Ravi Palanivelu

Associate professor - School of Plant Sciences, BIO5, Molecular and Cellular Biology, Genetics GIDP
rpalaniv@email.arizona.edu, Marley Building Rm 441E
520-626-2229 / 520-621-9567 (Lab)

Educational Background

  • 2004-2005 Research Professional, Department of Molecular Genetics and Cell Biology, The University of Chicago.
  • 1999-2004 Postdoctoral Fellow, Department of Molecular Genetics and Cell Biology, The University of Chicago. Advisor: Dr. Daphne Preuss.
  • 1998 Ph.D., Genetics, University of Georgia. Dissertation advisor: Dr. Richard B. Meagher.
  • 1992 M.S., Plant Breeding and Genetics, Tamil Nadu Agriculture University, India.
  • 1989 B.S., Agriculture, Annamalai University, India.

Research Interests

  • Generating heat tolerant tomato by improving their reproduction under heat stress.
  • Overcoming hybridization barriers by studying pollen tube growth, guidance, and reception in Brassicaceae reproduction.

Selected Publications

Noble, JA., Seddon, A., Uygun, S, Bright, A, Smith, SE, Shiu, S-H., and Palanivelu, R. (2021). The SEEL motif and members of the MYB-related REVEILLE transcription factor family are important for the expression of LORELEI in the synergid cells of the Arabidopsis female gametophyte. Plant Reprod (in press). https://doi.org/10.1007/s00497-021-00432-1
Sze, H., Palanivelu, R., Harper, JF., and Johnson, MA. (2021). Holistic insights from pollen omics: co-opting stress-responsive genes and ER-mediated proteostasis for male fertility, Plant Physiology; kiab463, https://doi.org/10.1093/plphys/kiab463
Cai, H., Liu, L., Zhang, M., Chai, M., Huang, Y., Chen F., Yan M., Su Z, Henderson, I., Palanivelu, R., Chen X., and Qin Y. (2021). Spatiotemporal control of miR398 biogenesis via chromatin remodeling and kinase signaling ensures proper ovule development. Plant Cell 2;33(5):1530-1553. doi: 10.1093/plcell/koab056. PubMed ID: 33570655
Desnoyer N, Palanivelu R. (2020). Bridging the GAPs in plant reproduction: a comparison of plant and animal GPI-anchored proteins. Plant Reprod. https://doi.org/10.1007/s00497-020-00395-9. PubMed ID: 32945906
Desnoyer N, Howard G, Jong E, Palanivelu R. (2020). AtPIG-S, a predicted Glycosylphosphatidylinositol Transamidase subunit, is critical for pollen tube growth in Arabidopsis. BMC Plant Biol. 20 (1):380. https://doi.org/10.1186/s12870-020-02587-x. PubMed ID: 32811442
Noble JA, Palanivelu R. (2020). Workflow to Characterize Mutants with Reproductive Defects. Methods Mol Biol. 2160:109-128. DOI: 10.1007/978-1-0716-0672-8_8. PubMed ID: 32529432
Johnson M.A., Harper J.F., Palanivelu, R. (2019). A Fruitful Journey: Pollen Tube Navigation from Germination to Fertilization. Annu Rev Plant Biol. 70:809–37. DOI: https://doi.org/10.1146/annurev-arplant-050718-100133. PubMed ID: 30822112
Jones DS, Liu X, Willoughby AC, Smith BE, Palanivelu R, Kessler SA. (2018). Cellular distribution of secretory pathway markers in the haploid synergid cells of Arabidopsis thaliana. Plant J. 94, 192–202. DOI: https://doi.org/10.1111/tpj.13848. PMID: 29385641
Zhao, L., Cai, H., Su, Z., Wang, L.,, Huang, X., Zhang, M., Chen, P., Dai, X., Zhao, H., Palanivelu, R., Chen, X., and Qin, Y. (2018). KLU suppresses megasporocyte cell fate through SWR1-mediated activation of WRKY28 expression in Arabidopsis. PNAS 115(3):E526-E535. DOI: 10.1073/pnas.1716054115. PubMed ID: 29288215
Wang, Y., Tsukamoto, T., Noble, J.A., Liu, X., Mosher, R.A., and Palanivelu, R. (2017). Arabidopsis LORELEI, a Maternally-expressed Imprinted Gene, Promotes Early Seed Development. Plant Physiology. 175: 758–773, DOI: https://doi.org/10.1104/pp.17.00427. PubMed ID:
Zhao, D., Chong, K., Palanivelu, R., eds. (2017). Molecular and Cellular Plant Reproduction. Front Plant Sci. 20 (8):199. DOI: 10.3389/fpls.2017.00199. PubMed ID: 28265279
Liu, X., Castro, C., Wang, Y., Noble, J., Ponvert, N., Bundy, M., Hoel, C., Shpak, E., and Palanivelu, R. (2016). The Role of LORELEI in Pollen Tube Reception at the Interface of the Synergid Cell and Pollen Tube Requires the Modified Eight-Cysteine Motif and the Receptor-Like Kinase FERONIA. Plant Cell 28 (5):1035-52. DOI: https://doi.org/10.1105/tpc.15.00703. PubMed ID: 27081182. This article was highlighted with a commentary in the "In Brief" section of the Plant Cell in the issue it was published: http://www.plantcell.org/content/early/2016/04/15/tpc.16.00308.full.pdf+html
Leydon, A. R., Tsukamoto, T., Dunatunga, D., Qin, Y., Johnson, M. A., and Palanivelu, R. (2015). Pollen tube discharge completes the process of synergid degeneration that is initiated by pollen tube – synergid interaction in Arabidopsis. Plant Physiology 169: 485-496. DOI: DOI: 10.1104/pp.15.00528. PubMed ID: 26229050
Qin, Y., Yadegari, R., and Palanivelu, R. (2015). ACTIN-RELATED PROTEIN 6 regulates DISRUPTED MEIOTIC cDNA 1 gene expression in Arabidposis thaliana ovules. Molecular Reproduction and Development. 82 (7-8): 499. DOI: https://doi.org/10.1002/mrd.22472.
Guang-Hui Yu, G-H., Zou, J., Feng, J., Peng, X-B., Wu, J-Y., Wu, Y-L., Palanivelu, R., and Sun, M-X. Exogenous γ-aminobutyric acid affects pollen tube growth via modulating putative Ca2+-permeable membrane channels and is coupled to negative regulation on glutamate decarboxylase. J. Exp. Bot. 65(12): 3235-48. DOI: https://doi.org/10.1093/jxb/eru171. PubMed: 24799560
Qin, Y., Zhao, L., Skaggs, M.I., Andreuzza S., Tsukamoto, T., Panoli, A., Wallace, K.N., Smith, S., Siddiqi, I., Yang, Z., Yadegari, Z., and Palanivelu, R. (2014). ACTIN-RELATED PROTEIN6 Regulates Female Meiosis By Modulating Meiotic Gene Expression in Arabidopsis. Plant Cell 26 (4): 1612-1628. DOI: https://doi.org/10.1105/tpc.113.120576. PubMed: 24737671. This article was also recommended by Faculty of 1000 Prime (http://f1000.com/prime/718352855).
Bashir, M. E. H., Lui, J. H., Palanivelu, R., Naclerio, R. M., and Preuss, D. (2013). Pollen Lipidomics: Lipid Profiling Exposes a Notable Diversity in 22 Allergenic Pollen and Potential Biomarkers of the Allergic Immune Response. PLoS ONE 8(2): e57566. DOI: https://doi.org/10.1371/journal.pone.0057566. PubMed ID: 23469025.
Cheung, A. Y., Palanivelu, R., Tang, W-H., Xue, H-W., and Yang, W-C. (2013). Pollen and Plant Reproduction Biology: Blooming from East to West. Mol. Plant 6 (4): 995-997.
Leydon, A.R., Beale, K,.M., Woroniecka, K., Castner, E., Chen, J., Horgan, C., Palanivelu, R., and Johnson, M.A. (2013). Three MYB Transcription Factors Control Pollen Tube Differentiation Required for Sperm Release. Curr. Biol. 23 (13): 1209-1214.
Veerappan. V., Wang, J., Kang, M., Lee, J., Tang, Y., Jha, A.K., Shi, H., Palanivelu, R., and Allen, R.D. (2012). A novel HSI2 mutation in Arabidopsis affects the PHD-like domain and leads to derepression of seed-specific gene expression. Planta. 236(1):1-17.
Palanivelu, R., and Tsukamoto, T. (2012). Pathfinding in plant reproduction: pollen tube guidance by pistils ensures successful double fertilization. WIREs Dev Biol. 1:96-113.
Palanivelu, R. (2011). Targeted growth of pollen tubes to ovules prior to completing fertilization. Molecular Reproduction and Development. 78 (12): 893.
Qin, Y., Wysocki, R.Y., Somogyi, A., Feinstein, Y., Franco, J.Y., Tsukamoto, T., Dunatunga, D., Levy, C., Smith, S., Simpson, R., Gang, D., Johnson, M.A., and Palanivelu, R. (2011). Sulfinylated Azadecalins act as functional mimics of a pollen germination stimulant in Arabidopsis pistils. Plant Journal. 68 (5): 800-815.
Brau, E., Barnard, K., Palanivelu, R., Dunatunga, D., Tsukamoto, T., and Lee, P. (2011). A generative statistical model for tracking multiple smooth tragectories. Proceedings of the IEEE Computer Vision and Pattern Recognition. 1137-1144. doi:10.1109/CVPR.2011.5995736.
Renault H, El Amrani A, Palanivelu R, Updegraff EP, Yu A, Renou JP, Preuss D, Bouchereau A, Deleu C. (2011). GABA Accumulation Causes Cell Elongation Defects and Decrease in Expression of Genes Encoding Secreted and Cell Wall-related Proteins in Arabidopsis thaliana. Plant Cell Physiology. 52(5): 894-908.
Yetisen, A.K., Jiang, L., Cooper, J.R., Qin, Y., Palanivelu, R*., and Zohar, Y*. (2011). A microsystem-based assay for studying pollen tube guidance in plant reproduction. Journal of Micromechanics and Microengineering 21(5): 054018.
Tsukamoto, T., and Palanivelu, R. (2010). Loss of LORELEI function in the pistil delays initiation but does not affect embryo development in Arabidopsis thaliana. Plant Signaling Behavior 5(11): 1487-1490.
Palanivelu, R., and Johnson, M.A. (2010). Functional genomics of pollen tube-pistil interactions in Arabidopsis. Biochemical Society Transactions 38(2): 593–597.
Tsukamoto, T., Qin Y., Huang, Y., Dunatunga, D. and Palanivelu, R. (2010). A role for LORELEI, a putative glycosylphosphatidylinositol-anchored protein, in Arabidopsis thaliana double fertilization and early seed development. Plant Journal 62(4): 571-588.
Qin, Y., Leydon A. R.,, Manziello A., Pandey R., Mount D., Denic S., Vasic B., Johnson M. A. and Palanivelu, R. (2009). Penetration of the stigma and style elicits a novel transcriptome in pollen tubes, pointing to genes critical for growth in a pistil. PLoS Genetics 5(8): e1000621.
Denic, S.Z., Vasic, B., Charalambous, C.D. and Palanivelu, R. (2009). Robust control of uncertain context-sensitive probabilistic Boolean networks. IET Systems Biology. 3(4): 279-295.
Geitmann, A. and Palanivelu, R. (2007). Fertilization requires communication: Signal generation and perception during pollen tube guidance. Floriculture and Ornamental Biotechnology 1(2): 77-89.
Nikolova, N*., Palanivelu, R*., King, E., Copenhaver, G., and Drews, G. N. (2007). Synergid cell death in Arabidopsis is triggered following direct interaction with the pollen tube. Plant Physiology 144: 1753-1762.

Teaching Responsibilities

  • PL S 359-Plant Cell Structure and Function

Research Areas

  • Biochemistry and Physiology
  • Biodiversity and Evolutionary Biology
  • Cell and Developmental Biology
  • Environmental and Stress Biology
  • Genetics and Epigenetics
  • Genomics, Bioinformatics, and Systems Biology