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PROF. XIA, Yiji (夏亦薺)

Chair Professor and Head of Department

(+852) 3411 7052
(+852) 3411 7052
RRS 815A


Ph.D. (Iowa State University)
M.Sc. (Chinese Academy of Agricultural Sciences)
B.Sc. (Hons.) (Zhejiang Agricultural University, Ningbo)

Selected Publications

(* indicates Y Xia as a corresponding/co-corresponding author)


  1. C Xiao, K Li, J Hua, Z He, Q Li, H Zhang, L Yang, S Pan, Z Cai, Z Yu, K-B Wong, Y Xia* (2022) Arabidopsis DXO1 activates RNMT1 to methylate the mRNA guanosine cap. Nature Communications, accepted for publication.
  2. Y Wang, H Zhang, P Wang, H Zhong, W Liu, S Zhang, L Xiong, Y Wu, Y Xia* (2022) Arabidopsis EXTRA-LARGE G PROTEIN 1 (XLG1) functions together with XLG2 and XLG3 in PAMP-triggered MAPK activation and immunity. Journal of Integrative Plant Biology,
  3. Y Wang, Y Wu, H Zhang, P Wang, Y Xia* (2022) Arabidopsis MAPKK kinases YODA, MAPKKK3 and MAPKKK5 are functionally redundant in development and immunity. Plant Physiology,
  4. Y Wang, Y Wu, H Zhong, S Chen, K Wong, Y Xia* (2022) Arabidopsis PUB2 and PUB4 connect signaling components of pattern-triggered immunity. New Phytologist, 233(5):2249-2265.
  5. H Zhang, H Zhong, X Wang, S Zhang, X Shao, H Hu, Z Yu, Z Cai, X Chen and Y Xia* (2021) Use of NAD tagSeq II to identify growth phase-dependent alterations in E. coli NAD-capping. Proc Natl Acad Sci USA, 118(14): e2026183118.
  6. H Hu, N Flynn, H Zhang, C You, R Hang, X Wang, H Zhong, Z Chan, Y Xia*, and X Chen (2021) SPAAC-NAD-seq, a sensitive and accurate method to profile NAD+-capped transcripts. Proc Natl Acad Sci USA, 118 (13) e2025595118.
  7. X Shao, H Zhang, Z Yang, H Zhong, Y Xia*, and Z Cai (2020) NAD tagSeq for transcriptome-wide identification and characterization of NAD+-capped RNAs. Nature Protocols, 15:2813–2836.
  8. Zhang H, Zhong H, Zhang S, Shao X, Ni M, Cai Z, Chen X, Xia Y* (2019) NAD tagSeq reveals that NAD+-capped RNAs are mostly produced from a large number of protein-coding genes in Arabidopsis. Proc Natl Acad Sci USA, 116 (24) 12072-12077,
  9. Li Y, Liu W, Zhong H, Zhang H, Xia Y* (2019) Redox-sensitive bZIP68 plays a role in balancing stress tolerance with growth in Arabidopsis. Plant Journal, doi: 10.1111/tpj.14476.
  10. Pan S, Li K, Huang W, Zhong H, Wu H, Wang Y, Zhang H, Cai Z, Guo H, Chen X, Xia Y* (2019) Arabidopsis DXO1 possesses deNADding and exonuclease activities and its mutation affects defense-related and photosynthetic gene expression. J Integrative Plant Biol, 62(7):967-983, doi: 10.1111/jipb.12867.
  11. Wang Y, Wu Y, Yu B, Yin Z, Xia Y* (2017) XLGs interact with AtPUB4 and AtPUB2 and function in multiple plant developmental processes. Plant Physiology, 173(2):1235–1246.
  12. Guan G, Yan B, Hua J, Thieme C, Zhu H, Zhao Z, Kragler F, Xia Y*, Zhang S (2016) PlaMoM: A comprehensive database compiles plant mobile macromolecules. Nuclear Acid Research, doi: 1093/nar/gkw988.
  13. Liu P, Zhang H, Wang H, Xia Y* (2014) Identification of redox-sensitive cysteines in the Arabidopsis proteome using OxiTRAQ, a quantitative redox proteomics method. Proteomics, 6:750-762.
  14. Wang H, Lu Y, Jiang T, Berg H, Li C, Xia Y* (2013) The Arabidopsis U-box/ARM repeat E3 ligase AtPUB4 influences growth and degeneration of tapetal cells and its mutation leads to conditional male sterility. Plant Journal, 74: 511–523.
  15. Wang H, Lu Y, Liu P, Wen W, Zhang J, Ge X, Xia Y* (2013) The ammonium/nitrate ratio is an input signal in the temperature-modulated, SNC1-mediated and EDS1- dependent autoimmunity of nudt6-2 nudt7. Plant Journal, 73:262-275.
  16. Wang H, Wang S, Lu Y, Alvarez S, Hicks L, Ge X, Xia Y* (2012) Proteomic Analysis of Early-Responsive Redox-Sensitive Proteins in Arabidopsis. Journal of Proteome Research, 11:412-424.
  17. Lu Y, Li C, Wang H, Chen H, Berg H, Xia Y* (2011) AtPPR2, an Arabidopsis pentatricopeptide repeat protein, binds to plastid 23S rRNA and plays an important role in the first mitotic division during gametogenesis and in cell proliferation during embryogenesis. Plant Journal 67:13-25.
  18. Xie YD , Li W , Guo D , Dong J , Zhang J, Fu Y, Ren D, Peng M, Xia Y* (2010) The Arabidopsis gene SIGMA FACTOR-BINDING PROTEIN 1 plays a role in the salicylate- and jasmonate-mediated defence responses. Plant, Cell & Environment 33:828-839.
  19. Zhu H, Li G, Ding L, Berg H, Cui X, Assmann S, Xia Y*. (2009) Arabidopsis Extra Large G Protein 2 (XLG2) interacts with the G subunit of heterotrimeric G protein and functions in disease resistance. Molecular Plant 2: 513-525.
  20. Ge X, Li G, Wang S, Zhu H, Zhu T, Wang X, Xia Y* (2007) AtNUDT7, a negative regulator of basal immunity in Arabidopsis, modulates two distinct defense response pathways and is involved in maintaining redox homeostasis. Plant Physiology, 145:204-215.
  21. Ge X, Dietrich C, Matsuno M, Li G, Berg H, Xia Y* (2005) An Arabidopsis aspartic protease functions as an anti-cell death component in reproduction and embryogenesis. EMBO Reports, 6:282-288.
  22. Xia Y*, Suzuki H, Borevitz J, Blount J, Guo Z, Dixon R, and Lamb C (2004) An extracellular aspartic protease in Arabidopsis functions in disease resistance signaling. EMBO Journal, 23:980-988.
  23. Borevitz# J, Xia# Y, Blount J, Dixon R, C Lamb. (2000) Activation tagging identifies a conserved MYB regulator of phenylpropanoid biosynthesis. Plant Cell 12, 2383-2394. #Co-first authors.
  24. Delledonne# M, Y Xia#, R Dixon and C Lamb (1998) Nitric oxide functions as a signal in plant disease resistance. Nature, 394:585-588. #Co-first authors.
  25. Xia Y, BJ Nikolau, and PS Schnable (1997) Developmental and hormonal regulation of the Arabidopsis CER2 gene which codes for a nuclear localized protein required for the normal accumulation of cuticular waxes. Plant Physiology 115:925-937.
  26. Xia Y, BJ Nikolau, PS Schnable (1996) Cloning and characterization of CER2, an Arabidopsis gene that affects cuticular wax accumulation. Plant Cell, 8:1291-1304.
  27. Civardi L, Y Xia, K Edwards, PS Schnable, BJ Nikolau (1994) The relationship between the genetic and physical distances of the cloned a1-sh2 interval of the Zea mays L. genome. Proc Natl Acad Sci USA 91:8268-8272.