• Mary Stemper MS

  • Molecular Epidemiology Technical Director


    • 1000 North Oak Ave. LAB Marshfield, WI 54449

Education

1999 to 2002:
MS, Biology/Clinical Microbiology, University of Wisconsin - La Crosse, La Crosse
1986 to 1987:
Medical Technology Internship, St. Joseph's Hospital / Marshfield Clinic, Marshfield
1982 to 1987:
BS, Microbiology / Medical Technology, University of Wisconsin - La Crosse, La Crosse

Work Experience

2008 to Present:
Technical Director - Molecular Epidemiology, Marshfield Laboratories, Marshfield
2004 to 2008:
Molecular Epidemiologist, Molecular Epidemiology Section, Marshfield Laboratories, Marshfield
1996 to 2004:
Clinical Microbiologist, Molecular Biology Section, Marshfield Laboratories, Marshfield
1994 to 1996:
Research and Development Technologist, Microbiology Department, Marshfield Laboratories, Marshfield
1987 to 1994:
Medical Technologist, Microbiology Department, Marshfield Laboratories, Marshfield

Board Certifications

1987 to Present:
Certified Medical Technologist (ASCP)
1988 to Present:
Registered Microbiologist (AAM)

Committees

American Society for Microbiology (ASM), Member
American Society for Clinical Laboratory Science (ASCP), Member
American Academy of Microbiology (AAM), Member
American Society for Microbiology North Central Branch, Member
American Society for Medical Technology (ASMT), Member

Select Publications

  • Reed KD, Vandermause MF, Stemper ME. (1992). Magic minipreps DNS: rapid isolation of plasmid DNA from staphylococci. Promega Notes. 37 :9-10.
  • Reed KD, Moore FM, Geiger GE, Stemper ME. (1993 March). Zoonotic transmission of sporotrichosis: case report and review. Clin Infect Dis. 16(3):384-387.
    PubMed ID: 8095815
  • Reed KD, Stemper ME, Vandermause MF, Mitchell PD. (1993 September). Evaluation of a commercial DNA purification system for plasmid analysis of nosocomial bacterial pathogens. Am J Clin Pathol. 100(3):304-307.
    PubMed ID: 8379541
  • Drinka PJ, Faulks JT, Gauerke CD, Goodman BM, Stemper ME, Reed KD. (2001 October). Adverse events associated with methicillin-resistant Staphylococcus aureus in a nursing home. Arch Intern Med. 161(19):2371-2377.
    PubMed ID: 11606154
  • Qutaishat S, Stemper ME. (2002). Direct patient to healthcare provider transmission of Salmonella typhimirium. Association for Professionals in Infection Control and Epidemiology Annual Meeting.
  • Qutaishat S, Stemper ME, Spencer SK, Borchardt MA, Opitz JC, Morison TA,...Ellingson JL [including Anderson JL.] (2003 June). Transmission of Salmonella enterica serotype typhimurium DT104 to infants through mother's breast milk. PEDIATRICS. 111(6 Pt 1):1442-6.
    PubMed ID: 12777569
  • Drinka PJ, Stemper ME, Gauerke CD, Krause P, Nest L, Reed KD. (2003 April). Molecular epidemiology of methicillin-resistant Staphylococcus aureus in a Veterans Administration Medical Center. Infect Control Hosp Epidemiol. 24(4):233-234.
    PubMed ID: 12725346
  • Drinka PJ, Stemper ME, Gauerke CD, Miller JE, Reed KD. (2003 April). Apparent transmission of two species of gram-negative rods in catheterized residents on a 50-bed nursing unit. Infect Control Hosp Epidemiol. 24(4):233.
    PubMed ID: 12725345
  • Drinka PJ, Gauerke CD, Miller JE, Stemper ME, Reed KD. (2003 January). Apparent transmission of <em>Citrobacter koseri</em> in catheterized residents on a 17-bed nursing home wing. J Am Geriatr Soc. 51(1):140-141.
    PubMed ID: 12534868
  • Borchardt MA, Stemper ME, Standridge JH. (2003 February). Aeromonas isolates from human diarrheic stool and groundwater compared by pulsed-field gel electrophoresis. Emerg Infect Dis. 9(2):224-228.
    PubMed ID: 12603994
  • Stemper ME, Shukla SK, Reed KD. (2004 December). Emergence and spread of community-associated methicillin-resistant, <em>Staphylococcus aureus </em> in rural Wisconsin, 1989-1999. J Clin Microbiol. 42(12):5673-5680.
    PubMed ID: 15583298
  • Shukla SK, Ramaswamy SV, Conradt JM, Stemper ME, Reich R, Reed KD. (2004 August). Novel polymorphisms in the ec genes and a new <em>mec</em> complex type in methicillin-resistant <em>Staphylococcus aureus</em> isolates obtained in rural Wisconsin. Antimicrob Agents Chemother. 48(8):3080-3085.
    PubMed ID: 15273123
  • Drinka PJ, Stemper ME, Gauerke CD, Miller JE, Reed KD. (2004 August). The identification of genetically related bacterial isolates using pulsed field gell electrophoresis on nursing home units: a clinical experience. J Am Geriatr Soc. 52(8):1373-1377.
    PubMed ID: 15271129
  • Drinka PJ, Stemper ME, Gauerke CD, Miller JE, Reed KD. (2004 May). Is methicillin-resistant <em>Staphylococcus aureus</em> more contagious than methicillin-susceptible <em>Staphylococcus aureus</em> in a surgical intensive care unit? Infect Control Hosp Epidemiol. 25(5):363-364.
    PubMed ID: 15188837
  • Drinka PJ, Stemper ME, Gauerke CD, Miller JE, Reed KD. (2004 February). Screening for methicillin-resistant <em>Staphylococcus aureus</em> in a nursing home. Infect Control Hosp Epidemiol. 25(2):95-96.
    PubMed ID: 14994929
  • Shukla SK, Stemper ME, Ramaswamy SV, Conradt JM, Reich R, Graviss EA, Reed KD. (2004 August). Molecular characteristics of nosocomial and Native American community-associated methicillin-resistant <em>Staphylococcus aureus</em> clones from rural Wisconsin. J Clin Microbiol. 42(8):3752-3757.
    PubMed ID: 15297526
  • Drinka PJ, Stemper ME, Gauerke CD, Miller JE, Goodman BM, Reed KD. (2005 February). Clustering of multiple endemic strains of methicillin-resistant <em>Staphylococcus aureus</em> in a nursing home: an 8-year study. Infect Control Hosp Epidemiol. 26(2):215-218.
  • Stemper ME, Brady JM, Qutaishat S, Borlaug G, Reed KD, Shukla SK. (2006 September). Shift in Staphylococcus aureus clone linked to an infected tatoo. Emerg Infect Dis. 12(9):1444-1446.
    PubMed ID: 17073100
  • Cantlon CA, Stemper ME, Schwan WR, Hoffman MA, Qutaishat S. (2006 October). Significant pathogens isolated from surgical site infections at a community hospital in the Midwest. Am J Infect Control. 34(8):526-529.
    PubMed ID: 17015159
  • Brady JM, Stemper ME, Weigel A, Chyou P, Reed KD, Shukla SK. (2007 August). Sporadic 'Transitional-like' Community-Associated Methicillin-Resistant Staphylococcus aureus strains from the United States. J Clin Microbiol. 45(8):2654-2661.
    PubMed ID: 17567793
  • Morgan W, Caldwell MD, Brady JM, Stemper ME, Reed KD, Shukla SK. (2007 February). Necrotizing fasciitis due to a methicillin-sensitive Staphylococcus aureus harboring an enterotoxin gene cluster. J Clin Microbiol. 45(2):668-671.
    PubMed ID: 17166962
  • Reed KD, Stemper ME, Shukla SK. (2007 October). Pulsed-field gel electrophoresis of MRSA. Methods Mol Biol. 391 :59-69.
    PubMed ID: 18025669
  • Reed KD, Stemper ME, Shukla SK. (2007 October). MRSA case studies. Methods Mol Biol. 391 :21-28.
    PubMed ID: 18025666
  • Sifri CD, Park J, Helm GA, Stemper ME, Shukla SK. (2007 November). Fatal brain abscess due to community-associated methicillin-resistant Staphylococcus aureus strain USA300. Clin Infect Dis. 45(9):e113-e117.
    PubMed ID: 17918070
  • Kabir MShahjahan, Engelbrecht K, Polanowski R, Krueger SM, Ignasiak R, Rott M,...Monte A [including Stemper ME.] (2008 September). New classes of Gram-positive selective antibacterials: Inhibitors of MRSA and surrogates of the causative agents of anthrax and tuberculosis. BIOORGANIC & MEDICINAL CHEMISTRY LETTERS. 18 :5745-49.
    PubMed ID: 18849164
  • Khajanchi BK, Fadl AA, Borchardt MA, Berg RL, Horneman AJ, Stemper ME,...Chopra AK. (2010 April). Distribution of Virulence Factors and Molecular Fingerprinting of Aeromonas Species Isolated from Water and Clinical Samples: Suggestive Evidence of Water-to-Human Transmission. Appl Environ Microbiol. 76(7):2313-25.
    PubMed ID: 20154106
  • Shukla SK, Karow ME, Brady JM, Stemper ME, Kislow JL, Moore N,...Schwan WR [including Wroblewski K, Chyou P.] (2010 October). Virulence genes and genotypic associations in nasal carriage, community-associated methicillin-susceptible and methicillin-resistant and susceptible Staphylococcus aureus. JOURNAL OF CLINICAL MICROBIOLOGY. 48(10):3582-92.
    PubMed ID: 20668125
  • Lin Y, Barker E, Kislow JL, Kaldhone PR, Stemper ME, Moore FM,...Shukla SK [including Hall MC, Fritsche TR, Novicki TJ.] (2011 March). Evidence of Multiple Virulence Subtypes in Nosocomial and Community-Associated MRSA Genotypes in Companion Animals from the Upper Midwestern and Northeastern United States. Clinical Medicine & Research. 9(1):7-16.
    PubMed ID: 20739580
  • Pearce MM, Theodoropoulos N, Noskin GA, Flaherty JP, Stemper ME, Aspeslet TL,...Reed KD. (2011 September). Native valve endocarditis due to a novel strain of Legionella. JOURNAL OF CLINICAL MICROBIOLOGY. 49(9):3340-2.
    PubMed ID: 21795511
  • Shukla SK, Pantrangi M, Stahl B, Briska AM, Stemper ME, Wagner TK,...Dykes CW. (2012 November). Comparative whole genome mapping to determine staphylococcus aureus genome size, virulence motifs and clonality. JOURNAL OF CLINICAL MICROBIOLOGY. 50(11):3526-33.
    PubMed ID: 22915603
  • Bibbo C, Fritsche TR, Stemper ME, Hall MC. (2013 September). Flap infection associated with medicinal leeches in reconstructive surgery: two new drug-resistant organisms. JOURNAL OF RECONSTRUCTIVE MICROSURGERY. 29(7):457-60.
    PubMed ID: 23599212