Microbial Ecology of Artificial Aquatic Environments and Related Environmental Biotechnology, including:

• Environmental Phage Ecology and Development & Application of Related Resources
• Detection and Control Technologies for Emerging Pathogens in Water Supply Systems
• Biotreatment Technologies for Environmental Pollution

BE, Henan Normal University, Biological Science, 2003
PhD, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Environmental Engineering, 2010

• July 2010 – September 2012: Postdoctoral Fellow, College of Resources and Environment, University of Chinese Academy of Sciences
• October 2012 – June 2014: Lecturer, College of Resources and Environment, University of Chinese Academy of Sciences
• June 2014 – December 2025: Associate Professor, College of Resources and Environment, University of Chinese Academy of Sciences
• October – December 2016: Senior Visiting Scholar (JSPS Fellowship), The University of Tokyo, Japan
• December 2025 – Present: Professor, College of Resources and Environment, University of Chinese Academy of Sciences

• Second-Class Award for Science and Technology Progress, Chinese Institute of Navigation (2022)
• Capital Frontier Academic Achievement Award (2024)

• Zong Li, Xiaoxiao Guo, Bingxin Liu, Ting Huang, Ruyin Liu^*, Xinchun Liu^*. Metagenome sequencing reveals shifts in phage-associated antibiotic resistance genes from influent to effluent in wastewater treatment plants. Water Research. 2024; 253, 121289
• Bei Zhao, Ruyin Liu^*, Yuxian Li, Hao Xu, Xiangyi Li, Junnong Gu, Xiaolan Zhang, Yue Wang, Yansong Wang. Changes of putative pathogenic species within the water bacterial community in large-scale drinking water treatment and distribution systems. Water Research, 2024; 249: 120947
• Liu, R.^*, Li, Z., Han, G., Cun, S., Hou, D., Yu, Z., Xue, K. and Liu, X^*. Microbial density-dependent viral dynamics and low activity of temperate phages in the activated sludge process. Water Research, 2023; 232: 119709
• Li, Z., Cun, S., Han, G., Guo, X., Liu, B.., Huang, T., Hou, D., Liu, R.*, Liu, X.*, New insight into soluble extracellular metabolites during sludge bulking process based on excitation-emission matrix spectroscopy and ultrahigh-performance liquid chromatography-mass spectrometry. Environ Res 2022; 219: 115161.
• Liu, R.*, Li, Z., Han, G., Cun, S., Yang, M. and Liu, X. Bacteriophage ecology in biological wastewater treatment systems. Appl Microbiol Biotechnol, 2021; 105(13): p. 5299-5307
• Youfen Xu, Zong Li, Ruyin Liu^*, Hongxia Liang, et al. Validation of Bacteroidales-based microbial source tracking markers for pig fecal pollution and their application in two rivers of North China. Frontiers of Environmental Science & Engineering, 2020; 14
• JunGe Zhu, Ruyin Liu^*, Nan Cao, Jianwei Yu, et al. Mycobacterial metabolic characteristics in a water meter biofilm revealed by metagenomics and metatranscriptomics. Water Research, 2019; 153: p. 315-323.
• Lu, H., Liu, H., Lu, M., Wang, J., Liu, X.^* and Liu, R.^*.  2020.  Isolation and Characterization of a Novel myovirus Infecting Shigella dysenteriae from the Aeration Tank Water. Appl Biochem Biotechnol 192(1), 120-131.
• Lu, M., Liu, H., Lu, H., Liu, R.^* and Liu, X.^*  2020.  Characterization and Genome Analysis of a Novel Salmonella Phage vB_SenS_SE1. Curr Microbiol 77(7), 1308-1315.
• Tian, Z., Liu, R., Zhang, H., Yang, M. and Zhang, Y.  2019.  Developmental dynamics of antibiotic resistome in aerobic biofilm microbiota treating wastewater under stepwise increasing tigecycline concentrations. Environment international 131, 105008.
• Ruyin Liu, Rong Qi, Juan Wang, et al. Phage-host associations in a full-scale activated sludge plant during sludge bulking. Applied Microbiology and Biotechnology, 2017; 101(16): 6495-6504.
• Ruyin Liu, Yingxin Gao, et al. Characteristics of hydrocarbon hydroxylase genes in a thermophilic aerobic biological system treating oily produced wastewater. Water Sci Technol, 2015; 71(1): 75-82.
• Ruyin Liu, Junge Zhu, Zhisheng Yu, et al. Molecular analysis of long-term biofilm formation on PVC and cast iron surfaces in drinking water distribution system. Journal of Environmental Sciences. 2014; 26, 865-874.
• Ruyin Liu, Zhisheng Yu, Hongguang Guo, Miaomiao Liu, Hongxun Zhang, Min Yang. Pyrosequencing analysis of eukaryotic and bacterial communities in faucet biofilms. Science of the Total Environment. 2012; 435-436C:124-131.
• Ruyin Liu, Hongxun Zhang, Zhisheng Yu^*, Min Yang, et al. Diversity of bacteria and mycobacteria in biofilms of two urban drinking water distribution systems. Canadian Journal of Microbiology. 2012; 58: 261-270.
• Ruyin Liu, Dong Li, Yingxin Gao, Yu Zhang, Ran Ding, Min Yang^*. Microbial diversity in the anaerobic tank of a full-scale produced water treatment plant. Process Biochemistry 2010; 45: 744-751.
• Ruyin Liu, Yu Zhang, Ran Ding, Dong Li, Yingxin Gao, Min Yang^*. Comparison of archaeal and bacterial community structures in heavily oil-contaminated and pristine soils. Journal of Bioscience and Bioengineering 2009; 108: 400-407.
• Ruyin Liu, Ke Li, et al. Spatial distribution of microbial communities associated with dune landform in the Gurbantunggut Desert, China. J Microbiol, 2014; 52(11): 898-907.
• Ke Li, Ruyin Liu, et al. The diversity and abundance of bacteria and oxygenic phototrophs in saline biological desert crusts in Xinjiang, northwest China. Microb Ecol, 2013; 66(1): p. 40-8.
• Kapley, A., Ruyin Liu, et al. Shifts in Microbial Community and Its Correlation with Degradative Efficiency in a Wastewater Treatment Plant. Appl Biochem Biotechnol, 2015; 176(8): 2131-43.
• Hongguang Guo, Ruyin Liu, Zhisheng Yu^*, Hongxun Zhang, et al. Pyrosequencing reveals dominance of methylotrophic methanogenesis in a coal bed methane reservoir associated with Eastern Ordos Basin in China. International Journal of Coal Geology. 2012 (DOI: 0.1016/j.coal.2012.01.014)
• Qingxiang Yang^*, Zhenjie Jia, Ruyin Liu, Jianjun Chen. Molecular diversity and anammox activity of novel planctomycete-like bacteria in the wastewater treatment system of a full-scale alcohol manufacturing plant. Process Biochemistry 2007;42:180-187.
• Wenfang Lin, Zhisheng Yu^*, Xi Chen, Ruyin Liu, et al. Molecular characterization of natural biofilms from household taps with different materials: PVC, stainless steel, and cast iron in drinking water distribution system. Applied Microbiology and Biotechnology, 2013; 97, 8393-8401.
• Yanqin Deng, Yu Zhang, Hesham Ael-L, Ruyin Liu, Min Yang^*. Cell surface properties of five polycyclic aromatic compound-degrading yeast strains. Applied Microbiology Biotechnology 2010; 86:1933-1939.
• Yanqin Deng, Yu Zhang, Yingxin Gao ,Dong Li , Ruyin Liu, Miaomiao Liu , et al. Microbial community compositional analysis for series reactors treating high level antibiotic wastewater. Environmental science & technology, 2012; 46: 795-801.
• Dong Li, Min Yang^*, Jianying Hu, Jing Zhang, Ruyin Liu, Xin Gu, et al. Antibiotic-resistance profile in environmental bacteria isolated from penicillin production wastewater treatment plant and the receiving river. Environmental Microbiology 2009; 11: 1506-1517.
• 陈曦, 刘如铟^*, 王艳芬，张洪勋. 若尔盖高原湿地藻类多样性研究. 环境科学, 2012; 33: 979-986.
• 刘如铟，魏涛，何培新，张长铠. 裸盖菇属的真菌鉴定及分子生物学初探. 微生物学通报. 2006; 33