Scot Dowd CV - December 2001

 

Work History

11/01-present United States Department of Agriculture

Title: Microbiologist and adjunct Professor Animal Science and Food Technology Texas Tech University

11/00-11/01     United States Department of Agriculture-ARS

Title:     Postdoctoral Research Fellow

5/00-11/00       BioSeparations, Inc.

Title:     Research Scientist/Director of Environmental Research (May ‘00- Oct ‘00)

1/97-5/00         University of Arizona/USEPA Fellow

Title:     Graduate USEPA Research Fellow (June ‘98-May ‘00)

Graduate Research Associate (Jan ‘97- June ‘98)

6/93-12/96       Texas A&M University Environmental Research Center

Title:     Graduate Research Assistant (Apr. ‘96 - Dec ‘96)

Graduate Research Assistant (Aug. ‘95 - Apr. ‘96)

Laboratory Technician I (May ‘95 - Aug.’95)

Laboratory Associate I (Feb.’95 - May’95)

Laboratory Assistant (June ’94 – Feb. ’95)

Undergraduate Research Assistant (June ’93 – May ’94)

Specialized Skills

1)      Bioinformatic methods including evolutionary analyses, advanced primer and probe design, sequence analyses, statistics, and phylogenetics.

2)      Biochemical, molecular, cultural, and phylogentic methods for evaluation of microorganisms.

3)      Molecular methods including Cloning, Southern blotting, PCR, FISH, genetic library construction, sequencing, and probes.

4)      Immunological methods including IFA, IMS, ELISA, and in-situ methods.

5)      Microbiology including aeromicrobiology, pathogen recovery and detection, microscopy, molecular method development, pathogen transport, environmental modeling, and bioremediation.

 

Education

University of Arizona

Ph.D. Microbiology and Immunology: Environmental Microbiology May: 2000

University of Texas (EP)

Master of Science in Biology: Environmental Microbiology: 1996

Bachelor of Science in Microbiology:1994

 

Awards and honors:

Post Doctoral Research Fellowship USDA-Agricultural Research Service 2001

Award Outstanding Graduate Research: American Society for Microbiology. 2000

Grant graduate travel: American Society for Microbiology 2000.

Grant Pima County: Microbial Diversity of Mine-Tailings 1999-2000.

Grant USEPA Fellowship: Survey of drinking water for the presence of human pathogenic microsporidia. 1998-1999.

Grant NSF RTG: Molecular diversity of human pathogenic microsporidia: 1999.

USEPA Environmental Protection Agency STAR Fellowship Stipend: 1998-2000

Fellowship RTG Research Biological Diversity NSF 1999

Grant RTG Research Training Biological Diversity NSF 1998

Scholarship Air and Waste Management Outstanding Graduate Research Award 1999

Award Methods in Computer Sequence Analysis Workshop: Pittsburgh Supercomputing

Group 1998

Scholarship Full Academic Merit University of Arizona: 1998-1999

Award Outstanding Graduate Research: American Society for Microbiology. 1998

Scholarship Outstanding Graduate Research Award Air and Waste Management: 1997

Scholarship Full Academic Merit University of Arizona: 1997-1998.

Scholarship Tuition University of Arizona: 1997.

Award Travel Graduate Department: U.T.E.P. 1996.

Award Travel Biology Department Travel: U.T.E.P. 1996.

Award First Place Graduate Presentation American Society for Microbiology-Rio

Grande: 1995.

 

Books

  1. Contributing Editor for the Encyclopedia of Environmental Microbiology: “Co-editor of sections on Viruses and Protozoa”. Editor in Chief, Gabriel Bitton. John Wiley and Sons. In Preparation.

Book Chapters:

1.      Dowd, S. E. and S. D. Pillai. 1998.  Groundwater sampling for microbial analysis. In Microbial pathogens within aquifers. Ed. S. D. Pillai. Springer-Verlag. NY. ISBN 3-540-63891-1.

2.      Abbaszadegan, M., and S. E. Dowd; 1998. Detection of Enterovirus and bacteriophages. In Microbial pathogens within aquifers. Ed. S. D. Pillai. Springer-Verlag. NY. ISBN 3-540-63891-1.

3.      Dowd, S. E., R. Herman, and R. M. Maier. 1999. Aquatic Microbiology. In Environmental Microbiology. Ed R. M. Maier, I. L. Pepper, and C. P Gerba. Academic Press. San Diego, CA ISBN: 0124975704

4.      Dowd, S. E. and R. M. Maier; 1999.  Aeromicrobiology.  In Environmental Microbiology. Ed R. M. Maier, I. L. Pepper, and C. P Gerba. Academic Press: San Diego, CA ISBN: 0124975704

5.      Dowd, S. E. and R. M. Maier; 1999.  Immunological applications in Environmental Microbiology. In Environmental Microbiology. Ed R. M. Maier, I. L. Pepper, and C. P Gerba. Academic Press: San Diego, CA ISBN: 0124975704

6.      Dowd, S. E. 2002. Bioaerosols in association with the Wastewater. In Encyclopedia of Environmental Microbiology. Editor in Chief Gabriel Bitton. John Wiley and Sons. New York, ISBN: 0-471-35450-3

7.      Pepper, I. L. and S. E. Dowd.  2001. PCR applications in soil.  In Manual for Environmental Microbiology Second Edition, Ed Christin Hurst. ASM Press, 1-55581-199-X

8.      Dowd, S. E. and I. L. Pepper. 2001. Environmental Monitoring: Beneficial Microorganisms.  In Environmental Monitoring. Ed Janick Artiola et al. In Review

9.      Dowd, S. E., I. L. Pepper, and C. P. Gerba. 2001.  Environmental Monitoring: Pathogenic Microorganisms. Ed. Janick Artiola et al. In Review

10.  Dowd, S. E.  2002. Bacteriophages: Basic biology, structures and genetics. In Encyclopedia of Environmental Microbiology. Editor in Chief Gabriel Bitton. John Wiley and Sons. New York, ISBN: 0-471-35450-3

11.  Dowd, S. E. 2002. Microsporidia: Environmental occurrence and methods for detection. In Encyclopedia of Environmental Microbiology. Editor in Chief Gabriel Bitton. John Wiley and Sons. New York, ISBN: 0-471-35450-3

 

Peer Reviewed Research Publications:

1.      Pillai, S.D., K.W. Widmer, S.E. Dowd, and S.C. Ricke. 1996. Occurrence of airborne bacteria and pathogen indicators during land application of sewage sludge. Appl. Environ. Microbiol. 62:296-299.

2.      Dowd, S. E., and S. D. Pillai. 1997 A rapid viability assay for Cryptosporidium oocysts and Giardia cysts for use in conjunction with the IFA procedure. Canadian Journal of Microbiology. 43:658-662.

3.      Dowd, S. E., K. W. Widmer, and S. D. Pillai. 1997. Thermotolerant clostridia as an airborne pathogen indicator during land application of biosolids. J. Environ. Qual. 26:194-199.

4.      Dowd, S. E. and S. D. Pillai. 1997. Survival and transport of selected bacterial pathogens and indicator viruses under sandy aquifer conditions. J. Env. Sci. Hlth. 32(A): 2245-2258.

5.      Dowd S. E., C. P. Gerba, F. J. Enriquez, and I. L. Pepper. 1998. PCR amplification and species determination of microsporidia in formalin fixed feces after immunomagnetic separation.  Appl. Environ. Microbiol.  64(1): 333-336.

6.      Dowd, S. E., C. P. Gerba, and I. L. Pepper. 1998.  Confirmation of human pathogenic microsporidia Enterocytozoon bieneusi, Encephalitozoon intestinalis and Vittaforma corneae in water.  Appl. Environ. Microbiol: 64 (9): 3332-3335.

7.      Dowd, S. E., S. D. Pillai, M. Y. Corapcioglu, Sook-un Wang, and C. Munster; 1998. Delineating the specific influence of virus isoelectric point and size on virus adsorption and transport through sandy soils. Appl. Environ. Microbiol.  64(2): 405-410.

8.      Dowd, S. E., C. P. Gerba, and I. L. Pepper. 1999. Evaluation of methodologies including immunofluorescent assay (IFA) and the polymerase chain reaction (PCR) for detection of human pathogenic microsporidia in water. J Microbiol Methods. 35(1):43-52.

9.      Dowd, S. E. and S. D. Pillai. 1999. Identifying the sources of biosolid derived pathogen indicator organisms in aerosols by ribosomal DNA fingerprinting.  J. Environ. Sci. Health, A34(5):1061-1074.

10.  Dowd, S. E., J. Thurston, C. P. Gerba, and I. L. Pepper 1999. Phylogenetic analysis of microsporidia and assessment of computer database homology comparison as a tool for determining the species of human pathogenic microsporidia and other protozoan parasites. American Water Works Association WQTC. Oct 1999

11.  Dowd S. E., C. P. Gerba, I. L. Pepper and S. D. Pillai. 2000. Airborne pathogens in association with biosolids: mathematical modeling and risk assessment. J. Environ Qual. 29:343-348.

12.  Schijven, J. F., S. M. Hassanizadeh, S. E. Dowd, and S. D. Pillai. 2000. Modeling virus adsorption in batch and column experiments. Quantitative Microbiology. 2:5-20

13.  Vogel, J. R., C. L. Munster, M. Y. Corapcioglu, S. D. Pillai, S. Dowd, and S. Wang, 2000. Virus Transport Experiments in a Sandy Aquifer. Journal of Contaminant Transport, in revision

14.  Dowd, SE, Gerba, CP, Naranjo, J, Klein, R. Lσpez, B. Mejνa, M.Mendoza, CE, and Ian L. Pepper. 2000. Confirmed Detection of Cyclospora cayetanesis and Encephalitozoon intestinalis in drinking water. Appl. Environ. Microbiol. in revision

15.  Dowd, S. E., S. D. Pillai, M. Y. Corapcioglu, Sook-un Wang, and C. Munster; 2000. Comparison of and computer modeling of viral transport in a 10-meter column and a 10-meter field site. Appl. Environ. Microbiol. On hold

16.  Dowd, S. E., F. C. Faries, F. Mitchell, L. Wickersham, A. Kinney and S. D. Pillai. 2000. The occurrence and Fate of Cryptosporidium sp. and Giardia. Sp. around confined animal feeding operations (CAFOs). On hold

17.  Dowd, S. E. and G. Barkocy-Gallagher. 2001. Prevalence of putative virulence factors and cryptic prophage and whole genome comparison or E. coli O157: Genomic rearrangement and Horizontal Genetic Transfer. J. Bacteriol. in review.

18.  Dowd, S. E. and G. Barkocy-Gallagher. 2002. Evaluation of E. coli O157 field isolates: Control of Shiga toxin expression. In preparation.

 

Selected Abstracts and Oral Presentations for Professional Meetings:

1.      Dowd,S. E., C. Munster, M. Y. Corapcioglu, S. Wang and S. D. Pillai. 1995. Survival, adsorption and transport of two indicator viruses (MS2 and PRD1) in a sandy aquifer. 1995 Rio Grande ASM Branch Annual Meeting.  Oral Presentation

2.      Dowd,S. E., C. Munster, M. Y. Corapcioglu, J. Vogel, S. Wang, and S. D. Pillai. O-4-G Novel laboratory and field experiments to elucidate the fate of virus indicators in Texas aquifers.1996 Rio Grande ASM Branch Annual Meeting. Oral Presentation

3.      Dowd, S. E. and S. D. Pillai. 1996. Survival and transport of selected bacterial pathogens and indicator viruses under sandy aquifer conditions. International Association on Water Quality Health-Related Water Microbiology Symposium, Mallorca, Spain. Oral Presentation

4.      Dowd, S. E., M. Y. Corapcioglu, C. Munster, S. Wang, and S. D. Pillai. 1996. Laboratory studies and mathematical modeling of virus transport in groundwater. 96th General Meeting of the American Society for Microbiology. Session 74, Abstract 129, paper Q123.

5.      Dowd, S. E., K.W. Widmer, and S. D. Pillai. 1996. Use of Clostridium spp. as an alternate pathogen indicator for monitoring airborne bacterial pathogens. 96th General Meeting of the American Society for Microbiology. Session 19, Abstract 123, paper Q2.

6.      Vogel, J. R., S. E. Dowd, C. L. Munster, S. Wang, S. D. Pillai, and M. Y. Corapcioglu. 1996. Large-scale virus transport through a sandy aquifer under a forced gradient. American Society of Civil Engineers. Oral Presentation.

7.      Dowd, S. E., S. D. Pillai, and K. W. Widmer. 1996. The effects of the commercial land application of sewage sludge on the air quality of a neighboring population center. Environmental Challenges at the Triple Point. AAPG Regional Meeting. Oral Presentation.

8.      Dowd, S. E., F. C. Faries, F. Mitchell, L. Wickersham, A. Kinney and S. D. Pillai. 1997. The occurrence and Fate of Cryptosporidium sp. and Giardia. Sp. around confined animal feeding operations (CAFOs). 97th General Meeting of the American Society for Microbiology. Session 31-Q, paper Q28.

9.      Dowd, S. E., C. Munster, M. Corapcioglu, J. Vogel, S. Wang, and S. D. Pillai. 1997. Novel laboratory approaches for delineating critical factors influencing subsurface viral transport. 97th General Meeting of the American Society for Microbiology. Session 57-Q, paper Q78.

10.  Dowd, S. E., C. P. Gerba and I. L. Pepper. 1998. Confirmation of human pathogenic microsporidia in water. 98th General Meeting of the American Society for Microbiology.  Oral Presentation.

11.  Dowd, S. E., C. P. Gerba, and I. L. Pepper. 1998. New water-related pathogens? Confirmation of the human pathogenic microsporidia, Enterocytozoon bieneusi, Encephalitozoon intestinalis and Vittaforma cornea, in water. International Society of Microbial Ecology ISME8 Halifax, Nova Scotia. Oral Presentation.

12.  Dowd, S. E. C. P. Gerba, I. L. Pepper, and S. D. Pillai. 1998. Land Application of Biosolids: Microbial aerosol modeling. Paper Q-019 Session Number 050/Q

13.  Dowd, S. E. 1999. Use of phylogenetic analysis as a challenge for CDHC.  NSF RTG symposium. Oral Presentation.

14.  Dowd, S. E., J. A. Thurston, C. P. Gerba, and I. L. Pepper. 1999. Development of improved method for recovery, detection, and species determination of human pathogenic microsporidia in water. Water Quality Technology Conference. Oral Presentation.

15.  Dowd, S. E., J. T. Thurston, C. P. Gerba, I. L. Pepper. 1999. Validation of Computer database homology comparison for species determination of waterborne microsporidia, Giardia muris, and Cryptosporidium parvum. 99th General Meeting of the American Society for Microbiology. paper Q82.

16.  Thurston, J. T., S. E. Dowd, P. M. Watt, R. Enriquez, F. D. Vladich, P. Moroyoqui, I. L. Pepper, and C. P. Gerba. 1999. Occurrence of microsporidia in water used for irrigation in Latin American and the United States. 99th General Meeting of the American Society for Microbiology. paper Q93.

17.  Dowd, S. E., J. G. Eliopulos, J. McQuaid, I. L. Pepper. 2000.  Evaluation of five methods for evaluating microbial diversity in soils. 2000 General Meeting of the American Society for Microbiology. Paper

18.  Dowd, S. E., D. John, C. P. Gerba, and I. L. Pepper. 2000. Confirmed detection of Cyclospora cayetanesis and Encephalitozoon intestinalis in water used for drinking. 2000 General Meeting of the American Society for Microbiology. Oral presentation

 

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