EDUCATION

1990 M.Sc Technical Science St. Petersburg Technical University, Russia
1996 Ph.D Microbiology National Research Institute for Agricultural Microbiology, St. Petersburg, Russia

EXPERIENCE

1990-1992 Special Research Student, Genetics Laboratory, National Research Institute for Agricultural Microbiology, St. Petersburg, Russia
1992-1996 Graduate Student, Genetics Laboratory, National Research Institute of Agricultural Microbiology, Saint Petersburg, Russia
5/1996-8/1996 Research Assistant, Genetics Department, University of Bielefeld. Germany
5/1997-8/1997 Visiting Research Scientist, Genetics Department, University of Bielefeld. Germany
1996-1998 Research Scientist, National Research Institute of Agricultural Microbiology, Saint Petersburg, Russia
1998-2003 Postdoctoral Research Scientist, Institute of Biological Chemistry, Washington State University, Pullman, WA
2003 - present Assistant Research Professor, Institute of Biological Chemistry, Washington State University, Pullman, WA

HONORS

11th International Congress on Molecular Plant-Microbe Interactions Poster Competition, Second Place, 2003

GENERAL RESEARCH ACTIVITIES

Gene expression and intermediary metabolism in the Rhizobium-legume symbiosis.

PUBLICATIONS

Yurgel S. N., L. A. Sharypova., L. A. Syrtsova, S. Y. Druzhinin, A. P. Sadkov and B. V. Simarov. 1996. Respiratory activity and symbiotic effectiveness in the nodule bacterium Rhizobium meliloti. Microbiology. 65:517-521. (in Russian)

Yurgel S. N., M. Soberon, L. A. Sharypova, J. Miranda, C. Morera and B. V. Simarov. 1998. Isolation of Sinorhizobium meliloti Tn5 mutants with altered cytochrome terminal oxidase expression and improved symbiotic performance. FEMS Microbiol Lett. 165:167-173.

Yurgel S. N., L. A. Shatypova and B. V. Simarov. 1998. Mutations Tn5 of Rhizobium meliloti enhancing the redox potential of free-living cell and the effectiveness of their symbiosis with alfalfa. Russian Journal of Genetics. 34:601-605.

Zatovskaya T. V., K. V. Ushakov, S. N. Yurgel, L. V. Kosenko, I. Y. Zakharova and B. V. Simarov. 1998. Tn5 mutants of Rhizobium meliloti with altered composition of polysaccharides and analysis of their symbiotic properties. Russian Journal of Genetics 34:606-611.

Sharypova L. A., S. N. Yurgel, M. Keller, B. V. Simarov, A. Puhler and A. Becker. 1999. The eff-482 locus of Sinorhizobium meliloti CXM1-105 that influences symbiotic effectiveness consists of three genes encoding an endoglycanase, a transcriptional regulator and an adenylate cyclase. Mol Gen Genet. 261:1032-1044.

Yurgel S. N. and B. V. Simarov. 1999. Rhizobial electron transport chain and its genetic determination. Russia Journal of Genetics. 35:101-109.

Yurgel S. N., M. W. Mortimer, K. N. Rogers and M. L. Kahn. 2000. New substrates for the dicarboxylate transport system of Sinorhizobium meliloti. J Bacteriol. 182(15):4216-4221.

Zatiovskaia T. V., L. V. Kosenko, S. N. Yurgel and B. V. Simarov. 2000. LPS mutants of Sinorhizobium meliloti and their nodulation competitiveness. Mikrobiol Z. 62:27-37.

Yurgel S. N. and M. L. Kahn. 2003. Rhizobial dicarboxylate transport system. Review. FEMS Microbiol Reviews (in press).

Kahn M. L., B. K. Schroeder, B. L. House, M. W. Mortimer, S. N. Yurgel, Maloney, K. L. Warren, R. F. Fisher, M. J. Barnett, C. Toman and S. R. Long. 2004. Foraging for meaning—Postgenome approaches to Sinorhizobium meliloti. In " Biology of Molecular Plant-Microbe Interactions, Volume 4, Eds: B Lugtenberg, I Tikhonovich, and N Provorov (in press).

Schroeder, B. K., B. L. House, M. W. Mortimer, S. N. Yurgel, S. C. Maloney, K. L. Warren, S. R. Long and M. L. Kahn. 2004. The ORFeome of Sinorhizobium meliloti: cloning and genetic manipulation (in preparation).

Yurgel S. N. and Kahn M. L. 2004. Sinorhizobium meliloti dctA mutants with partial ability to transport dicarboxylate acids (in preparation).

ABSTRACTS

Sharypova, L. A., S. N. Yurgel, A. Becker, M. Keller, B. V. Simarov, and A. Puhler. 1997. Sequencing and expression analysis of the Sinorhizobium meliloti locus EFF-482 which was identified by Tn5 insertion enhancing symbiotic effectiveness. In Biologicla Nitorgen Fixation for the 21 century. (eds. C. Elmerich, A. Kondorosi, and W. E. Newton) Kluwer Academic Publishers. p.269. (Abstract)

Yurgel, S. N. and M. L. Kahn. 2002. Symbiotic phenotype of Sinorhizobium meliloti dctA mutants. In 18th North American Conference on Symbiotic Nitrogen Fixation. University of Missouri. p.22. (Abstract)

Yurgel S. N., M. A. Ziegler and M. L. Kahn. 2003. Sinorhizobium meliloti DctA mutatns wiht partial ability to transport dicarboxylic acids. 11th International Congress on Molecular Plant-Microbe Interactions. (Abstract)

Schroeder, B. K., B. L. House, M. W. Mortimer, S. C. Maloney, K. L. Warren, S. Yurgel and M. L. Kahn. 2003. Genetic manipulation of the Sinorhizobium meliloti 1021 genome. 9th Japan-U.S. Conference on Plant-Pathogen Interactions: Genomic and Genetic Analysis of Plant Parasitism and Defense. (Abstract)

Schroeder B. K., B. L. House, M. W. Mortimer, S. C. Maloney, K. L. Warren, S. Yurgel and M. L. Kahn. 2003. Genetic Manipulation of the Sinorhizobium meliloti 1021 genome. Phytopathology 91:70. (Abstract)

Schroeder B. K., B. L. House, M. W. Mortimer, S. C. Maloney, K. L. Warren, S. Yurgel and M. L. Kahn. 2003. Genetic Manipulation of the Sinorhizobium meliloti 1021 genome. 11th International Congress on Molecular Plan