01/2019-present Associate Prof. in Microbiology, College of Life Sciences, Nanjing Agricultural University, China.
07/2019-08/2020 Visiting Scholar in Microbiology, School of Medicine, University of Washington, Seattle, USA.
04/2016-12/2018 Assistant Prof. in Microbiology, College of Life Sciences, Nanjing Agricultural University, China.
04/2014-04/2016 Postdoc in Environmental Science and Technology, College of Environment, Zhejiang University of Technology, China.
09/2010-03/2014 Ph.D. in Environmental Science, College of Environmental and Resource Sciences, Zhejiang University, China.
09/2006-06/2009 M.S. in Microbiology, College of Life Sciences, Nanjing Agricultural University, China.
09/2001-06/2005 B.S. in Sericulture, School of Forestry, Shandong Agricultural University, China
Si-Qiong Xu, Xiao Wang, Lu Xu, Ke-Xin Wang, Yin-Hu Jiang, Fu-Yin Zhang, Qing Hong, Jian He, Shuang-Jiang Liu, Ji-Guo Qiu. The MocR family transcriptional regulator DnfR has multiple binding sites and regulates Dirammox gene transcription in Alcaligenes faecalis JQ135. Environmental Microbiology, 2023, https://doi.org/10.1111/1462-2920.16318.
Yang Mu, Siqiong Xu, Guiping Liu, Minggen Cheng, Weixian Dai, Qing Chen, Xin Yan, Qing Hong, Jian He, Jiandong Jiang*, Jiguo Qiu*. A novel monooxygenase gene dipD in dip gene cluster of Alcaligenes faecalis JQ135 is essential for the initial catabolism of dipicolinic acid. Applied and Environmental Microbiology, 2022, 88 (14): e00360-22.
Siqiong Xu, Xiao Wang, Fuyin Zhang, Yinhu Jiang, Yanting Zhang, Minggen Cheng, Xin Yan, Qing Hong, Jian He, Jiguo Qiu*. PicR as a MarR family transcriptional repressor multiply controls the transcription of picolinic acid degradation gene cluster pic in Alcaligenes faecalis JQ135. Applied and Environmental Microbiology, 2022, 88 (11): e00172-22.
Siqiong Xu, Yinhu Jiang, Fuyin Zhang, Xiao Wang, Kaiyun Zhang, Lingling Zhao, Qing Hong, Jiguo Qiu*, Jian He*. The TetR family repressor HpaR negatively regulates the catabolism of 5-hydroxypicolinic acid in Alcaligenes faecalis JQ135 by binding to two unique DNA sequences in the promoter of hpa operon. Applied and Environmental Microbiology, 2022, 88 (6): e02390-21.
Siqiong Xu, Xinxin Qian, Yinhu Jiang, Yaling Qin, Fuyin Zhang, Kaiyun Zhang, Qing Hong, Jian He, Lili Miao, Zhipei Liu, Defeng Li, Shuangjiang Liu*, Jiguo Qiu*. Genetic foundations of direct ammonia oxidation (Dirammox) to N2 and MocR-like transcriptional regulator DnfR in Alcaligenes faecalis JQ135. Applied and Environmental Microbiology, 2022, 88 (6): e02261-21.
Lingling Zhao, Zhenyang Zhao, Kaiyun Zhang, Xuan Zhang, Siqiong Xu, Junwei Liu, Bin Liu, Qing Hong, Jiguo Qiu*, Jian He. Cotinine hydroxylase CotA initiates biodegradation of wastewater micropollutant cotinine in Nocardioides sp. strain JQ2195. Applied and Environmental Microbiology, 2021, 87 (18): e00923-21.
Jiguo Qiu, Lingling Zhao, Siqiong Xu, Qing Chen, Le Chen, Bin Liu, Qing Hong, Zhenmei Lu, Jian He*. Identification and characterization of a novel pic gene cluster responsible for picolinic acid degradation in Alcaligenes faecalis JQ135. Journal of Bacteriology, 2019, 201 (16): e00077-19.
Jiguo Qiu, Yanting Zhang, Shigang Yao, Hao Ren, Meng Qian, Qing Hong, Zhenmei Lu*, Jian He*. Novel 3, 6-dihydroxypicolinic acid decarboxylase mediated picolinic acid catabolism in Alcaligenes faecalis JQ135. Journal of Bacteriology, 2019, 201 (7): e00665-18.
Jiguo Qiu, Bin Liu, Lingling Zhao, Yanting Zhang, Dan Cheng, Xin Yan, Jiandong Jiang, Qing Hong, Jian He*. A novel degradation mechanism for pyridine derivatives in Alcaligenes faecalis JQ135. Applied and Environmental Microbiology, 2018, 84 (15): e00910-18.
Jiguo Qiu, Yin Wei, Yun Ma, Rongti Wen, Yuezhong Wen, Weiping Liu*. A novel (S)-6-hydroxynicotine oxidase gene from Shinella sp. strain HZN7. Applied and Environmental Microbiology, 2014, 80 (18): 5552-5560.
Jiguo Qiu, Yun Ma, Jing Zhang, Yuezhong Wen, Weiping Liu*. Cloning of a novel nicotine oxidase gene from Pseudomonas sp. strain HZN6 whose product nonenantioselectively degrades nicotine to pseudooxynicotine. Applied and Environmental Microbiology, 2013, 79 (7): 2164-2171.
Jiguo Qiu, Yun Ma, Yuezhong Wen, Liansheng Chen, Lifei Wu, Weiping Liu*. Functional identification of two novel genes from Pseudomonas sp. strain HZN6 involved in the catabolism of nicotine. Applied and Environmental Microbiology, 2012, 78 (7): 2154-2160.