DC Field | Value | Language |
---|---|---|
dc.contributor.author | Yoon, Sojung | ko |
dc.contributor.author | Heo, Hokwan | ko |
dc.contributor.author | HAN, HEEJOO | ko |
dc.contributor.author | Song, Dong Uk | ko |
dc.contributor.author | Bakken, Lars R. | ko |
dc.contributor.author | Frostegård, Å | ko |
dc.contributor.author | Yoon, Sukhwan | ko |
dc.date.accessioned | 2023-11-22T08:00:19Z | - |
dc.date.available | 2023-11-22T08:00:19Z | - |
dc.date.created | 2023-11-22 | - |
dc.date.created | 2023-11-22 | - |
dc.date.created | 2023-11-22 | - |
dc.date.created | 2023-11-22 | - |
dc.date.issued | 2023-10 | - |
dc.identifier.citation | MBIO, v.14, no.5 | - |
dc.identifier.issn | 2161-2129 | - |
dc.identifier.uri | http://hdl.handle.net/10203/315052 | - |
dc.description.abstract | Climate change and nutrient pollution are among the most urgent environmental issues. Enhancing the abundance and/or the activity of beneficial organisms is an attractive strategy to counteract these problems. Dissimilatory nitrate reduction to ammonium (DNRA), which theoretically improves nitrogen retention in soils, has been suggested as a microbial process that may be harnessed, especially since many DNRA-catalyzing organisms have been found to possess nosZ genes and the ability to respire N2O. However, the selective advantage that may favor these nosZ-harboring DNRA-catalyzing organisms is not well understood. Here, the effect of N2O on Nrf-mediated DNRA was examined in a soil isolate, Bacillus sp. DNRA2, possessing both nrfA and nosZ genes. The DNRA metabolism of this bacterium was observed in the presence of C2H2, a NosZ inhibitor, with or without N2O, and the results were compared with C2H2-free controls. Cultures were also exposed to repeated oxic-anoxic transitions in the sustained presence of N2O. The NO2 −-to-NH4 + reduction following oxic-to-anoxic transition was significantly delayed in NosZ-inhibited C2H2-amended cultures, and the inhibition was more pronounced with repeated oxic-anoxic transitions. The possibility of C2H2 involvement was dismissed since the cultures continuously flushed with C2H2/N2 mixed gas after initial oxic incubation did not exhibit a similar delay in DNRA progression as that observed in the culture flushed with N2O-containing gas. The findings suggest a possibility that the oft-observed nosZ presence in DNRA-catalyzing microorganisms secures an early transcription of their DNRA genes by scavenging N2O, thus enhancing their capacity to compete with denitrifiers at oxic-anoxic interfaces. | - |
dc.language | English | - |
dc.publisher | AMER SOC MICROBIOLOGY | - |
dc.title | Suggested role of NosZ in preventing N2O inhibition of dissimilatory nitrite reduction to ammonium | - |
dc.type | Article | - |
dc.identifier.wosid | 001191200600051 | - |
dc.identifier.scopusid | 2-s2.0-85178994362 | - |
dc.type.rims | ART | - |
dc.citation.volume | 14 | - |
dc.citation.issue | 5 | - |
dc.citation.publicationname | MBIO | - |
dc.identifier.doi | 10.1128/mbio.01540-23 | - |
dc.contributor.localauthor | Yoon, Sukhwan | - |
dc.contributor.nonIdAuthor | Bakken, Lars R. | - |
dc.contributor.nonIdAuthor | Frostegård, Å | - |
dc.description.isOpenAccess | N | - |
dc.type.journalArticle | Article | - |
dc.subject.keywordAuthor | Bacillus | - |
dc.subject.keywordAuthor | dissimilatory nitrite reduction to ammonium | - |
dc.subject.keywordAuthor | nitrous oxide reduction | - |
dc.subject.keywordAuthor | oxic-Anoxic transition | - |
dc.subject.keywordAuthor | transcriptional regulation | - |
dc.subject.keywordPlus | NITROUS-OXIDE PRODUCTION | - |
dc.subject.keywordPlus | NITRATE REDUCTION | - |
dc.subject.keywordPlus | WOLINELLA-SUCCINOGENES | - |
dc.subject.keywordPlus | DENITRIFICATION GENES | - |
dc.subject.keywordPlus | ESCHERICHIA-COLI | - |
dc.subject.keywordPlus | ANOXIC INTERFACE | - |
dc.subject.keywordPlus | DNRA BACTERIA | - |
dc.subject.keywordPlus | SOIL | - |
dc.subject.keywordPlus | PATHWAYS | - |
dc.subject.keywordPlus | NITRIFICATION | - |
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