Ph.D., Professor
Tel:86-10-62731301 (O)
Areas of Expertise:Plant Growth Regulation and Bioregulators
2004-Present  Professor,China Agricultural University,PRC
2003-2004  Visiting Scholar,North Dakota State University,University of California,Riverside,USA
1999-2003  Associate Professor,China Agricultural University,PRC
1997-1999  Postdoc,Beijing Forest University,PRC
1994-1997  PhD Candidate,China Agricultural University,PRC
1991-1994  Ms Candidate,Beijing Agricultural University,PRC
1987-1991  Undergraduate Student,Shandong Laiyang Agricultural College,PRC
Research of Special Interest
Crop chemical regulation, based on roles of hormones in plant growth and development, has proved to be an effective and potential novel approach for crop cultivation. Although there are lots of reports in molecular mechanism of hormonal regulation applying model plant like Arabidopsis, how hormones regulated important agronomic traits of crops under field condition, such as plant height and lodging resistance, is also poorly understood. The interests of my research group focus on hormonal regulation of growth and development in field crops, and the development of novel cultivation technical systems applying plant regulators to resolve problems in crop production.
1. Hormonal regulation of internodes elongation and lodging resistance in maize
Lodging is a worldwide problem for maize production, our research revealed the hormonal regulation mechanism of internodes elongation in maize stem, and proposed the complementary effects between ethephon and diethyl aminoethyl hexanoate for the first time, invented a new formulation of plant regulator and got registration on maize. Based on compound effects among chemical regulation and other cultivation factors, including maize varieties, sowing date, plant density, fertilizer and irrigation, we developed a new comprehensive cultivation system, resulting in lodging resistance and high yield. Our further research is to study molecular regulation mechanism of maize internodes elongation.
2. Root regulation and stress tolerance improvement in Bt cotton
We presented auxin/cytokinin ratio regulated lateral root initiation and roots apical dominance in maize and cotton seedlings, which helped us to establish the chemical regulation techniques for transgenic insecticide Bt cotton, with stronger roots and robust growth in seedling stage. We found the effects of salinity on toxins expression and insecticidal activity, and indicated that cronatine, a new plant growth regulator, could improve the NaCl tolerance of Bt cotton. Our further interest is how cronatine works and its crosstalk with plant hormones.
Publications      *Correspondence Author
Li MY, Li FJ, Yue YS, Tian XL, Li ZH, Duan LS. 2013. NaCl-Induced changes of ion fluxes in roots of transgenic Bacillus thuringiensis (Bt) cotton (Gossypium hirsutum L.). Journal of Integrative Agriculture, 12(3):436-444. DOI: 10.1016/S2095-3119(13)60244-0  
Zhu XF, Tan WM, Zhou F, Li ZH, Duan LS*. 2012. The effect of phosphate buffer solutions on uniconazole complexation with hydroxypropyl-beta-cyclodextrin and methyl-beta- cyclodextrin. Journal of Inclusion Phenomena and Macrocyclic Chemistry, 73(1-4):193-198.
Pang S, Duan LS, Liu ZQ, Song XY, Li XF*, Wang CJ. 2012. Co-induction of a glutathione-S-transferase, a glutathione transporter and an ABC transporter in maize by xenobiotics. PLOS ONE, 7(7): e40712.
Tan WM, Hou N, Pang S, Zhu XF, Li ZH, Wen LX, Duan  LS*. 2012. Improved biological effects of uniconazole using porous hollow silica nanoparticles as carriers. Pest Management Science, 68(3): 437-443.
Li XW, Shen XF, Li JM, Eneji AE, Li ZH, Tian XL, Duan LS*. 2010. Coronatine alleviates water deficiency stress on winter wheat seedlings. Journal of Integrative Biology, 52(7):616-625.
Shen XF, Zhou YY,  Duan LS*, Li  ZH, Eneji AE, Li JM. 2010. Silicon effects on photosynthesis and antioxidant parameters of soybean seedlings under drought and ultraviolet-B radiation. Journal of Plant Physiology, 167(15): 1248-1252.
Wang L, Chen WJ, Wang Q, Eneji AE, Li ZH,  Duan LS*. 2009. Coronatine Enhances Chilling Tolerance in Cucumber (Cucumis sativus L.) Seedlings by Improving the Antioxidative Defence System. Journal of Agronomy and Crop Science, 195(5):377-383.
Ai  L, Li ZH, Xie ZX, Tian XL, Eneji AE, Duan LS*. 2008. Coronatine alleviates polyethylene glycol-induced water stress in two rice (Oryza sativa L.) cultivars. Journal of Agronomy and Crop Science, 194(5): 360-368.
Wang BQ, Li ZH, Eneji AE, Tian XL, Zhai ZX, Li JM, Duan, LS*. 2008. Effects of coronatine on growth, gas exchange traits, chlorophyll content, antioxidant enzymes and lipid peroxidation in maize (Zea mays L.) seedlings under simulated drought stress. Plant Production Science, 11(3):283-290.
Xie ZX, Duan LS*, Tian XL, Wang BM, Eneji AE, Li ZH .2008. Coronatine alleviates salinity stress in cotton by improving the antioxidative defense system and radical-scavenging activity. Journal of Plant Physiology, 165(4):375-384.