{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Winkler MH"],"funding":["Marie Curie Postdoctoral award","FWO"],"pagination":["e0172785"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC5363889"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["12(3)"],"pubmed_abstract":["The conditions present in both in vitro and in vivo ecosystems determine the microbial population harbouring it. One commonly accepted theory is that a species with a high substrate affinity and low growth rate (k-strategist) will win the competition against a second species with a lower substrate affinity and higher growth rate (r-strategist) if both species are subjected to low substrate concentrations. In this study two nitrite oxidizing bacteria (NOB), Nitrospira defluvii (k-strategist) and Nitrobacter vulgaris (r-strategist), were cultivated in a continuous reactor systems. The minimal hydraulic retention time (HRT) required for maintaining the slower growing Nitrospira was first determined. A reactor containing Nitrobacter was set to the same HRT and Nitrospira was injected to evalua"],"journal":["PloS one"],"pubmed_title":["Effect of the dilution rate on microbial competition: r-strategist can win over k-strategist at low substrate concentration."],"pmcid":["PMC5363889"],"funding_grant_id":["PIEF-GA-2012-329328"],"pubmed_authors":["Goethals P","Winkler MH","Volcke EI","Hahne B","Boets P"],"additional_accession":[]},"is_claimable":false,"name":"Effect of the dilution rate on microbial competition: r-strategist can win over k-strategist at low substrate concentration.","description":"The conditions present in both in vitro and in vivo ecosystems determine the microbial population harbouring it. One commonly accepted theory is that a species with a high substrate affinity and low growth rate (k-strategist) will win the competition against a second species with a lower substrate affinity and higher growth rate (r-strategist) if both species are subjected to low substrate concentrations. In this study two nitrite oxidizing bacteria (NOB), Nitrospira defluvii (k-strategist) and Nitrobacter vulgaris (r-strategist), were cultivated in a continuous reactor systems. The minimal hydraulic retention time (HRT) required for maintaining the slower growing Nitrospira was first determined. A reactor containing Nitrobacter was set to the same HRT and Nitrospira was injected to evalua","dates":{"release":"2017-01-01T00:00:00Z","publication":"2017","modification":"2025-04-04T09:01:32.51Z","creation":"2019-03-26T22:49:30Z"},"accession":"S-EPMC5363889","cross_references":{"pubmed":["28333960"],"doi":["10.1371/journal.pone.0172785"]}}