Ann M. Stevens

Assistant Professor, Department of Biology

4020 Derring Hall, Virginia Tech

Blacksburg, VA 24061

(540)-231-9378 (phone); (540)-231-9307 (FAX); ams@vt.edu (E-mail)

 

Education and Professional Experience:

 

1997-present Assistant Professor, Biology, Virginia Tech, Blacksburg, VA
1992-1996

Postdoctoral Research, Microbiology, University of Iowa, Iowa City, IA

Advisor:  Dr. E. Peter Greenberg

1987-1993

M.S. and Ph.D., Microbiology, University of Illinois, Urbana, IL

Advisor:  Dr. Abigail A. Salyers

Thesis:  A central regulatory locus controls tetracycline regulated functions on a Bacteroides tetracycline resistant conjugal chromosomal element.

1983-1987

B.S. with Distinction, Microbiology, Iowa State University, Ames, IA

Advisor:  Dr. John G. Holt


Teaching Experience:

Physiology of Microorganisms Instructor (BIOL 4984 and BIOL 5604), Virginia Tech, 1 semester

Cell and Molecular Biology Instructor (BIOL 2104), Virginia Tech, 5 semesters

Pathogenic Microbiology Teaching Assistant, University of Illinois-Urbana, 1 semester

General Microbiology Laboratory Teaching Assistant, University of Illinois-Urbana, 1 semester


Honors and Fellowships:
1999-2004 NSF CAREER Award Recipient
1999-present Ad Hoc Reviewer, NSF Grants
1997-present Ad Hoc Reviewer, Molecular Microbiology
1994-1996 NIH Postdoctoral Trainee in Infectious Diseases, University of Iowa
1994-present Ad Hoc Reviewer, Journal of Bacteriology
1988-1991 NIH Predoctoral Trainee in Cell & Molecular Biology, University of Illinois
1990 Monsanto Fellowship, University of Illinois
1989 Excellent Instructor Ranking, University of Illinois
1987-1988 DeBoer Fellowship in Microbiology, University of Illinois
1986 Phi Kappa Phi, Iowa State University
1985 Phi Beta Kappa, Iowa State University
1983-1987 Dean's List, Iowa State University


Memberships in Professional Societies:

American Society for Microbiology, American Association for the Advancement of Science,

Association of Women in Science and Engineering at Virginia Tech, Organization of Women Faculty at Virginia Tech and Sigma Xi, The Scientific Research Society


Publications:

Stevens, A. M., N. Fujita, A. Ishihama and E. P. Greenberg. 1999. Involvement of the RNA polymerase a-subunit C-terminal domain in LuxR-dependent activation of the Vibrio fischeri luminescence genes. J. Bacteriol. 181:4704-4707.

Stevens, A. M. and E. P. Greenberg. 1999. Transcriptional activation by LuxR, pp. 231-242. In: Cell-Cell Communication in Bacteria (G. M. Dunny and S. C. Winans, eds.), ASM Press Washington D.C.

Hanzelka, B. L., A. M. Stevens, M. R. Parsek, T. J. Crone, and E. P. Greenberg. 1997. Mutational analysis of the Vibrio fischeri LuxI polypeptide: Critical regions of an autoinducer synthase. J. Bacteriol.  179:4882-4887.

Bassler, B. L., E. P. Greenberg and A. M. Stevens. 1997. Cross-species induction of luminescence in the quorum sensing bacterium Vibrio harveyi. J. Bacteriol.  179:4043-4045.

Stevens, A. M. and E. P. Greenberg. 1997. Quorum sensing in Vibrio fischeri: Essential elements for activation of the luminescence genes. J. Bacteriol. 179:557-562.

Salyers, A. A., N. B. Shoemaker, A. M. Stevens, and L.-Y. Li. 1995. Conjugative transposons: An unusual and diverse set of integrated gene transfer elements. Microbiol. Rev. 59:579-590.

Salyers, A. A., N. B. Shoemaker, and A. M. Stevens. 1995. Tetracycline regulation of conjugal transfer genes, p. 393-400. In: Two-Component Signal Transduction (J. A. Hoch and T. J. Silhavy, eds.), ASM Press Washington, D. C.

Stevens, A. M., K. M. Dolan, and E. P. Greenberg. 1994. Synergistic binding of the Vibrio fischeri LuxR transcriptional activator domain and RNA polymerase to the lux promoter region. Proc. Natl. Acad. Sci. USA 91:12619-12623.

Shoemaker, N. B., G.-R. Wang, A. M. Stevens, and A. A. Salyers. 1993. Excision, transfer and integration of NBU1, a mobilizable site selective insertion element. J. Bacteriol. 175:6578-6587.

Stevens, A. M., N. B. Shoemaker, L.-Y. Li, and A. A. Salyers. 1993. Tetracycline regulation of genes on Bacteroides conjugative transposons. J. Bacteriol. 175:6134-6141.

Stevens, A. M., J. M. Sanders, N. B. Shoemaker, and A. A. Salyers. 1992. Genes involved in production of plasmidlike forms by a Bacteroides conjugal chromosomal element share amino acid homology with two-component regulatory systems. J. Bacteriol. 174:2935-2942.

Stevens, A. M., N. B. Shoemaker, and A. A. Salyers. 1990. The region of a Bacteroides conjugal chromosomal tetracycline resistance element which is responsible for production of plasmidlike forms from unlinked chromosomal DNA might also be involved in transfer of the element. J. Bacteriol. 172:4271-4279.

Medda, S., A. M. Stevens, and R. T. Swank. 1987. Involvement of the esterase active site of egasyn in compartmentalization of b-glucuronidase within the endoplasmic reticulum. Cell 50:301-310.


Abstracts and Presentations at National and International Meetings:

2000 Wind River Conference on Procaryotic Biology, Estes Park, CO     
  American Society for Microbiology General Meeting, Los Angeles, CA
1999 Molecular Genetics of Bacteria and Phages Meeting, Madison, WI
1998 American Society for Microbiology General Meeting, Atlanta, GA
1996 Ninth International Symposium on Bioluminescence and Chemiluminescence,   Wood Hole, MA
1996 American Society for Microbiology General Meeting, New Orleans, LA
1995  Invited Speaker, Gordon Research Conference on Mechanism of Microbial  Adherence and Signalling, Newport, RI
1995 Speaker, Bacterial Locomotion and Signal Transduction Meeting, Austin, TX
1993 Maui Bioluminescence Symposium, Maui, HI
1992 Speaker, Fourth European Congress and Second International Symposium on   Anaerobic Bacteria and Infections, Hofburg, Vienna, Austria
1989, 1991 Molecular Genetics of Bacteria and Phages: Prokaryotic Genetic Regulation Meeting, Cold Spring Harbor Laboratory, NY
1990 Fallen Leaf Lake Conference on Promiscuous Plasmids of Gram-positive and -negative Bacteria, Lake Tahoe, CA
1988 Speaker, Southeastern Microbial Physiology and Genetics Conference, Maggie Valley, NC


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