Nutrient dominance governs the assembly of microbial communities in mixed nutrient environments.

ABSTRACT: A major open question in microbial community ecology is whether we can predict how the components of a diet collectively determine the taxonomic composition of microbial communities. Motivated by this challenge, we investigate whether communities assembled in pairs of nutrients can be predicted from those assembled in every single nutrient alone. We find that although the null, naturally additive model generally predicts well the family-level community composition, there exist systematic deviations from the additive predictions that reflect generic patterns of nutrient dominance at the family level. Pairs of more-similar nutrients (e.g. two sugars) are on average more additive than pairs of more dissimilar nutrients (one sugar-one organic acid). Furthermore, sugar-acid communities are gene

SUBMITTER: Estrela S 

PROVIDER: S-EPMC8057819 | biostudies-literature | 2021 Apr

REPOSITORIES: biostudies-literature