Suo Liu

State Key Joint Laboratory of Environment Simulation and Pollution Control

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Yifan Su

State Key Joint Laboratory of Environment Simulation and Pollution Control

Qun Gao

Beijing Normal University

Ruiping Liu

State Key Joint Laboratory of Environment Simulation and Pollution Control

Jing Zhao

State Key Joint Laboratory of Environment Simulation and Pollution Control

Jiuhui Qu

State Key Joint Laboratory of Environment Simulation and Pollution Control

Huijuan Liu

Tsinghua University

Yufei Zeng

State Key Joint Laboratory of Environment Simulation and Pollution Control

Shaoqing Zhu

Northwest University

Tianjiao Dai

Tsinghua University

Yunfeng Yang

State Key Joint Laboratory of Environment Simulation and Pollution Control

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State Key Joint Laboratory of Environment Simulation and Pollution Control

Tsinghua University

Chinese Academy of Sciences

Research Center for Eco-Environmental Sciences

University of Oklahoma

East China University of Science and Technology

Beijing Forestry University

Kunming Medical University

Beijing Normal University

Tsinghua–Berkeley Shenzhen Institute

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Anaerobic Acidogenesis Improvement and Fermentation-Type Regulation by Quorum Sensing

ACS ES&T Engineering (2024)

Shunan Zhao Ge Song Suo Liu Jing Zhao Kai Zhao

Acidogenesis

10.1021/acsestengg.4c00220

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Bacteria are better predictive biomarkers of environmental estrogen transmission than fungi

Environmental Pollution (2022)

Suo Liu Hanbo Gao Qiang Dong Yifan Su Tianjiao Dai

10.1016/j.envpol.2022.118838

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Quorum Sensing Enhances Direct Interspecies Electron Transfer in Anaerobic Methane Production

Environmental Science & Technology (2024)

Shunan Zhao Shaoqing Zhu Suo Liu Ge Song Jing Zhao

Direct interspecies electron transfer (DIET) provides an innovative way to achieve efficient methanogenesis, and this study proposes a new approach to upregulate the DIET pathway by enhancing quorum sensing (QS). Based on long-term reactor performance, QS enhancement achieved more vigorous methanogenesis with 98.7% COD removal efficiency. In the control system, methanogenesis failure occurred at the accumulated acetate of 7420 mg of COD/L and lowered pH of 6.04, and a much lower COD removal of 41.9% was observed. The more significant DIET in QS-enhancing system was supported by higher expression of conductive pili and the c-Cyts cytochrome secretion-related genes, resulting in 12.7- and 10.3-fold improvements. Moreover, QS enhancement also improved the energy production capability, with the increase of F-type and V/A-type ATPase expression by 6.3- and 4.2-fold, and this effect probably provided more energy for nanowires and c-Cyts cytochrome secretion. From the perspective of community structure, QS enhancement increased the abundance of Methanosaeta and Geobacter from 54.3 and 17.6% in the control to 63.0 and 33.8%, respectively. Furthermore, the expression of genes involved in carbon dioxide reduction and alcohol dehydrogenation increased by 0.6- and 7.1-fold, respectively. Taken together, this study indicates the positive effects of QS chemicals to stimulate DIET and advances the understanding of the DIET methanogenesis involved in environments such as anaerobic digesters and sediments.

Methanosaeta

Geobacter

10.1021/acs.est.3c08503

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Microbial mediation of soil carbon loss at the potential climax of alpine grassland under warming

Soil Biology and Biochemistry (2024)

zhengxiong liang Xue Guo Suo Liu Yifan Su Yufei Zeng

Climax

10.1016/j.soilbio.2024.109395

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