Ph.D. Graduate Research Assistantship

Physiology and Drought Tolerance of Endophyte-Infected Switchgrass



A Ph.D. graduate research assistantship is available in the Department of 
Forest Resources and Environmental Conservation at Virginia Polytechnic 
Institute and State University at Blacksburg and the Institute for Sustainable 
and Renewable Resources in Danville, Virginia.  The study will investigate 
endophyte-infected switchgrass physiological processes related to plant 
performance by measuring plant photosynthesis rate, water use efficiency, 
drought tolerance, and carbon sequestration following bacterial inoculation of 
switchgrass plants in both greenhouse and field settings.  The work will be 
co-directed by Drs. John Seiler (Virginia Tech) and Chuansheng Mei (ISRR) and 
will provide a unique opportunity to work at both the whole- plant physiology 
and molecular levels and with an interdisciplinary team of scientists.

This project is supported by the Department of Energy/USDA-Plant Feedstock 
Genomics for Bioenergy program.  Switchgrass is one of the most promising 
feedstock crops in the overall sustainable bioenergy vision of the U.S.  It is 
stress-tolerant and can grow on marginal lands; however, its yields can vary 
from site to site and from year to year. The utilization of naturally-occurring 
beneficial bacterial endophytes with switchgrass represents a practical and 
feasible way to develop a low-input and sustainable feedstock production 
system. The ultimate goal of the larger research project  is to understand the 
molecular and physiological mechanisms by which the bacterial endophyte 
promotes switchgrass growth.  An M.S. degree in plant physiology, 
ecophysiology, or related field is required. Previous experience with 
whole-plant physiological measurements is desired.

The Department of Forest Resources and Environmental Conservation ( 
http://www.cnre.vt.edu/forestry) at Virginia Tech has excellent ecophysiology 
laboratories and strong programs in all aspects of forestry, including forest 
soils, watersheds and wetlands, and remote sensing and geospatial analysis.  
The Institute  for Sustainable and Renewable Resources ( 
http://www.ialr.org/research/isrr ) is a state-of-the-art facility jointly 
affiliated with the Departments of Horticulture and Forest Resources and 
Environmental Conservation at Virginia Tech.  The Institute has brought 
together expertise in plant tissue culture, plant molecular biology, genomics, 
molecular breeding, and information technology to facilitate the development 
and propagation of novel ornamental, crop, and forestry plant varieties.  
Strong supporting programs in Crop and Soil Environmental Science, 
Horticulture, Botany, and Chemistry exist at Virginia Tech (http://www.vt.edu). 
 Ph.D. assistantships in the Department of Forest Resources and Environmental 
Conservation at Virginia Tech start at approximately $21,000 per year.  Tuition 
is waived for students on assistantship.  Graduate research assistants are 
actively involved in the departmental teaching program.

Interested students should contact:

Dr. John Seiler, jsei...@vt.edu<mailto:jsei...@vt.edu>

Professor of Forest Ecophysiology

Department of Forest Resources and

     Environmental Conservation (0324)

Virginia Tech, Blacksburg, VA   24061

(540) 231-5461



OR

Dr. Chuansheng Mei, chuansheng....@ialr.org<mailto:chuansheng....@ialr.org>
Institute for Advanced Learning and Research
150 Slayton Ave.
Danville, VA  24540
(434) 766-6704

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