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- Title
Analysis of the process and factors influencing microbial phosphine production.
- Authors
Fan, Yimin; Niu, Xiaojun; Zhang, Dongqing
- Abstract
The process of phosphine production by phosphate-reducing bacteria Pseudescherichia sp. SFM4 has been well studied. Phosphine originates from the biochemical stage of functional bacteria that synthesize pyruvate. Stirring the aggregated bacterial mass and supplying pure hydrogen could lead to an increase of 40 and 44% phosphine production, respectively. Phosphine was produced when bacterial cells agglomerated in the reactor. Extracellular polymeric substances secreted on microbial aggregates promoted the formation of phosphine due to the presence of groups containing phosphorus element. Phosphorus metabolism gene and phosphorus source analysis implied that functional bacteria used anabolic organic phosphorus, especially containing carbon-phosphorus bonds, as a source with [H] as electron donor to produce phosphine.
- Subjects
FACTOR analysis; PHOSPHINE; PHOSPHORUS metabolism; ELECTRON donors; PHOSPHINES; BACTERIAL cells
- Publication
Environmental Science & Pollution Research, 2023, Vol 30, Issue 31, p76595
- ISSN
0944-1344
- Publication type
Article
- DOI
10.1007/s11356-023-27293-7