Horticultural Sciences

Horticultural Sciences

Dr. Karen E. Koch


Mailing Address:
Fifield Hall
2550 Hull Road
PO Box 110690
Gainesville, Florida 32611

Office: 2147 Fifield Hall
Phone: (352) 273-4833
E-mail: kekoch@ufl.edu

  • Areas of Research

    Physiology and genetics of sugar metabolism, sensing, and partitioning

  • Teaching Responsibilities

    HOS 6345: Environmental Physiology of Plants (4cr grad)

    BCH-BOT 6925: Plant Biochemistry - Central Metabolism (4cr grad)

    Mentoring: Highschool Interns (~1), Undergraduate Interns (~5), PhD students (~2), Postdoctoral Associates (~1), and Associate Research Professors (~1). Each has their own mentees and helps train new lab members.

  • Educational Background

    BA: Biology, University of Wisconsin - EauClaire

    MS, PhD: Botany, Plant Physiology, University of Iowa

    Postdoc: Agronomy, Genetics, University of Wisconsin

    Professor (Asst, Assoc, Full): Horticultural Sciences, Plant Mol & Cell Bio, Genetics Institute, University of Florida, 1981-present.

  • Program Personnel

    Jonathan "Jono" Saunders, Biological Scientist

    Jiahn-Chou Guan, Associate Research Professor

    Fanfgang Ma, Postdoctoral Research Associate

    Maria Angélica Sanclemente, PhD Student

    Peng Liu, PhD Student

    Mark Wissel, Undergraduate Intern

    Catherine Cropsey, Undergraduate Intern

    Scott Fleishman, Undergraduate Intern

    MacCarthy Baker, Highschool Intern

Selected Publications

AuthorsYearTitle / DescriptionPublication
Tan BC, Guan JC, Ding S, Wu S, Saunders JW, Koch KE, and McCarty DR 2017 Structure and origin of the White Cap locus and its role in evolution of grain color in maize. Genetics 206: 135-150. (Highlighted in accompanying commentary by T. Peterson).
Liu P, McCarty DR, and Koch KE 2016 Transposon mutagenesis and analysis of mutants in UniformMu maize (Zea mays). Curr. Protoc. Plant Biol. 1:451-465.
Guan J-C, and Koch KE 2015 A time and a place for sugar in your ears: Targeting trehalose metabolism improves maize yield under a range of water-deficit conditions. Nature Biotechnology 33: 827-828.
Sosso D, Luo D, Li Q-B, Sasse J, Gendrot G, Suzuki M, Koch KE, McCarty DM, Chourey PS, Rogowsky PM, Ross-Ibarra J, Yang B, and Frommer WB 2015 Seed filling in domesticated maize and rice depends on SWEET-mediated hexose transport. Nature Genetics 47:1489–93. doi:10.1038/ng.3422.
Andorf CM, Kopylov M, Dobbs D, Koch KE, Stroupe ME, Lawrence CJ, and Bass HW 2014 G-Quadruplex (G4) Motifs in the maize (Zea mays L.) genome are enriched at specific locations in thousands of genes coupled to energy status, hypoxia, low sugar, and nutrient deprivation. J Genet Genomics 41: 627-647.
Bihmidine S, Hunter CT, Johns CE, Koch KE, and Braun D 2013 Regulation of assimilate import into sink organs: Update on molecular drivers of sink strength. Frontiers in Plant Science. 4:1-15.