{"response":{"status":"ok","message_type":"publication"},"id":2313,"citation":"Okubo, Takami, 2021, MicrobiologyOpen","doi":"10.1002/mbo3.1227","url":"https://api.seqco.de/v1/publications/2313.json","link_ext":"https://doi.org/10.1002/mbo3.1227","title":"Metabolic potential of the imperfect denitrifier \u003ci\u003eCandidatus\u003c/i\u003e Desulfobacillus denitrificans in an anammox bioreactor","journal":"MicrobiologyOpen","journal_loc":"10 (4)","journal_date":"2021-08-01","pub_type":"journal-article","abstract":"\u003cjats:title\u003eAbstract\u003c/jats:title\u003e\u003cjats:p\u003eThe imperfect denitrifier, \u003cjats:italic\u003eCandidatus\u003c/jats:italic\u003e (\u003cjats:italic\u003eCa\u003c/jats:italic\u003e.) Desulfobacillus denitrificans, which lacks nitric oxide (NO) reductase, frequently appears in anammox bioreactors depending on the operating conditions. We used genomic and metatranscriptomic analyses to evaluate the metabolic potential of \u003cjats:italic\u003eCa\u003c/jats:italic\u003e. D. denitrificans and deduce its functional relationships to anammox bacteria (i.e., \u003cjats:italic\u003eCa\u003c/jats:italic\u003e. Brocadia pituitae). Although \u003cjats:italic\u003eCa\u003c/jats:italic\u003e. D. denitrificans is hypothesized to supply NO to \u003cjats:italic\u003eCa\u003c/jats:italic\u003e. B. pituitae as a byproduct of imperfect denitrification, this microbe also possesses hydroxylamine oxidoreductase, which catalyzes the oxidation of hydroxylamine to NO and potentially the reverse reaction. \u003cjats:italic\u003eCa\u003c/jats:italic\u003e. D. denitrificans can use a range of electron donors for denitrification, including aromatic compounds, glucose, sulfur compounds, and hydrogen, but metatranscriptomic analysis suggested that the major electron donors are aromatic compounds, which inhibit anammox activity. The interrelationship between \u003cjats:italic\u003eCa\u003c/jats:italic\u003e. D. denitirificans and \u003cjats:italic\u003eCa\u003c/jats:italic\u003e. B. pituitae via the metabolism of aromatic compounds may govern the population balance of both species. \u003cjats:italic\u003eCa\u003c/jats:italic\u003e. D. denitrificans also has the potential to fix CO\u003cjats:sub\u003e2\u003c/jats:sub\u003e via an irregular Calvin cycle and couple denitrification to the oxidation of hydrogen and sulfur compounds under chemolithoautotrophic conditions. This metabolic versatility, which suggests a mixotrophic lifestyle, would facilitate the growth of \u003cjats:italic\u003eCa\u003c/jats:italic\u003e. D. denitrificans in the anammox bioreactor.\u003c/jats:p\u003e","long_citation_html":"Okubo, Takami (2021). Metabolic potential of the imperfect denitrifier \u003ci\u003eCandidatus\u003c/i\u003e Desulfobacillus denitrificans in an anammox bioreactor. \n\u003ci\u003eMicrobiologyOpen\u003c/i\u003e. \u003ca href=\"https://doi.org/10.1002/mbo3.1227\" target=\"_blank\"\u003eDOI:10.1002/mbo3.1227\u003c/a\u003e\n","created_at":"2021-08-28T22:00:08.560Z","updated_at":"2025-11-06T13:51:18.656Z","authors":[{"id":8905,"given":"Takashi","family":"Okubo","created_at":"2021-08-28T22:00:08.580Z","updated_at":"2021-08-28T22:00:08.580Z","url":"https://api.seqco.de/v1/authors/8905.json"},{"id":4474,"given":"Hideto","family":"Takami","created_at":"2019-04-15T19:26:36.222Z","updated_at":"2019-04-15T19:26:36.222Z","url":"https://api.seqco.de/v1/authors/4474.json"}],"names":[{"id":734,"name":"Candidatus Desulfobacillus denitrificans","url":"https://api.seqco.de/v1/names/734.json","uri":"https://seqco.de/i:734"}],"subjects":[{"id":9,"name":"Microbiology","url":"https://api.seqco.de/v1/subjects/9.json"}]}