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James R. Davis, PhD

Associate Professor of Clinical Pathology and Genomic Medicine, Institute for Academic Medicine
Associate Clinical Member, Research Institute
Houston Methodist
Weill Cornell Medical College


jrdavis@houstonmethodist.org
Biography

Dr. Davis received his PhD in microbiology from the University of Houston in 1965, where he also completed his postdoctoral training. He then joined the faculty at The University of Texas Dental Branch in Houston as an Assistant Professor of Microbiology. In 1968, Dr. Davis was appointed Assistant Professor of Microbiology at Baylor College of Medicine. He became an Associate Professor there in 1973, and held that appointment until he assumed his current positions at Methodist in 2004.

Description of Research

Dr. Davis, in his role as Associate Director of Laboratories and Medical Director of Microbiology and Virology, oversees the daily operations of the department's clinical microbiology service laboratories. Research and development activities under Dr. Davis have focused on reducing the turn-around time required to provide clinically-useful information to physicians and other care providers without compromising accuracy and reproducibility.

Areas Of Expertise

microbiology Comparative-effectiveness research
Education & Training

Postdoctoral Fellowship , University of Houston
PhD , University of Houston
Publications

Improving positive blood culture removal time significantly decreases total processing time
Salazar, E , Divatia, M, Cernoch, PL, Olsen, RJ, Long, SW, Land, GA, Davis, JR & Musser, JM 2015, Archives of Pathology and Laboratory Medicine, vol 139, no. 2, pp. 199-203. DOI:

Integrating rapid diagnostics and antimicrobial stewardship improves outcomes in patients with antibiotic-resistant Gram-negative bacteremia
Perez, KK , Olsen, RJ, Musick, WL, Cernoch, PL, Davis, JR, Peterson, LE & Musser, JM 2014, Journal of Infection, vol 69, no. 3, pp. 216-225. DOI:

Integrating rapid pathogen identification and antimicrobial stewardship significantly decreases hospital costs.
Perez, KK , Olsen, RJ, Musick, WL, Cernoch, PL, Davis, JR, Land, GA, Peterson, LE & Musser, JM 2013, Archives of Pathology and Laboratory Medicine, vol 137, no. 9, pp. 1247-1254. DOI:

Strategy for rapid identification and antibiotic susceptibility testing of gram-negative bacteria directly recovered from positive blood cultures using the Bruker MALDI biotyper and the BD phoenix system
Wimmer, JL, Long, SW, Cernoch, P, Land, GA, Davis, JR, Musser, JM & Olsen, RJ 2012, Journal of Clinical Microbiology, vol 50, no. 7, pp. 2452-2454. DOI:

Performance Assessment of the Fecal Leukocyte Test for Inpatients
Granville, LA, Cernoch, P, Land, GA & Davis, JR 2004, Journal of Clinical Microbiology, vol 42, no. 3, pp. 1254-1256. DOI:

Successful therapy for cerebral phaeohyphomycosis due to Dactylaria gallopava [6]
Nieto-Rodriguez, JA, Kusne, S, Rossmann, SN, Cernoch, PL & Davis, JR 1996, Clinical Infectious Diseases, vol 23, no. 1.

Dematiaceous fungi are an increasing cause of human disease
Rossmann, SN, Cernoch, PL & Davis, JR 1996, Clinical Infectious Diseases, vol 22, no. 1, pp. 73-80.

Modification of the Fungi-Fluor and the genetic systems fluorescent antibody methods for detection of Pneumocystis carinii in bronchoalveolar lavage specimens
Stager, CE, Fraire, AE, Kim, HS, Estrada, R, Davis, JR, Greenberg, SD, Guy, ESS, Guntupalli, KK & McBride, RA 1995, Archives of Pathology and Laboratory Medicine, vol 119, no. 2, pp. 142-147.

Comparison of two methods for the detection of cytomegalovirus
Liy-Auyon, MJ, Stager, CE & Davis, JR 1994, Laboratory Medicine, vol 25, no. 5, pp. 331-333.

Automated systems for identification of microorganisms
Stager, CE & Davis, JR 1992, Clinical Microbiology Reviews, vol 5, no. 3, pp. 302-327.

Diagnostic and therapeutic considerations for cutaneous Mycobacterium haemophilum infections [15]
McBride, ME, Rudolph, AH, Tschen, JA, Cernoch, P, Davis, J, Brown, BA & Wallace, RJ 1991, Archives of Dermatology, vol 127, no. 2, pp. 276-277. DOI:

Role of solid media when used in conjunction with the BACTEC system for mycobacterial isolation and identification
Stager, CE, Libonati, JP, Siddiqi, SH, Davis, JR, Hooper, NM, Baker, JF & Carter, ME 1991, Journal of Clinical Microbiology, vol 29, no. 1, pp. 154-157.

Rapid detection of CMV in urine and bronchoalveolar lavage specimens
Liy-Auyon, MJ, Davis, JR & Stager, CE 1991, Laboratory Medicine, vol 22, no. 1, pp. 28-30.

Evaluation of the FiltraCheck-UTI for detection of bacteriuria
Stager, CE & Davis, JR 1990, Diagnostic Microbiology and Infectious Disease, vol 13, no. 4, pp. 289-295.

Rapid presumptive identification of gram-negative rods directly from blood cultures by simple enzymatic tests
Sepulveda, JL, Stager, CE & Davis, JR 1990, Journal of Clinical Microbiology, vol 28, no. 2, pp. 177-181.

Modified inoculum for radiometric susceptibility testing of Mycobacterium tuberculosis
Stager, CE, Davis, JR, Saccomani, MN, Ortigoza, CO, Wende, RD & Raleigh, JW 1988, Current Microbiology, vol 17, no. 5, pp. 243-247. DOI:

Identification of Mycobacterium tuberculosis in sputum by direct inoculation of the BACTEC NAP vial
Stager, CE, Davis, JR & Siddiqi, SH 1988, Diagnostic Microbiology and Infectious Disease, vol 10, no. 2, pp. 67-73.

Direct antimicrobial drug susceptibility testing of Mycobacterium tuberculosis by the radiometric method
Libonati, JP, Stager, CE, Davis, JR & Siddiqi, SH 1988, Diagnostic Microbiology and Infectious Disease, vol 10, no. 1, pp. 41-48.

Use of glutaraldehyde for disinfection in dialysis
Jaynes, BE, DuBose, PW, Davis, JR & Suki, WN 1985, International Journal of Artificial Organs, vol 8, no. 5, pp. 263-268.

Detection of asymptomatic bacteriuria in obstetric patients with a semiautomated urine screen
Davis, JR & Stager, CE 1985, American Journal of Obstetrics and Gynecology, vol 151, no. 8, pp. 1069-1073.