Article ; Online: Genomics and metabolic characteristics of simultaneous heterotrophic nitrification aerobic denitrification and aerobic phosphorus removal by Acinetobacter indicus CZH-5.
2024 Volume 395, Page(s) 130322
Abstract: This study provides for the first time a systematic understanding of Acinetobacter indicus CZH-5 performance, metabolic pathway and genomic characteristics for aerobic nitrogen (N) and phosphorus (P) removal. Acinetobacter indicus CZH-5 showed promising ... ...
| Abstract | This study provides for the first time a systematic understanding of Acinetobacter indicus CZH-5 performance, metabolic pathway and genomic characteristics for aerobic nitrogen (N) and phosphorus (P) removal. Acinetobacter indicus CZH-5 showed promising performance in heterotrophic nitrification aerobic denitrification and aerobic phosphorus removal. Under optimal conditions, the maximum ammonia-N, total nitrogen and orthophosphate-P removal efficiencies were 90.17%, 86.33%, and 99.89%, respectively. The wide tolerance range suggests the strong environmental adaptability of the bacteria. The complete genome of this strain was reconstructed. Whole genome annotation was used to re-construct the N and P metabolic pathways, and related intracellular substance metabolic pathways were proposed. The transcription levels of related functional genes and enzyme activities further confirmed these metabolic mechanisms. N removal was achieved via the nitrification-denitrification pathway. Furthermore, CZH-5 exhibited significant aerobic P uptake, with phosphate diesters as the main species of intracellular P. |
|---|---|
| MeSH term(s) | Nitrification ; Denitrification ; Phosphorus ; Nitrites ; Aerobiosis ; Heterotrophic Processes ; Phosphates ; Nitrogen/metabolism ; Genomics ; Acinetobacter |
| Chemical Substances | Phosphorus (27YLU75U4W) ; Nitrites ; Phosphates ; Nitrogen (N762921K75) |
| Language | English |
| Publishing date | 2024-01-14 |
| Publishing country | England |
| Document type | Journal Article |
| ZDB-ID | 1065195-0 |
| ISSN | 1873-2976 ; 0960-8524 |
| ISSN (online) | 1873-2976 |
| ISSN | 0960-8524 |
| DOI | 10.1016/j.biortech.2024.130322 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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