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Acceleration of biofilm formation in start-up of sequencing batch biofilm reactor using carriers immobilized with Pseudomonas stutzeri strain XL-2.
Bioresour Technol. 2020 Oct; 314:123736.BT

Abstract

P. stutzeri strain XL-2 initially immobilized on polypropylene carriers accelerated the biofilm formation in start-up of sequencing batch biofilm reactor (SBBR) (denoted R1). The biofilm formation in R1 was approximately completed in 36 days, which was shorter than that of 48 days in an identical SBBR (denoted R2) without strain XL-2. Meanwhile, R1 presented a rapid stabilization of NH4+-N and TN removal to 81.7% and 72.4% respectively. Surface plasmon resonance demonstrated that strain XL-2 enhanced the initial adhesion of carrier surface due to the production of extracellular polymeric substances (EPS), which made it easier for other EPS-producing strains, such as Thauera and Flavobacterium, to adhere to the carriers. PICRUSt revealed that biofilm in R1 presented relatively higher activity of EPS biosynthesis enzymes (glycosyltransferase and asparagine synthase). Thus, high EPS content was obtained due to the application of carriers immobilized with strain XL-2 and finally promoted the biofilm formation.

Authors+Show Affiliations

Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, PR China.Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, PR China.Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, PR China. Electronic address: binzhao11@cqu.edu.cn.Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, PR China.Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, PR China.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

32619807

Citation

Zhang, Peng, et al. "Acceleration of Biofilm Formation in Start-up of Sequencing Batch Biofilm Reactor Using Carriers Immobilized With Pseudomonas Stutzeri Strain XL-2." Bioresource Technology, vol. 314, 2020, p. 123736.
Zhang P, Ding XS, Zhao B, et al. Acceleration of biofilm formation in start-up of sequencing batch biofilm reactor using carriers immobilized with Pseudomonas stutzeri strain XL-2. Bioresour Technol. 2020;314:123736.
Zhang, P., Ding, X. S., Zhao, B., An, Q., & Guo, J. S. (2020). Acceleration of biofilm formation in start-up of sequencing batch biofilm reactor using carriers immobilized with Pseudomonas stutzeri strain XL-2. Bioresource Technology, 314, 123736. https://doi.org/10.1016/j.biortech.2020.123736
Zhang P, et al. Acceleration of Biofilm Formation in Start-up of Sequencing Batch Biofilm Reactor Using Carriers Immobilized With Pseudomonas Stutzeri Strain XL-2. Bioresour Technol. 2020;314:123736. PubMed PMID: 32619807.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Acceleration of biofilm formation in start-up of sequencing batch biofilm reactor using carriers immobilized with Pseudomonas stutzeri strain XL-2. AU - Zhang,Peng, AU - Ding,Xue Song, AU - Zhao,Bin, AU - An,Qiang, AU - Guo,Jin Song, Y1 - 2020/06/26/ PY - 2020/05/12/received PY - 2020/06/19/revised PY - 2020/06/20/accepted PY - 2020/7/4/pubmed PY - 2020/7/4/medline PY - 2020/7/4/entrez KW - Bio-immobilization KW - Biofilm formation KW - Extracellular polymeric substances (EPS) KW - Initial adhesion KW - Microbial community structure SP - 123736 EP - 123736 JF - Bioresource technology JO - Bioresour. Technol. VL - 314 N2 - P. stutzeri strain XL-2 initially immobilized on polypropylene carriers accelerated the biofilm formation in start-up of sequencing batch biofilm reactor (SBBR) (denoted R1). The biofilm formation in R1 was approximately completed in 36 days, which was shorter than that of 48 days in an identical SBBR (denoted R2) without strain XL-2. Meanwhile, R1 presented a rapid stabilization of NH4+-N and TN removal to 81.7% and 72.4% respectively. Surface plasmon resonance demonstrated that strain XL-2 enhanced the initial adhesion of carrier surface due to the production of extracellular polymeric substances (EPS), which made it easier for other EPS-producing strains, such as Thauera and Flavobacterium, to adhere to the carriers. PICRUSt revealed that biofilm in R1 presented relatively higher activity of EPS biosynthesis enzymes (glycosyltransferase and asparagine synthase). Thus, high EPS content was obtained due to the application of carriers immobilized with strain XL-2 and finally promoted the biofilm formation. SN - 1873-2976 UR - https://www.unboundmedicine.com/medline/citation/32619807/Acceleration_of_biofilm_formation_in_start-up_of_sequencing_batch_biofilm_reactor_using_carriers_immobilized_with_Pseudomonas_stutzeri_strain_XL-2 L2 - https://linkinghub.elsevier.com/retrieve/pii/S0960-8524(20)31008-7 DB - PRIME DP - Unbound Medicine ER -
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