYS00001255/biomes?format=json"},"data":[{"type":"biomes","id":"root:Host-associated:Human:Digestive system:Large intestine:Fecal","links":{"self":"https://www.ebi.ac.uk/metagenomics/api/v1/biomes/root:Host-associated:Human:Digestive%20system:Large%20intestine:Fecal?format=json"}}]},"samples":{"links":{"related":"https://www.ebi.ac.uk/metagenomics/api/v1/studies/MGYS00001255/samples?format=json"}},"publications":{"links":{"related":"https://www.ebi.ac.uk/metagenomics/api/v1/studies/MGYS00001255/publications?format=json"}}},"links":{"self":"https://www.ebi.ac.uk/metagenomics/api/v1/studies/MGYS00001255?format=json"}}],"meta":{"pagination":{"page":1,"pages":1,"count":1}}}