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1. Myriophyllum elatinoides growth and rhizosphere bacterial community structure under different nitrogen concentrations in swine wastewater

Author:
Li, Xi; Li, Yuyuan; Li, Yong; Wu, Jinshui
Source:
Bioresource technology 2020 v.301 pp. 122776
ISSN:
0960-8524
Subject:
Allochromatium; Bacteroidetes; Cyanobacteria; Firmicutes; Methylocystis; Myriophyllum; Pseudomonas; ammonium; bacterial communities; biomass; community structure; constructed wetlands; leaves; nitrogen; nitrogen content; overland flow; pH; rhizosphere; roots; stems; swine; wastewater
Abstract:
... In this study, Myriophyllum elatinoides growth under different nitrogen (N) concentrations (2, 250, 300, 350 and 400 mg L⁻¹) and changes in rhizosphere bacterial community structure were investigated. High N (>300 mg L⁻¹) concentrations caused reduction in M. elatinoides biomass. Growth tended to stabilize at 49 days. N concentration in roots were higher than that in stems and leaves under high N ...
DOI:
10.1016/j.biortech.2020.122776

2. Phenanthrene removal and response of bacterial community in the combined system of photocatalysis and PAH-degrading microbial consortium in laboratory system

Author:
Qin, Zhirui; Zhao, Zhenhua; Jiao, Wentao; Han, Ziyu; Xia, Liling; Fang, Yinqing; Wang, Shiyu; Ji, Longjie; Jiang, Ying
Source:
Bioresource technology 2020 v.301 pp. 122736
ISSN:
0960-8524
Subject:
Planococcaceae; Pseudomonas; bacteria; bacterial communities; biodegradation; high-throughput nucleotide sequencing; irradiation; light; lighting; phenanthrenes; photocatalysis; ribosomal RNA; species diversity
Abstract:
... This work aimed to study the removal of phenanthrene, change of bacterial community and microbial functions through combined photocatalysis and biodegradation under ultraviolet (UV) and visible light illumination. Results showed that phenanthrene removal was enhanced in combined system irradiated by UV and visible light. High-throughput sequencing of 16S rRNA gene manifested that alpha diversity ( ...
DOI:
10.1016/j.biortech.2020.122736

3. The fate of antibiotic resistance genes during co-composting of swine manure with cauliflower and corn straw

Author:
Li, Houyu; Cheng, Weimin; Li, Bihan; Xu, Yan; Zheng, Xiangqun
Source:
Bioresource technology 2020 v.300 pp. 122669
ISSN:
0960-8524
Subject:
Halocella; Klebsiella; Pseudomonas; ammonium nitrogen; antibiotic resistance genes; bacteria; bacterial communities; bulking agents; cauliflower; composting; corn stover; corn straw; environmental factors; pH; pig manure; principal component analysis; risk
Abstract:
... Composting is not completely effective in reducing antibiotic resistance genes (ARGs) in animal manure. This work studied the effects of different treatment conditions on the fate of ARGs in composting swine manure with cauliflower and corn straw as bulking agents. The results showed that the addition of microbial agents or the ratio of corn stalks to cauliflower (1:12) could significantly decreas ...
DOI:
10.1016/j.biortech.2019.122669

4. The bacterial community and fermentation quality of mulberry (Morus alba) leaf silage with or without Lactobacillus casei and sucrose

Author:
Wang, Yi; Chen, Xiaoyang; Wang, Cheng; He, Liwen; Zhou, Wei; Yang, Fuyu; Zhang, Qing
Source:
Bioresource technology 2019 v.293 pp. 122059
ISSN:
0960-8524
Subject:
Enterobacter; Lactobacillus casei; Morus alba; Pseudomonas; acetic acid; ammonium nitrogen; bacterial communities; coliform bacteria; feed quality; fermentation; lactic acid; mulberries; pH; silage; sucrose
Abstract:
... To investigate the effects of adding Lactobacilluscasei (LC) and sucrose (S) on the fermentation quality and bacterial community of mulberry leaf silage, two kinds of mulberry leaves were harvested and ensiled with or without LC and S for 1, 7, 14, 30 and 60 days, respectively. Silages treated with LC and S contained more lactic acid (4.46–10.54%DM) and less ammonia-N (0.03–0.13%DM), acetic acid ( ...
DOI:
10.1016/j.biortech.2019.122059

5. Degradation mechanisms of sulfamethoxazole and its induction of bacterial community changes and antibiotic resistance genes in a microbial fuel cell

Author:
Xue, Wendan; Li, Fengxiang; Zhou, Qixing
Source:
Bioresource technology 2019 v.289 pp. 121632
ISSN:
0960-8524
Subject:
Achromobacter; Alcaligenes; Pseudomonas; Shewanella; alcohols; antibiotic resistance genes; antibiotics; bacterial communities; electrical treatment; high performance liquid chromatography; methane; microbial fuel cells; power generation; sulfamethoxazole; wastewater treatment; water purification
Abstract:
... In this study, more than 85.1% of sulfamethoxazole (SMX) could be degraded within 60 h. The strengthening of microbial metabolisms and the sustainment of electrical stimulation contributed to the rapid removal of SMX in microbial fuel cells (MFCs). High-performance liquid chromatography identified that SMX could be thoroughly degraded into less harmful alcohols and methane after the MFC processing ...
DOI:
10.1016/j.biortech.2019.121632

6. Accelerated Rhodamine B removal by enlarged anode electric biological (EAEB) with electro-biological particle electrode (EPE) made from steel converter slag (SCS)

Author:
Feng, Yan; Zhang, Zhijie; Zhao, Youheng; Song, Liang; Wang, Xinwei; Yang, Shumin; Long, Yingying; Zhao, Chunhui; Qiu, Liping
Source:
Bioresource technology 2019 v.283 pp. 1-9
ISSN:
0960-8524
Subject:
Aeromonas; Methylophilus; Pelomonas; Pseudomonas; Zoogloea; ammonium nitrogen; anodes; bacterial communities; chemical oxygen demand; rhodamines; slags; steel; wastewater treatment
Abstract:
... Electro-biological particle electrode (EPE) made from steel converter slag (SCS) was used as a particle electrode in an enlarged anode electric biological (EAEB) reactor for Rhodamine B (RhB) wastewater treatment, and its purification performance and microbial community were examined. The results revealed that (1) the EAEB reactor showed much higher average removal rates of RhB, COD and NH4+-N, i. ...
DOI:
10.1016/j.biortech.2019.03.036

7. Positive impact of biochar alone and combined with bacterial consortium amendment on improvement of bacterial community during cow manure composting

Author:
Duan, Yumin; Awasthi, Sanjeev Kumar; Liu, Tao; Verma, Shivpal; Wang, Quan; Chen, Hongyu; Ren, Xiuna; Zhang, Zengqiang; Awasthi, Mukesh Kumar
Source:
Bioresource technology 2019 v.280 pp. 79-87
ISSN:
0960-8524
Subject:
Dysgonomonas; Marinimicrobium; Pseudomonas; Tissierella; bacterial communities; bacterial culture; biochar; cow manure; high-throughput nucleotide sequencing; statistical analysis; straw
Abstract:
... The present work studied to evaluate the effectiveness under the interaction of bacterial consortium and biochar applied to give impetus to bacterial community activities among cow manure composting. High-throughput sequencing technique and six treatments were carried out: T2, T3 and T6 were single apply of bacteria culture (C), 12%wood biochar (12%WB) and 12%wheat straw biochar (12%WSB), respecti ...
DOI:
10.1016/j.biortech.2019.02.026

8. Bacterial community shift and antibiotics resistant genes analysis in response to biodegradation of oxytetracycline in dual graphene modified bioelectrode microbial fuel cell

Author:
Chen, Junfeng; Yang, Yuewei; Liu, Yanyan; Tang, Meizhen; Wang, Renjun; Tian, Yuping; Jia, Chuanxing
Source:
Bioresource technology 2019 v.276 pp. 236-243
ISSN:
0960-8524
Subject:
Bacteroidetes; Comamonas; Dechloromonas; Geobacter; Methylomicrobium; Mycobacterium; Pseudomonas; Salmonella; Thiobacillus; Trabulsiella; bacteria; bacterial communities; biodegradation; electrochemistry; electron transfer; graphene; microbial fuel cells; microelectrodes; oxytetracycline; resistance genes; ribosomes; transporters
Abstract:
... This study explored the biodegradation mechanisms of oxytetracycline (OTC/O) and electrochemical characteristics from the perspective of bacterial community shift and OTC resistance genes in dual graphene modified bioelectrode microbial fuel cell (O-D-GM-BE MFC). In phylum level, Proteobacteria was accounted to 95.04% in O-GM-BA, Proteobacteria and Bacteroidetes were accounted to 59.13% and 20.52% ...
DOI:
10.1016/j.biortech.2019.01.006

9. Effects of triclosan on performance, microbial community and antibiotic resistance genes during partial denitrification in a sequencing moving bed biofilm reactor

Author:
Gao, Jing-Feng; Liu, Xiang-Hui; Fan, Xiao-Yan; Dai, Hui-Hui
Source:
Bioresource technology 2019
ISSN:
0960-8524
Subject:
Aeromonas; Pseudomonas; Shewanella; Thauera; antibiotic resistance genes; bacterial communities; biofilm; community structure; denitrification; interspersed repetitive sequences; moving bed biofilm reactors; nitrites; polymers; quantitative polymerase chain reaction; sludge; triclosan
Abstract:
... Effects of triclosan (TCS) on performance, microbial community and antibiotic resistance genes (ARGs) during partial denitrification (PD) were investigated in a sequencing moving bed biofilm reactor (SMBBR). TCS inhibited nitrite accumulation; inhibition effect was more obvious as TCS concentration increased from 1 to 5 mg/L, but it could recover. Extracellular polymeric substances contents increa ...
DOI:
10.1016/j.biortech.2019.02.112

10. Aerobic granules cultivated with simultaneous feeding/draw mode and low-strength wastewater: Performance and bacterial community analysis

Author:
Wang, Qibin; Yao, Renda; Yuan, Quan; Gong, Hui; Xu, Heng; Ali, Nasir; Jin, Zhengyu; Zuo, Jiane; Wang, Kaijun
Source:
Bioresource technology 2018 v.261 pp. 232-239
ISSN:
0960-8524
Subject:
Dechloromonas; Pseudomonas; bacterial communities; carbon nitrogen ratio; chemical oxygen demand; denitrification; denitrifying bacteria; granules; nitrogen; organic matter; phosphorus; total nitrogen; wastewater; wastewater treatment
Abstract:
... Sequence batch reactors (SBR) with simultaneous feeding/draw mode and low-strength wastewater were used for the cultivation of aerobic granules, and analysis of bacterial community diversity were conducted. Results revealed that the ratio of chemical oxygen demand/total nitrogen removal amount for R1 with real wastewater and R2 with synthetic wastewater decreased from 9.9 to 8.7 and, 29.9 to 21.1, ...
DOI:
10.1016/j.biortech.2018.04.002

11. Variation in bacterial community structure of aerobic granular and suspended activated sludge in the presence of the antibiotic sulfamethoxazole

Author:
Kang, Abbass Jafari; Brown, Alistair K.; Wong, Charles S.; Huang, Zhiyong; Yuan, Qiuyan
Source:
Bioresource technology 2018 v.261 pp. 322-328
ISSN:
0960-8524
Subject:
Acinetobacter; Aeromonas; Nitrosomonas; Oscillospira; Pseudomonas; Shewanella; Zoogloea; activated sludge; antibiotics; bacterial communities; biomass; community structure; granules; municipal wastewater; resistance genes; sulfamethoxazole
Abstract:
... The treatment performance and bacterial community structure of conventional activated sludge and aerobic granules exposed to antibiotic sulfamethoxazole (SMX) was studied. For three months, two sets of sequencing batch reactors inoculated with conventional and granular biomass were fed with a synthetic municipal wastewater containing 2 μg/L SMX. The presence of SMX had no significant impacts on tr ...
DOI:
10.1016/j.biortech.2018.04.054

12. Bacterial community succession during pig manure and wheat straw aerobic composting covered with a semi-permeable membrane under slight positive pressure

Author:
Ma, Shuangshuang; Fang, Chen; Sun, Xiaoxi; Han, Lujia; He, Xueqin; Huang, Guangqun
Source:
Bioresource technology 2018 v.259 pp. 221-227
ISSN:
0960-8524
Subject:
Cellvibrionales; Clostridiales; Pseudomonas; anaerobes; bacteria; bacterial communities; composting; discriminant analysis; emissions; fermentation; genes; organic fertilizers; organic matter; pig manure; principal component analysis; ribosomal RNA; wheat straw
Abstract:
... Bacteria play an important role in organic matter degradation and maturity during aerobic composting. This study analyzed composting with or without a membrane cover in laboratory-scale aerobic composting reactor systems. 16S rRNA gene analysis was used to study the bacterial community succession during composting. The richness of the bacterial community decreased and the diversity increased after ...
DOI:
10.1016/j.biortech.2018.03.054

13. Performance and bacterial diversity of biotrickling filters filled with conductive packing material for the treatment of toluene

Author:
Wu, Hao; Guo, Chunyu; Yin, Zhenhao; Quan, Yue; Yin, Chengri
Source:
Bioresource technology 2018 v.257 pp. 201-209
ISSN:
0960-8524
Subject:
Acidovorax; Arthrobacter; Brevundimonas; Devosia; Gemmobacter; Hydrogenophaga; Pelomonas; Pseudomonas; Pseudoxanthomonas; Rhizobium; Rhodococcus (bacteria); Xanthobacter; air; bacterial communities; biodegradation; biodiversity; biofilters; electric power; mutagenicity; packaging materials; toluene; wastes
Abstract:
... Toluene has high toxicity and mutagenicity, thus, the removal of toluene from air is necessary. In this study, two biotrickling filters (BTFs) were constructed and packed with conductive packing material to treat toluene waste gas. BTF-O exhibited good toluene removal performance even under high toluene inlet concentration, and over 80% of removal efficiency was observed. The elimination capacity ...
DOI:
10.1016/j.biortech.2018.02.108

14. Degradation of organophosphate esters in sewage sludge: Effects of aerobic/anaerobic treatments and bacterial community compositions

Author:
Pang, Long; Ge, Liming; Yang, Peijie; He, Han; Zhang, Hongzhong
Source:
Bioresource technology 2018 v.255 pp. 16-21
ISSN:
0960-8524
Subject:
Bacillus megaterium; Flavobacterium; Pseudomonas; anaerobic digestion; bacterial communities; composting; esters; heat; pig manure; principal component analysis; sewage sludge
Abstract:
... In this study, the degradation of organophosphate esters (OPEs) in sewage sludge with aerobic composting and anaerobic digestion was investigated. The total concentrations of six OPEs (ΣOPEs) in the whole treatment process reduced in the order of anaerobic digestion combined with pig manure (T3) > aerobic composting combined with pig manure (T1) > aerobic composting (T2) > anaerobic digestion (T4) ...
DOI:
10.1016/j.biortech.2018.01.104

15. Role of acid/alkali-treatment in primary sludge anaerobic fermentation: Insights into microbial community structure, functional shifts and metabolic output by high-throughput sequencing

Author:
Huang, Xiao; Dong, Wenyi; Wang, Hongjie; Feng, Yangyang
Source:
Bioresource technology 2018 v.249 pp. 943-952
ISSN:
0960-8524
Subject:
Pseudomonas; Tissierella; acetic acid; alkali treatment; amino acids; bacterial communities; community structure; correspondence analysis; fermentation; genetic markers; high-throughput nucleotide sequencing; nucleotide sequences; pH; sludge; volatile fatty acids
Abstract:
... This study aimed to investigate the effect of acid- or alkali-treatment on volatile fatty acids (VFAs) production and microbiological mechanism during primary sludge anaerobic fermentation. Seven fermentation experiments were conducted at different pH (3−12). Results showed that the optimal pH was 10 for accumulation of VFAs. High-throughput sequencing results indicated that acid and alkali treatm ...
DOI:
10.1016/j.biortech.2017.10.104

16. Bacterial community and nitrate removal by simultaneous heterotrophic and autotrophic denitrification in a bioelectrochemically-assisted constructed wetland

Author:
Xu, Dan; Xiao, Enrong; Xu, Peng; Lin, Lili; Zhou, Qiaohong; Xu, Dong; Wu, Zhenbin
Source:
Bioresource technology 2017 v.245 pp. 993-999
ISSN:
0960-8524
Subject:
Pseudomonas; Thiobacillus; autotrophic bacteria; bacterial communities; cathodes; chemical oxygen demand; constructed wetlands; denitrification; graphene; high-throughput nucleotide sequencing; nitrates; nitrogen; organic matter
Abstract:
... To enhance nitrate removal in constructed wetlands (CWs), a bioelectrochemically-assisted CW (BECW) integrating a three-dimensional biofilm-electrode reactor (3D-BER) into the CW was evaluated for the effectiveness of combined autotrophic and heterotrophic denitrification in the presence of organic matter and applied current. The effects of COD/N ratios on nitrate removal were investigated, and th ...
DOI:
10.1016/j.biortech.2017.09.045

17. Nutrients removal and bacterial community structure for low C/N municipal wastewater using a modified anaerobic/anoxic/oxic (mA2/O) process in North China

Author:
Zhang, Shihua; Huang, Zhijia; Lu, Shujian; Zheng, Jun; Zhang, Xinxi
Source:
Bioresource technology 2017 v.243 pp. 975-985
ISSN:
0960-8524
Subject:
Acinetobacter; Arcobacter; Bacteroides; Comamonas; Flavobacterium; Moraxella; Nitrosomonas; Nitrosospira; Pseudomonas; Rhizobium; Rhodocyclus; Zoogloea; ammonium nitrogen; bacterial communities; carbon; community structure; high-throughput nucleotide sequencing; municipal wastewater; nitrification; nutrients; phosphorus; polypropylenes; temperature; China
Abstract:
... A modified anaerobic/anoxic/oxic (mA2/O) process based on utilizing the internal carbon source and adding polypropylene carriers was operated for 90d to investigate the nutrients removal performance and bacterial community. This system exhibited a stable and efficient performance, particularly, in removing the NH4+-N and total phosphorus. The results of high-throughput sequencing showed that the 1 ...
DOI:
10.1016/j.biortech.2017.07.048

18. The performance and evolution of bacterial community of activated sludge exposed to trimethoprim in a sequencing batch reactor

Author:
Kong, Qiang; He, Xiao; Ma, Shuai-shuai; Feng, Yu; Miao, Ming-sheng; Du, Yuan-da; Xu, Fei; Wang, Qian
Source:
Bioresource technology 2017 v.244 pp. 872-879
ISSN:
0960-8524
Subject:
Flavobacterium; Nitrosomonadaceae; Nitrospirales; Planctomyces; Pseudomonas; Rhodocyclaceae; activated sludge; ammonia; ammonium nitrogen; anaerobic ammonium oxidation; bacterial communities; chemical oxygen demand; denitrifying bacteria; nitrites; oxidants; phosphorus; polysaccharides; trimethoprim
Abstract:
... The performance and microbial community changes of an activated sludge sequencing batch reactor were evaluated after exposure to trimethoprim for 51days. The average chemical oxygen demand, ammonia nitrogen, phosphorus efficiencies were 88.6%±0.56%, 90.47%±0.29% and 64.25%±1.12%, respectively. The protein and polysaccharide contents increased with increasing trimethoprim concentration to protect t ...
DOI:
10.1016/j.biortech.2017.08.018

19. Two-stage anoxic/oxic combined membrane bioreactor system for landfill leachate treatment: Pollutant removal performances and microbial community

Author:
Liu, Jianbo; Zhang, Haibo; Zhang, Panyue; Wu, Yan; Gou, Xiying; Song, Yonghui; Tian, Zhiyong; Zeng, Guangming
Source:
Bioresource technology 2017 v.243 pp. 738-746
ISSN:
0960-8524
Subject:
Bacteroidetes; Chloroflexi; Firmicutes; Nitrobacter; Nitrosomonas; Planctomyces; Pseudomonas; ammonia; ammonium nitrogen; bacterial communities; chemical oxygen demand; high-throughput nucleotide sequencing; landfill leachates; membrane bioreactors; pollutants
Abstract:
... In this study, a laboratory-scale two-stage anoxic/oxic (A/O) combined membrane bioreactor (MBR) was operated for 113d for the treatment of landfill leachate. The average removal of chemical oxygen demand (COD), ammonia (NH4+-N) and total nitrogen (TN) achieved 80.60%, 99.04% and 74.87%, respectively. A mass balance evaluation suggested that the removal of COD, NH4+-N and TN occurred mainly in the ...
DOI:
10.1016/j.biortech.2017.07.002

20. Bacterial community shift and incurred performance in response to in situ microbial self-assembly graphene and polarity reversion in microbial fuel cell

Author:
Chen, Junfeng; Zhang, Lihua; Hu, Yongyou; Huang, Wantang; Niu, Zhuyu; Sun, Jian
Source:
Bioresource technology 2017 v.241 pp. 220-227
ISSN:
0960-8524
Subject:
Clostridium; Geobacter; Geothrix; Hydrogenophaga; Pseudomonas; bacteria; bacterial communities; bioanodes; biocathodes; electrochemistry; graphene; high-throughput nucleotide sequencing; microbial fuel cells
Abstract:
... In this work, bacterial community shift and incurred performance of graphene modified bioelectrode (GM-BE) in microbial fuel cell (MFC) were illustrated by high throughput sequencing technology and electrochemical analysis. The results showed that Firmicutes occupied 48.75% in graphene modified bioanode (GM-BA), while Proteobacteria occupied 62.99% in graphene modified biocathode (GM-BC), both wer ...
DOI:
10.1016/j.biortech.2017.05.123