Abstract:
:The dynamic response mechanism of Candidatus Accumulibacter clades to environmental factors in enhanced biological phosphorus removal (EBPR) was unclear. This study investigated the relationship between the transcriptional responses of Candidatus Accumulibacter clades and environmental dynamics. Results suggested that Candidatus Accumulibacter clade IIA only responded in initial 20 and 30 min of P-release and P-uptake stage, respectively, and was also the first clade to stop responding among the six Candidatus Accumulibacter clades. Clade IIC and IID responded at rising stage of P-release and P-uptake rate. Clade IA and IIB responded at decreasing stage of P-release and P-uptake rate. The transcriptional response duration of clade IIF was the longest, which constantly responded throughout anaerobic, anoxic and oxic phase. The transcriptional responses of Candidatus Accumulibacter clades to environmental dynamics revealed the microorganisms actually working in P-release and P-uptake, and gave a new insight into the transcriptional responses related to the EBPR performance.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Fan Z,Zeng W,Wang B,Guo Y,Meng Q,Peng Ydoi
10.1016/j.biortech.2020.123108subject
Has Abstractpub_date
2020-03-03 00:00:00pages
123108eissn
0960-8524issn
1873-2976pii
S0960-8524(20)30377-1journal_volume
306pub_type
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