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Poultry Diagnostic and Research Center



Professor

Poultry Diagnostic Research Center
953 College Station Road
Athens, Georgia 30602-4875
706.542.5071
e-mail: jmaurer@uga.edu

Highest Degree, Institution, Date:
Ph.D., Microbiology. University of Texas Health Science Center at San Antonio, 1990
B.S., Microbiology. Purdue University, 1984

 

Research Interests:
Molecular epidemiology of veterinary and foodborne pathogens; ecology of antibiotic resistance; and rapid methods for detecting bacterial pathogens

 

Academic Positions, Appointments, and Adjunct Status:

Postdoctoral Fellow with Roy Curtiss III, Washington University, 1990-1993
Instructor, Southern Illinois University at Edwardsville, 1993
Assistant Professor, Duquesne University, 1993-1996
Assistant Professor, The University of Georgia, 1996-2001
Associate Professor, The University of Georgia, 2001-present

 

Cross Appointments:
Department of Medical Microbiology and Parasitology, 1996-present
Center for Food Safety and Quality Enhancement, 2001-present

 

Adjunct:
Department of Microbiology

 

Honors, Professional Memberships and Committees:

Pfizer Award for Research Excellence, 2000
John Bowen Award for Excellence in Research, 2001
Steering Committee, (American Academy of Microbiology) for Colloquium on: “The role of antimicrobials in agriculture: a critical assessment.” 2001
American Association of Avian Pathologists, 1999-present
American Society for Microbiology, 1985-present
Southeastern Branch ASM, President-Elect 2002-2003
Southeastern Branch ASM, President 2003-2004

 

Research Interests:
1. Microbial interactions involved in colonization of food animals by foodborne pathogens and the interplay required for gene transfer of resistance or virulence genes from the microflora to pathogens in the animal host.
2. Development, validation and implementation of molecular tools into on-farm surveillance program for foodborne pathogens.
3. Ecology of antibiotic resistance in the food production environment.

 

Scholarly Activity:

Publications in Peer-Reviewed Journals

#Undergraduate Student
†Graduate Student
+Post-Doctoral Fellow
$Corresponding Author

1. Cole, D., D. J. V. Drum, D. E. Stallknecht, D. G. White, M. D. Lee, S. Ayers, M. Sobsey, and J. J. Maurer. 2005. Free-ranging Canada geese as environmental vectors of antimicrobial resistance. Emerg. Infect. Dis. (In Press).

2. Ward, M. P., T. H. Brady, L. L. Couëtil, K. Liljebjelke, J. J. Maurer, and C. C. Wu. 2005. Investigation and control of an outbreak of salmonellosis caused by multidrug-resistant Salmonella Typhimurium in a population of hospitalized horses. Vet. Microbiol. 107:233-240.

3. S. Zhao, J. J. Maurer, S. Hubert, J. F. De Villena, P. F. McDermott, J. Meng, S. Ayers, L. English, and D. G. White. 2005. Antimicrobial susceptibility and molecular characterization of avian pathogenic Escherichia coli isolates. Vet. Microbiol. 107:215-224.

4. Liljebjelke, K. A., C. L. Hofacre, T. Liu, D. G. White, S. Ayers, S. Young, and J. J. Maurer. 2005. Vertical and horizontal transmission of Salmonella within integrated broiler production system. Foodborne Path. Dis. 2(1):90-102.

5. Morales C., M. D. Lee, C. Hofacre, and J. J. Maurer. 2004. Detection of a novel virulence gene and a Salmonella virulence homologue among Escherichia coli isolated from broiler chickens. Foodborne Path. Dis. 1(3):160-165.

6. Hurd, H. S., S. Doores, D. Hayes, A. Mathew, J. Maurer, P. Silley, R. S. Singer, and R. N. Jones. 2004. Public health consequences of macrolide use in food animals: a deterministic risk assessment. J. Food Prot. 67:980–992.

7. Nandi, S., J. J. Maurer, C. Hofacre, and A. O. Summers. 2004. Gram-positive bacteria are a major reservoir of class 1 antibiotic resistance integrons in poultry litter. Proc. Natl. Acad. Sci. USA. 101:7118-7122.

8. Lu, J., U. Idris, B. Harmon, C. Hofacre, J. J. Maurer, and M. D. Lee. 2003. Diversity and succession of the intestinal bacterial community of the maturing broiler chicken. Appl. Environ. Microbiol. (In Press).

9. Gibbs, P. S., J. J. Maurer, L. K. Nolan, and R. E. Wooley. 2003. Prediction of chicken embryo lethality with the avian Escherichia coli traits complement resistance, colicin V production, and presence of the increased serum survival gene cluster (iss). Avian Dis. 47:370-379.

10. †Hong, Y., T. Liu, C. Hofacre, M. Maier, S. Ayers, D. G. White, L. Wang, and J. J. Maurer$. 2003. A restriction fragment length polymorphism based polymerase chain reaction as an alternative to serotyping for identifying Salmonella serotypes. Avian Dis. 47:387-395.

11. †Hong, Y., M. Berrang, T. Liu, C. Hofacre, S. Sanchez, L. Wang, and J. J. Maurer$. 2003. Rapid detection of Campylobacter coli, C. jejuni and Salmonella enterica on poultry carcasses using PCR-enzyme-linked immunosorbent assay. Appl. Environ. Microbiol. 69:3492-3499.

12. White, D. G., S. Ayers, J. J. Maurer, S. G. Thayer and C. Hofacre. 2003. Antimicrobial susceptibilities of Staphylococcus aureus isolated from commercial broilers in northeast Georgia. Avian Dis. 47:203-210.

13. Lu, J., S. Sanchez, M. D. Lee, C. Hofacre, B. G. Harmon, and J. J. Maurer. 2003. Evaluation of broiler litter with reference to the microbial composition as assessed using 16S rDNA and functional gene markers. Appl. Environ. Microbiol. 69:901-908.

14. Sanchez, S., M. A. McCrackin Stevenson, C. R. Hudson, M. Maier, T. Buffington, Q. Dam, and J. J. Maurer$. 2002. Characterization of multi-drug resistant Escherichia coli associated with nosocomial infections in dogs. J. Clin. Microbiol. 40:3586-3595.

15. Maurer$, J. J., C. L. Hofacre, R. E. Wooley, P. Gibbs, and R. Froyman. 2002. Virulence factors associated with Escherichia coli present in a commercially produced competitive exclusion product. Avian Dis. 46:704-707.

16. Liu, T., †K. Liljebjelke, #E. Bartlett, C. L. Hofacre, S. Sanchez, and J. J. Maurer$. 2002. Application of nested PCR to detection of Salmonella in poultry environments. J. Food Prot.65:1227-1232.

17. Mizan, S., M. D. Lee, B. G. Harmon, S. Tkalcic, and J. J. Maurer$. 2002. Acquisition of antibiotic resistance plasmids by enterohemorrhagic Escherichia coli O157:H7 within ex vivo rumen. J. Food Prot. 65:1038-1040.

18. #Hazariwala, A., #Q. Sanders, +C. R. Hudson, C. L. Hofacre, S. G. Thayer, and J. J. Maurer$. 2002. Distribution of staphylococcal enterotoxin genes among Staphylococcus aureus isolated from poultry and humans. Avian Dis. 46:132-136.

19. Bischoff, K. M., D. G. White, P. F. McDermott, S. Zhao, S. Gaines, J. J. Maurer, and David J. Nisbet. 2002. Characterization of chloramphenicol resistance in ?-hemolytic Escherichia coli associated with diarrhea in neonatal swine. J. Clin. Microbiol. 40:389-394.

20. Zhao, S., D. G. White, P.F. McDermott, S. Friedman, L. English, S. Ayers, J. Meng, J. J Maurer, R. Holland and R. D. Walker. 2001. Identification and expression of cephamycinase blaCMY genes in Escherichia coli and Salmonella isolated from animals and food. Antimicrob. Agents Chemotherap. 45:3647-3650.

21. Hofacre, C. L., D. G. White, J. J. Maurer, #C. Morales, C. Lobsinger, +C. R. Hudson and S. G. Thayer. 2001. Antibiotic resistant bacteria in rendered animal products. Avian Dis. 45:953-961.

22. Hudson+, C. R., M. Garcia, R. K. Gast, and J. J. Maurer$. 2001. Determination of close genetic relatedness of the major Salmonella enteritidis phage types by pulsed-field gel electrophoresis and DNA sequence analysis of several Salmonella virulence genes. Avian Dis. 45: 875-886.

23. Sander, J., +C. R. Hudson, L. Dufour-Zavala, W. D. Waltman, C. Lobsinger, S. G. Thayer, R. Otalora, and J. J. Maurer$. 2001. Dynamics of Salmonella contamination in a commercial quail operation. Avian Dis. 45:1044-1049.

24. #Goldstein, C., M. D. Lee, S. Sanchez, +C. R. Hudson, #B. Phillips, #B. Register, #M. Grady, C. Liebert, A. O. Summers, D. G. White, and J. J. Maurer$. 2001. Incidence of class 1 and 2 integrases in clinical and normal flora bacteria from livestock, companion animals, and exotics. Antimicrob. Agents Chemother. 45:723-726.

25. White, D. G., +C. R. Hudson, J. J. Maurer, S. Ayers, S. Zhao, M. D. Lee, L. F. Bolton, T. Foley, and J. Sherwood. 2000. Characterization of chloramphenicol and florfenicol resistance in bovine pathogenic Escherichia coli. J. Clin. Microbiol. 38:4593-4598.

26. Wooley, R. E., J. E. Sander, and J. J. Maurer. 2000. In vitro effect of EDTA-Tris and EDTA-Tris-SDS on hatchery disinfectants. Avian Dis. 44: 901-906.

27. Hofacre, C. L., #A. R. ‘de Cotret, J. J. Maurer, A. Garrity, and S. G. Thayer. 2000. Presence of fluoroquinolone resistant coliforms in poultry litter. Avian Dis. 44: 963-967.

28. White, D. G., L. J. V. Piddock, J. J. Maurer, Shaohua Zhao, Vito Ricci and S. G. Thayer. 2000. Characterization of fluoroquinolone resistance in veterinary isolates of avian Escherichia coli and cross-resistance to human fluoroquinolones. Antimicrob. Agents Chemother. 44:2897-2899.

29. $Maurer, J. J., T. A. Doggett, L. Burns-Keliher, and R. Curtiss III. 2000. Expression of the rfa, LPS biosynthesis promoter in Salmonella typhimurium during invasion of intestinal epithelial cells. Cur. Microbiol. 41:172-176.

30. Wooley, R. E., P. S. Gibbs, T. P. Brown, and J. J. Maurer. 2000. Chicken embryo lethality assay for determining the virulence of avian Escherichia coli isolates. Avian Dis. 44:318-324.

31. +Hudson, C. R., C. Quist, M. D. Lee, K. Keyes, †S. V. Dodson, #C. Morales, S. Sanchez, D. G. White and J. J. Maurer$. 2000. The genetic-relatedness of Salmonella from non-domestic birds in the Southeastern United States. J. Clin. Microbiol. 38:1860-1865

32. Lee, M. D., F. T. Burch, J. J. Maurer, A. Henk, and S. G. Thayer. 2000. DNA fingerprinting of plasmid-containing serotype A:3,4 Pasteurella multocida isolated from cases of fowl cholera in chickens and turkeys. Avian Dis. 44:201-204

33. Keyes, K., +C. Hudson, J. J. Maurer, S. G. Thayer, D. G. White, and M. D. Lee. 2000. Detection of florfenicol resistance genes in Escherichia coli isolated from sick chickens. Antimicrob. Agents Chemother. 44:421-424

34. †Dodson, S. V., J. J. Maurer$, P. S. Holt, and M. D. Lee. 1999. Temporal changes in the population genetics of Salmonella pullorum. Avian Dis. 43:685-695

35. #Bass, L., C. A. Liebert, M. D. Lee, D. G. White, A. O. Summers, S. G. Thayer, and J. J. Maurer$. 1999. The incidence and characterization of integrons, genetic elements associated with multiple drug resistance, in avian Escherichia coli. Antimicrob. Agents Chemother. 43:2925-2929

36. †Dodson, S. V., J. J. Maurer$, and E. B. Shotts. 1999. Biochemical and molecular typing of Streptococcus iniae isolated from fish and human cases. J. Fish Dis. 22:331-336

37. $Maurer, J. J., †D. Schmidt, P. Petrosko, S. Sanchez, +L. F. Bolton, and M. D. Lee. 1999. Development of primers to O-antigen biosynthesis genes for specific detection of Escherichia coli O157 by PCR. Appl. Enivron. Microbiol. 65:2954-2960

38. +Bolton, L. F., L. Kelly, M. D. Lee, P. F. Cray, and J. J. Maurer. 1999. Detection of multidrug-resistant Salmonella enterica serotype typhimurium DT104 based on a gene which confers cross-resistance to florfenicol and chloramphenicol. J. Clin. Microbiol. 37:1348-1351

39. #Reingold, J., #N. Starr, J. J. Maurer$, and M. D. Lee. 1999. Identification of a new Escherichia coli She haemolysin homolog in avian E. coli. Vet. Microbiol. 66:125-134

40. Maurer$, J. J., M. D. Lee, C. Lobsinger, T. P. Brown, M. Mize, and S. G. Thayer. 1998. Molecular typing of avian Escherichia coli isolates by random amplification of polymorphic DNA. Avian Dis. 42:431-451

41. Wooley, R. E., P. S. Gibbs, T. P. Brown, J. R. Glisson, W. L. Steffens, and J. J. Maurer. 1998. Colonization of the chicken trachea by an avirulent avian Escherichia coli transformed with plasmid pHK11. Avian Dis. 42:194-198

42. Maurer$, J. J., T. P. Brown, W. L. Steffens, and S. G. Thayer. 1998. The occurrence of ambient temperature-regulated adhesins, curli, and the temperature-sensitive hemagglutinin Tsh among avian Escherichia coli. Avian Dis. 42:106-118

43. Maurer, J. J., and S. J. Mattingly. 1991. Molecular analysis of lipoteichoic acid from Streptococcus agalactiae. J. Bacteriol. 173:487-494

44. Mattingly, S. J., J. J. Maurer, E. K. Eskew, and F. Cox. 1990. Identification of a high-virulence clone of serotype III Streptococcus agalactiae by growth characteristics at 40 degrees C. J. Clin. Microbiol. 28:1676-1677

45. Maurer, J. J., and S. J. Mattingly. 1988. In vitro method to differentiate isolates of type III Streptococcus agalactiae from symptomatic and asymptomatic patients. J. Clin. Microbiol. 26:686-681

 

Book Chapters and Reviews:

1. Keyes, K., M. D. Lee, and J. J. Maurer. 2003. Antibiotics: mode of action, mechanism of resistance and transfer. P. 45-56. In M. Torrence and R. Isaacson Eds., Current Topics in Food Safety in Animal Agriculture, Iowa State University Press, Ames, IA.

2. Sanchez, S., M. D. Lee, B. G. Harmon, J. J. Maurer, and M. P. Doyle. 2002. Animal issues associated with Escherichia coli O157:H7. J. Am. Vet. Assoc. 221:1122-1126.

3. Sanchez, S., C. L. Hofacre, M. D. Lee, J. J. Maurer, and M. P. Doyle. 2002. Animals sources of human salmonellosis. J. Am. Vet. Assoc. 221:492-497.

4. D’Aoust, J., J. J. Maurer, and J. S. Bailey. 2001. Salmonella Species. p. 141-178. In M. P. Doyle, L. R. Beuchat, and T. J. Montville Eds., Food Microbiology: Fundamentals and Frontiers, 2nd Edition. ASM Press, Washington D.C.

5. Lee, M. D. and J. J. Maurer. 2000. Genetic basis of antimicrobial resistance in veterinary pathogens. Ann. NY Acad. Sci. 916:643-645.

 

Other Publications:

1. Hofacre, C., M. Lee and J. Maurer. 2003. Enhancing gut microflora. Poult. Dig. (Online)Vol. 3(1):1-3.

 

This page last updated April 13, 2006.

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