John J. Harada

image of John J. Harada



Plant Biology

Offices and Labs

2163 Life Sciences Addition


1981 PhD Biochemistry University of Washington
1975 BS Biochemistry University of California, Los Angeles

Research Interests

Genomic, molecular, genetic, and biochemical, dissection of embryogenesis and seed development in plants.



Elected Fellow, American Association for the Advancement of Science
Academic Senate Distinguished Award for Undergraduate Teaching, UC Davis
Fellow, American Society of Plant Biologists
Honorary Professor, Nara Institute of Science and Technology

Department and Center Affiliations

Department of Plant Biology
Department of Molecular and Cellular Biology - secondary member


American Association for the Advancement of Science
American Society for Plant Biologists
International Association of Sexual Plant Reproduction Research
Society for the Advancement of Chicanos and Native Americans in Science

CBS Grad Group Affiliations

Biochemistry, Molecular, Cellular and Developmental Biology
Integrative Genetics and Genomics
Plant Biology

Specialties / Focus

Plant Biology
  • Cell and Developmental Biology
  • Molecular Biology, Biochemistry and Genomics
Integrative Genetics and Genomics
  • Model Plants
Biochemistry, Molecular, Cellular and Developmental Biology
  • Genomics, Proteomics and Metabolomics
  • Molecular Genetics
  • Developmental Biology
  • Gene Regulation
  • Plant Molecular Biology

Teaching Interests

Plant biology, molecular biology, genetics, and genomics


PBI 292 NAIST - UC Davis Graduate Journal Club (distance learning with Japanese University) (Winter)
PLB 112 Plant Growth and Development (Winter)
PLB 113 Molecular and Cellular Biology of Plants (Spring)
SAS 70A Genetic Engineering in Medicine, Agriculture, and Law (distance learning with UCLA and Tuskegee University) (Winter)


10/19/2017 11:00:12 AM
  • Pelletier, J.M. Kwong, R.W., Park, S., Le, B.H., Baden, R., Cagliaria, A., Hashimoto, M., Munoz, M.D., Fischer, R.L., Goldberg, R.B., and Harada, J.J. (2017).  LEC1 sequentially regulates the transcription of genes involved in diverse developmental processes during seed development.  Proc. Natl. Acad. Sci. USA 114: E6710

  • Douglass, S., Hsu, S.H., Cokus, S., Goldberg, R.B., Harada, J.J., and Pellegrini, M. (2016).  A naive Bayesian classifier for identifying plant miRNAs.  Plant J. 86: 481-492

  • Danzer, J. Mellott, E., Bui, A.Q., Le, B.H., Martin, P., Hashimoto, M., Perez-Lesher, J. Chen, M., Pelletier, J.M., Somers, D.A., Goldberg, R.B., and Harada, J.J. (2015).  Downregulating the expression of 53 soybean transcription factor genes uncovers a role for SPEECHLESS in initiating stomatal cell lineages during embryo development.  Plant Physiol. 168: 1025-1035.
  • Khan, D., Millar, J.L., Girard, I.J., Chan, A., Kirkbride, R.C., Pelletier, JM.., Kost, S., Becker, M.G., Yeung, E.C. Stasolla, C., Goldberg, R.B., Harada, J.J., Belmonte, M.F. (2015).  Transcriptome atlas of the Arabidopsis funiculus - a study of maternal seed subregions.  Plant J. 82: 41-53.

  • Becker, M.G., Hsu, S.-W., Harada, J.J., and Belmonte, M.F. (2014).  Genomic dissection of the seed.  Front. Plant Sci., in press

  • Hsu, Y.F., Chen, Y.C., Hsiao, Y.C., Wang, B.J., Lin, S.Y., Cheng, W.H., Jauh, G.Y., Harada, J. and Wang, C.S. (2013).   AtRH57, a DEAD-box RNA helicase, is involved in feedback inhibition of glucose-mediated abscisic acid accumulation during seedling development and additively affects pre-ribosomal RNA processing with high glucose.  Plant J. 77: 119-135.
  • Kirkbride, R.C., Fischer, R.L., and Harada, J.J. (2013). LEAFY COTYLEDON1, a Key Regulator of Seed Development, Is Expressed in Vegetative and Sexual Propagules of Selaginella moellendorffii. PloS One 8:e67971

  • Belmonte, M.F., Kirkbride, R.C., Stone, S.L., Pelletier, J.M., Bui, A.Q., Yeung, E.C., Hashimoto, M., Fei, J., Harada, C.M., Munoz, M.D., Le, B.H., Drews, G.N., Brady, S.M., Goldberg, R.B., and Harada, J.J. (2013). Comprehensive developmental profiles of gene activity in regions and subregions of the Arabidopsis seed. Proc. Natl. Acad. Sci. USA 110: E435-E444

  • Harada, J.J. and Pelletier, J.M. (2012). Genome-wide analyses of gene activity during seed development. Seed Sci. Res. 22: S15-S22
  • Tang, X.R., Lim, M.H., Pelletier, J. Tang, M.J., Nguyen, V. Keller, W.A., Tsang, E.W.T., Wang, A.M., Rothstein, S.J. Harada, J.J., and Cui, Y.H. (2012).  Synergistic repression of the embryonic programme by SET DOMAIN GROUP 8 and EMBRYONIC FLOWER 2 in Arabidopsis seedlings.  J. Exp. Bot. 63: 1391-1404.

  • Hsieh, T.F., Shin, J., Uzawa, R., Silva, P., Cohen, S., Bauer, M.J., Hashimoto, M., Kirkbride, R.C., Harada, J.J., Zilberman, D. and Fischer, R.L. (2011). Regulation of imprinted gene expression in Arabidopsis endosperm. Proc. Natl. Acad. Sci. USA 108: 1755-1762.
  • Le, B.H., Cheng, C., Bui, A.Q., Wameister, J.A., Henry, K.F., Pelletier, J., Kwong, L., Belmonte, M., Kirkbride, R., Horvath, S., Drews, G.N., Fischer, R.L., Okamuro, J.K., Harada, J.J., and Goldberg, R.B. (2010). Global analysis of gene activity during Arabidopsis seed development and identification of seed-specific transcription factors. Proc. Natl. Acad. Sci. USA. 107: 8063-8070.
  • Hsu, S.C., Belmonte, M.F., Harada, J.J., and Inoue, K. Indispensable roles of plastids in Arabidopsis thaliana embryogenesis. (2010).  Curr. Genomics, 11: 338-349.
  • Harada, J.J; Belmonte, M.F.;and Kwong, R.W. (2010).  Plant Embryogenesis (Zygotic and Somatic). Encyclopedia of Life Sciences DOI: 10.1002/9780470.
  • Bradford, K.J. and Harada, J.J. (2010).  Introduction to translational seed biology: from model systems to crop improvement. Plant Science, 179: 553-553.
  • Ohto, M.-A., Floyd, S.K., Fischer, R.L., Goldberg, R.B. and Harada, J.J. (2009). Effects of APETALA2 on embryo, endosperm, and seed coat development determine seed size in Arabidopsis. Sex Plant Reprod 22: 277-289.
  • Walia H, Josefsson C, Dilkes B, Kirkbride R, Harada J, Comai L. (2009).  Dosage dependent deregulation of an AGAMOUS-LIKE gene cluster contributes to interspecific incompatibility. Curr Biol, 19(13): 1128-32
  • Tang X, Hou A, Babu M, Nguyen V, Hurtado L, Lu Q, Reyes JC, Wang A, Keller WA, Harada JJ, Tsang EW, Cui Y. (2008).  The Arabidopsis BRAHMA chromatin-remodeling ATPase is involved in repression of seed maturation genes in leaves.  Plant Physiol, 147(3): 1143-57.
  • Braybrook, S.A. and Harada, J.J. (2008). LECs go crazy in embryo development. Trends Plant Sci. 13: 624-630.
  • Stone, S. L., Braybrook, S. A., Paula, S. L., Kwong, L. W., Meuser, J., Pelletier, J., Hsieh, T. F., Fischer, R. L., Goldberg, R. B., and Harada, J. J. (2008). Arabidopsis LEAFY COTYLEDON2 induces maturation traits and auxin activity: Implications for somatic embryogenesis. Proc. Natl. Acad. Sci. USA 105: 3151-3156.
  • Park, S. and Harada, J.J. (2007). Arabidopsis Embryogenesis. In: Methods in Plant Embryogenesis (M.F.Suarez Marin and P. Bozhkov, eds). Humana Press, Totowa, pp. 3-16.
  • Garcês, H., Champagne, C., Townsley, B., Park, S., Malho, R.M., Pedroso, M., Harada, J., and Sinha, N. (2007). Evolution of asexual reproduction in leaves of the genus Kalanchoë. Proc. Natl. Acad. Sci. USA 104: 15578-15583.