Gregory Phillips

M.A., Ph.D.
Education & Certifications  

Southern Illinois University, B.A., M.A.

University of Georgia, Ph.D.

Princeton University, Post-doctoral



Micro 402 Microbial Genetics and Genomics

Micro 440 Laboratory in Microbial Physiology and Genetics
(with Dr. Larry Halverson)

Research Focus & Interests  

Genomics and metagenomics

Microbiome/host interactions

Antibiotic persistence in bacterial pathogens

Bacterial membrane protein localization
Honors & Awards  

Pfizer award for research excellence in veterinary medicine (2005)

Team Award, College of Agriculture and Life Sciences, Iowa State University, 2015


Editorial Board of Plasmid (2009-present)

Editorial Board of Journal of Bacteriology (2010-present)

Editorial Board of EcoSal (2013-present)

Biotechnology Council, Iowa State University (2004-2007)

Vice chair, Institutional Biosafety Committee (2008-2015) 

Biotechnology Council, Iowa State University (2004-2007)

Vice chair, Institutional Biosafety Committee (2008-present) 


American Society for Microbiology

American Association for the Advancement of Science

Gamma Sigma Delta

Selected Publications  

Full publication list on PubMed

1. Amaral W.Z., G. R. Lubach, A. Kapoor, A. Proctor, G. J. Phillips, M. Lyte, C. L. Coe. 2017. Low Lactobacilli abundance and polymicrobial diversity in the lower reproductive tract of female rhesus monkeys do not compromise their reproductive success. Am. J. Primatol. 79. doi: 10.1002/ajp.22691. Epub 2017 Sep 1. PMID:28898440.

2. Amaral W.Z., G. R. Lubach, A. Proctor, M. Lyte, G. J. Phillips, C. L. Coe. 2017. Social Influences on Prevotella and the gut microbiome of young monkeys. Psychosom Med. 79:888-897. PMID:28178033

3. Atherly, T., C. Mosher, C. Wang, J. Hostetter, A. Proctor, M. Wymore-Brand, G. J. Phillips, M. Wannemuehler, A. E. Jergens. 2016. Helicobacter bilis infection alters mucosal bacteria and modulates colitis development in defined microbiota mice. Inflamm Bowel Dis. 22:2571-2581. PMID: 27755267.

4. Lyte M, Chapel A, Lyte JM, Ai Y, Proctor A, Jane JL, Phillips GJ. 2016. Resistant Starch Alters the Microbiota-Gut Brain Axis: Implications for Dietary Modulation of Behavior. PLoS One. 11:e0146406. PMID: 26745269

5. Wymore Brand M, Wannemuehler MJ, Phillips GJ, Proctor A, Overstreet AM, Jergens AE, Orcutt RP, Fox JG.2015. The Altered Schaedler Flora: Continued Applications of a Defined Murine Microbial Community. ILAR J. 56:169-78.

6. Brockmeier SL, Register KB, Kuehn JS, Nicholson TL, Loving CL, Bayles DO, Shore SM, Phillips GJ. Virulence and Draft Genome Sequence Overview of Multiple Strains of the Swine Pathogen Haemophilus parasuis. 2014. PLoS One. 9:e103787. PubMed PMID: 25137096; PubMed Central PMCID: PMC4138102.

7.  Krull AC, Shearer JK, Gorden PJ, Cooper VL, Phillips GJ, Plummer PJ. Deep sequencing analysis reveals temporal microbiota changes associated with development of bovine digital dermatitis. 2014. Infect Immun. 82:3359-73. PubMed PMID: 24866801; PubMed Central PMCID: PMC4136199.

8.  Wannemuehler MJ, Overstreet AM, Ward DV, Phillips GJ. Draft genome sequences of the altered schaedler flora, a defined bacterial community from gnotobiotic mice. 4014. Genome Announc. 2. pii: e00287-14. PubMed PMID: 24723722; PubMed Central PMCID: PMC3983311.

9. Birt DF, Phillips GJ. Diet, genes, and microbes: complexities of colon cancer  prevention. 2014. Toxicol Pathol. 42:182-8. PubMed PMID: 24129759.

10. Kuehn JS, Register KB, Phillips GJ. Draft Genome Sequences for 10 Isolates of  the Swine Pathogen Haemophilus parasuis. Genome Announc. 2013 Sep 19;1(5). pii: e00739-13. doi: 10.1128/genomeA.00739-13. PubMed PMID: 24051319; PubMed Central PMCID: PMC3778202.

11. Yu J, Madsen ML, Carruthers MD, Phillips GJ, Kavanaugh JS, Boyd JM, Horswill AR, Minion FC. Analysis of autoinducer-2 quorum sensing in Yersinia pestis. Infect Immun. 2013 81:4053-62. PubMed PMID: 23959719; PubMed Central PMCID: PMC3811820.

13. Kuehn JS, Gorden PJ, Munro D, Rong R, Dong Q, Plummer PJ, Wang C, Phillips GJ. Bacterial community profiling of milk samples as a means to understand culture-negative bovine clinical mastitis. PLoS One. 2013 8:e61959. PubMed PMID: 23634219; PubMed Central PMCID: PMC3636265.

14. Slattery A, Victorsen AH, Brown A, Hillman K, Phillips GJ. Isolation of highly persistent mutants of Salmonella enterica serovar typhimurium reveals a new toxin-antitoxin module. 2013. J Bacteriol. 195:647-57. PubMed PMID: 23204462; PubMed Central PMCID: PMC3562109.