The Jeong Lab at the University of Florida!

  • Our research goals are to provide solutions for animal and human health by understanding host-pathogen interactions at the molecular level. 
  • We develop methods to prevent and cure diseases caused by pathogens.

Recent news

 Current grants awarded

* Developing chitosan nanoparticles to intervene STEC. USDA NIFA. 2014-2017, $500 K

* Understanding antibiotic resistance occurence and development of mitigation strategies in cattle. USDA-NIFA. 2015-2018, $2.2 M

* We also have received funding from UF IFAS, EPI and Milk Check Off

Recent Publications, Since Jan. 2017.

1. R. A. Mir, T. A. Weppelmann, L. Teng, A. Kirpich, M. A. Elzo, J. D. Driver, and K.C. Jeong. Colonization Dynamics of Cefotaxime Resistant Bacteria in Beef Cattle Raised Without Cephalosporin Antibiotics. Under review.
2. Ma Z.X., A. Garrido-Maestu, and K.C. Jeong. 2017. Engineering, applications, and mode of action of chitosan and its derivatives as antimicrobial agents. Carbohydrate Polymers. In Press. 
3. Ma, Z.X., A. Garrido-Maestu, C. Lee, J. Chon, D. Jeong, Y. Yue, K. Sung, Y. Park, and K.C. Jeong. 2018. Comprehensive in vitro and in vivo evaluation of chitosan microparticles for risk assessments using epithelial cells and Caenorhabditis elegans. J. Hazard Mater. 341:248-256.
4. Jeong, K.C., D. Ghosal, Y. Chang, G.J. Jensen, and J.P. Vogel. 2017. Polar delivery of Legionella type IV secretion system substrates is essential for virulence. PNAS114(30):8077-8082. 
5. Ghosal, D., Y. Chang, K.C Jeong, J.P. Vogel, G.J. Jensen. 2017. In situ structure of the Legionella Dot/Icm type IV secretion system by electron cryotomography. EMBO Reports. 18(5):726-732.
6. Jeon, S.J., F. Cunha, A. Ginn, K.C. Jeong, and K. Galvao. 2017. Draft Genome Sequences of Escherichia coli Strains Isolated at Calving from the Uterus, Vagina, Vulva, and Rectoanal Junction of a Dairy Cow that Later Developed Metritis. genomeA. doi: 10.1128/genomeA.01511-16
7. Fan Y, Ginn A, Kang M, Jeong KC, Wright AC. 2017. Application of Chitosan Microparticles for Mitigation of Salmonella in Agricultural Water. J. Appl. Microbiol. 
8. Vieira-Neto A, Lima IRP, Lopes F Jr, Lopera C, Zimpel R, Sinedino LDP, Jeong KC, Galvão K, Thatcher WW, Nelson CD, Santos JEP. 2017. Use of calcitriol to maintain postpartum blood calcium and improve immune function in dairy cows. J. Dairy Sci.
9. Ma, Z.X., A. Felipe, J. Romero, O. Pereira, K.C. Jeong, and A.T. Adesogan. 2017. The capacity of silage inoculant bacteria to bind aflatoxin B1 in vitro and in contaminated corn silage. J. Dairy Sci100(9):7198-7210.

Our work is being recognized by media




On going... Research topics

E. coli O157:H7 Type III secretion effectors


Antimicrobial resistant microorganisms (i.e. ESBL)

Shiga-toxin producing E. coli (STEC)

Whole genome sequencing (WGS)

Comparative genomics

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