YA-JUN GAO

  Permanent Address:

  College of Resources and Environment

  Northwest A&F University

  Taicheng Road No.3

  Yangling, Shaanxi Province 712100

  P.R.China

  Tel: +86-029-87080083

  Fax: +86-029-87080055

  E-mail: yajungao@nwsuaf.edu.cn <mailto:yajungao@nwsuaf.edu.cn>; yajungao2008@126.com <mailto:yajungao2008@126.com>

  Professor

  Soil Science and Plant Nutrition

  Degree(s):

  PhD, Plant Nutrition, Northwest A&F University, P.R. China

  MSc, Soil Science and Plant Fertilization, Northwest A&F University, P.R. China

  B. Agronomy, Soil Science and Plant Fertilization, Northwest A&F University, P.R. China

  Research Interests:

  [1]Biology of nitrogen efficient use by plant

  [2]Regulatory of G-protein signal transduction in plant nitrogen utilization

  [3]Green manure roles in agriculture of dryland

  Professional Experience:

  2008-    :  Professor of Soil Science and Plant Nutrition, Northwest A&F University, P.R. China

  2005-2007:  Visiting Associate Professor of Plant Physiology, Department of Botany, University of British Columbia, Canada

  2001-2008:  Associate professor of Soil Science and Plant Nutrition, Northwest A&F University, P.R. China

  1995-2000:  Lecturer of Plant Nutrition Group, Northwest A&F University, P.R. China

  1995-1995:  Visiting Trainee for the Post-graduate Course of Integrated Rural Regional Development Planning, Development Study Center, Rehovot, Israel

  1990-1994:  Research Assistant, Northwest A&F University, P.R. China

  Research Projects and Support (from 2000):

  [1]2013-2016, The Regulation of Heterotrimeric G-proteins Signaling in Nitrate Transport of Plant, funded by Northwest A&F Unversity, Ya-jun Gao

  [2]2011-2015, Technology integration and demonstration of green manure crops planting and utilization in Loess plateau, funded by Ministry of Agriculture, Ya-jun Gao, Zhao-hui Wang, Hu-bin Zhao, Wen-xiang He

  [3]2008-2010, ’Heterotrimeric G protein <http://en.wikipedia.org/wiki/Heterotrimeric_G_protein>s roles in BRs signal transduction in Arabidopsis thaliana <http://www.answers.com/topic/arabidopsis-thaliana-1>, funded by Ministry of Education, Ya-jun Gao, Liang Yin, Chang Qing

  [4]2009-2011, Physiology and molecular biology mechanism of efficient use of nitrogen by rapeseed, funded by Ministry of Education, Ya-jun Gao, Rui Yang

  [5]2008-2010, Screening of high-nitrogen-efficiency cultivars of oilseed rape and its molecular biology, funded by Northwest A&F University, Ya-jun Gao, Lan-qin Cao, Ya-jun Li

  [6]2005-2007, The reasons and mechanism of the reduction of wheat yield under straw mulching in dryland, grant from The National Natural Science Foundation of China, Ya-jun Gao, Wei Liu, Jun-lin Yang, Ying Hua

  [7]2003-2006, Studies on physiological characteristics, ecological and environmental impact of agricultural production with high quality, high yield and high efficiency on dryland in  Northwest China, grant from The National Natural Science Foundation of China, Sheng-xiu Li, Jian-bin Zhou, Ya-jun Gao, Shi-qing Li, Xiao-hong Tian, Zhao-hui Wang, Ai-guang Guo

  [8]2003-2005, Residual nitrate and its regulation in soil of dryland, grant from The National Natural Science Foundation of China, Zhao-hui Wang, Yun Li, Ya-jun Gao

  [9]1998-2002, Effects of optimized water and nutrients management on crop yield,  grant from The National Natural Science Foundation of China, Sheng-xiu Li,  Ya-jun Gao, Shi-qing Li, Xiao-hong Tian, Zhao-hui Wang

  Teaching:

  [1]Molecular Biology of Plant Nutrition (Graduate Students)

  [2]Soil and Fertilizer (Undergraduate Students)

  [3]Experiment Design and Statistics Analysis (Undergraduate Students)

  Publications (from 2005):

  [1]Zhang Dabin, Yao Pengwei, Zhao Na, Wang Zheng, Yu Changwei, Cao Qunhu, Cao Weidong and Gao Yajun*. Responses of Winter Wheat Production to Green Manure and N Fertilizer on the Loess Plateau. Agronomy Journal. 2015,107(1):1-14 (doi:10.2134/agronj14.0432)(*Corresponding author)

  [2]LI Yun, LIU Wei, WANG Zhaohui, GAO Yajun*. A Comparison of the Use of Residual Soil Nitrate by Winter Wheat and Alfalfa in the Drylands of China’s Loess Plateau. Acta Ecologica Sinica,2014,34(13):3788-3796 (in Chinese with English abstract) (*Corresponding author)

  [3]Fu Jie, Tian Hui, Gao Ya-jun. Study progress of molecular approaches in improving nitrogen use efficiency of crop plants. Soil and Fertilizer Sciences, 2013(4):1-5,82(in Chinese with English abstract)

  [4]Yang Rui, Wu Xiao-ming, An Rong, Li Ya-jun, Zhang Yu-yin, Chen Bi-yun, Gao Ya-jun*. Differences of nitrogen use efficiency of rapeseed (Brassica napus L.) genotypes and their relations to agronomic and nitrogen characteristics. Plant Nutrition and Fertilizer Sciences, 2013,19(3):586-596(in Chinese with English abstract) (*Corresponding author)

  [5]Zhang Dabin, Yao Pengwei, Li Jing, Zhao Na, Wang Zheng, Yu Changwei, Cao Qunhu, Cao Weidong, Gao Yajun*. Effects of Two Years’ Incorporation of Leguminous Green Manure on Soil Properties of a Wheat Field in Dryland Conditions. Acta Ecologica Sinica, 2013,33(7):2272-2281(in Chinese with English abstract) (*Corresponding author)

  [6]S.X. Li, Z.H.Wang, S.Q. Li, Y.J. Gao, X.H. Tian. Effect of plastic sheet mulch, wheat straw mulch, and maize growth on water loss by evaporation in dryland areas of China. Agricultural Water Management, 2013, 116:39-49

  [7]Cao Lan-Qin, Wu Xiao-Ming, Yang Rui, Tian Yang-Yang, Chen Xian-Ni, Chen Bi-Yun, Li Ya-Jun, Gao Yajun*. Differences of Nitrogen Status between Different N- Uptake-Efficiency Rapeseed (Brassica napus L.) Cultivars. Acta   Agronomica Sinica, 2012,38(5): 887?895 (in Chinese with English abstract) (*Corresponding author)

  [8]Zhao Na, Zhao Hubin, Yu Changwei, Cao Qunhu, Li Min, Cao Weidong, Gao Yajun*. Nutrient releases of leguminous green manures in rainfed lands. Plant Nutrition and Fertilizer Sciences, 2011,17(5):1179-1187 (in Chinese with English abstract) (*Corresponding author)

  [9]Zhao Jun-xia, Qiao Xian-hua, Zhang Ping-ping, Chen Jian-mei, Gao Ya-jun*. 2010. Differences of Fe content of wheat seed between high-Fe genotypes and low-Fe genotypes and the relationship of seed Fe content to economic characteristics. Agricultural Research in the Arid Areas, 28(3): 114-119,128 (in Chinese with English abstract) (*Corresponding author)

  [10]S. X. Li, Z. H. Wang, T. T. Hu, Y. J. Gao and B. A. Stewart. Nitrogen in Dryland Soils of China and Its Management. Advances in Agronomy, 2009,101: 123-181

  [11]Sheng-Xiu Li, Zhao-Hui Wang, S. S. Malhi, Shi-Qing Li, Ya-Jun Gao, and Xiao-Hong Tian. Nutrient and Water Management Effects on Crop Production, and Nutrient and Water Use Efficiency in Dryland Areas of China. Advances in Agronomy, 2009, 102:221-262

  [12]Yajun Gao, Yun Li, Jianchang Zhang, Wenguo Liu, Zhanping Dang, Weixian Cao, and Qin Qiang. 2009. Effects of mulch, N fertilizer, and plant density on wheat yield, wheat nitrogen uptake, and residual soil nitrate in a dryland area of China. Nutrient Cycling in Agroecosystems. DOI:10.1007/s10705-009-9252-0

  [13]Zhang Yue-xia, Gao Ya-jun*, Yang Jun-ling, Liu Wei, Li Long, Xiao Ling-ling, Mao Ning, Tian Lian-gui. 2009. Effects of Nitrogen Rate on Nitrogen Uptake and Utilization of Winter Wheat and Residual Nitrate in Soil under Straw Mulch. Agricultural Research in the Arid Areas, 27(2): 189-193 (in Chinese with English abstract) (*Corresponding author)

  [14]Gao Ya-jun, Zheng Xian-feng, Li Shi-qing, Tian Xiao-hong, Wang Zhao-hui, Li Sheng-xiu. 2008. Requirements of Water and N Fertilizer to Increase Winter Wheat Yield Under Straw Mulch. Transactions of the CSAE, 24(1):55-59 (in Chinese with English abstract)

  [15]Cheng Jie, Gao Ya-jun*, Qiang Qin. 2008. Effects of different wheat cultivation methods on residual nitrate nitrogen in soil in wWeibei dryland. Journal of Soil and Water Conservation, 22(4):104-110(in Chinese with English abstract) (*Corresponding author)

  [16]Yajun Gao, Shucai Wang, Tadao Asami, and Jin-Gui Chen. 2008. Loss-of-function Mutations in the Arabidopsis Heterotrimeric G-protein Subunit Enhance the Developmental Defects of Brassinosteroid Signaling and Biosynthesis Mutants. Plant and Cell Physiology, 49(7): 1013-1024

  [17]Gao Y, Zeng Q, Guo J, Ellis BE, et al. 2007. Genetic characterization of GCR2 in abscisic acid inhibition of seed germination and early seedling development in Arabidopsis. The Plant Journal, 52(6):1001-1013

  [18]Johnston CA, Taylor JP, Gao Y, et al. 2007. GTPase acceleration as the rate-limiting step in Arabidopsis G protein-coupled sugar signaling. PNAS, 104(44): 17317- 17322

  [19]Johnston CA, Temple BR, Chen JG, Gao Y, et al. 2007. Comments on ‘A G Protein-Coupled Receptor Is a Plasma Membrane Receptor for the Plant Hormone Abscisic Acid’. Science,318, 914c DOI: 10.1126/ science. 1143230

  [20]Chang Y, Guo J, Gao Y, Chen JG. 2007.  Modulation of root cell division by the heterotrimeric G-proteins in Arabidopsis. Dynamic Cell Biology 1: 72-78.

  [21]Jin-Gui Chen, Yajun Gao, and Alan M. Jones. 2006. Differential Roles of Arabidopsis Heterotrimeric G-Protein Subunits in Modulating Cell Division in Roots. Plant Physiol. 141(3): 887-897