Cookies on this website

We use cookies to ensure that we give you the best experience on our website. If you click 'Accept all cookies' we'll assume that you are happy to receive all cookies and you won't see this message again. If you click 'Reject all non-essential cookies' only necessary cookies providing core functionality such as security, network management, and accessibility will be enabled. Click 'Find out more' for information on how to change your cookie settings.

To study the effect of host genetics on gut microbiome composition, the MiBioGen consortium curated and analyzed genome-wide genotypes and 16S fecal microbiome data from 18,340 individuals (24 cohorts). Microbial composition showed high variability across cohorts: only 9 out of 410 genera were detected in more than 95% samples. A genome-wide association study (GWAS) of host genetic variation in relation to microbial taxa identified 31 loci affecting microbiome at a genome-wide significant (P<5×10 −8 ) threshold. One locus, the lactase ( LCT ) gene locus, reached study-wide significance (GWAS signal P=1.28×10 −20 ), and it showed an age-dependent association with Bifidobacterium abundance. Other associations were suggestive (1.95×10 −10

Original publication

DOI

10.1101/2020.06.26.173724

Type

Journal article

Publication Date

28/06/2020