header shadow

Gregory J Phillips

Gregory Phillips
Gregory Phillips

M.A., Ph.D.

Vet Microbiology & Preventive Medicine
(515) 294-1525
202 VMRI Bldg 6
Expertise / Research Area

Genomics and metagenomics

Antibiotic persistence in bacterial pathogens

Bacterial membrane protein localization

Micro 402/502 Microbial Genetics and Genomics

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


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

University of Georgia, Ph.D.

Princeton University, Post-doctoral


Selected Publications

1: 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. PLoS One. 2014 Aug 19;9(8):e103787. doi: 10.1371/journal.pone.0103787. eCollection 2014. PubMed PMID: 25137096; PubMed Central PMCID: PMC4138102.

2: 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. Infect Immun. 2014 Aug;82(8):3359-73. doi: 10.1128/IAI.02077-14. Epub 2014 May 27. PubMed PMID: 24866801; PubMed Central PMCID: PMC4136199.

3: Wannemuehler MJ, Overstreet AM, Ward DV, Phillips GJ. Draft genome sequences of the altered schaedler flora, a defined bacterial community from gnotobiotic mice. Genome Announc. 2014 Apr 10;2(2). pii: e00287-14. doi: 10.1128/genomeA.00287-14. PubMed PMID: 24723722; PubMed Central PMCID: PMC3983311.

4: Birt DF, Boylston T, Hendrich S, Jane JL, Hollis J, Li L, McClelland J, Moore S, Phillips GJ, Rowling M, Schalinske K, Scott MP, Whitley EM. Resistant starch: promise for improving human health. Adv Nutr. 2013 Nov 6;4(6):587-601. doi: 10.3945/an.113.004325. eCollection 2013 Nov. Review. PubMed PMID: 24228189; PubMed Central PMCID: PMC3823506.

5: Birt DF, Phillips GJ. Diet, genes, and microbes: complexities of colon cancer  prevention. Toxicol Pathol. 2014 Jan;42(1):182-8. doi: 10.1177/0192623313506791. Epub 2013 Oct 15. PubMed PMID: 24129759.

6: 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.

7: 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 Nov;81(11):4053-62. doi: 10.1128/IAI.00880-13. Epub 2013 Aug 19. PubMed PMID: 23959719; PubMed Central PMCID: PMC3811820.

8: 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 Apr 25;8(4):e61959. doi: 10.1371/journal.pone.0061959. Print 2013. PubMed PMID: 23634219; PubMed Central PMCID: PMC3636265.

9: 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. J Bacteriol. 2013 Feb;195(4):647-57. doi: 10.1128/JB.01397-12. Epub 2012 Nov 30. PubMed PMID: 23204462; PubMed Central PMCID: PMC3562109.

10: Ariosa AR, Duncan SS, Saraogi I, Lu X, Brown A, Phillips GJ, Shan SO. Fingerloop activates cargo delivery and unloading during cotranslational protein  targeting. Mol Biol Cell. 2013 Jan;24(2):63-73. doi: 10.1091/mbc.E12-06-0434. Epub 2012 Nov 7. PubMed PMID: 23135999; PubMed Central PMCID: PMC3541965.


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-present) 

Honors & Awards

Pfizer award for research excellence in veterinary medicine (2005)


American Society for Microbiology

American Association for the Advancement of Science

Gamma Sigma Delta