College of Agriculture and Bioresources

Research Area(s)

  • Molecular biology and biotechnology of nutraceuticals
  • Bioactive lipids and industrial biochemicals


Food and Bioproduct Sciences


  • Ph.D. (Plant Molecular Biology), University of Guelph
  • M.Sc. (Plant Physiology), Southwest University, China
  • B.A. (Plant Science), Southwest University, China

Selected Publications

Xie X, Meesapyodsuk D, Qiu X* (2017): Ketoacylsynthase domains of a PUFA synthase in Thraustochytrium can effectively function as stand-alone enzymes in Escherichia coli. Appl Environ Microbiol. Feb 17, 2017. PubMed PMID: 28213537.

Meesapyodsuk D, Qiu X* (2016): Biosynthetic mechanism of very long chain polyunsaturated fatty acids in Thraustochytrium sp. 26185. J Lipid Res. 57:1854-1864.

Zhao X, Meesapyodsuk D, Qu C, Qiu X* (2016): Genomic Analysis of Genes Involved in the Biosynthesis of Very Long Chain Polyunsaturated Fatty Acids in Thraustochytrium sp.26185. Lipids. 51:1065-75.

Jiang S, Robertson T, Mostajeran M, Robertson AJ, Qiu X* (2016): Differential gene expression of two extreme honey bee (Apis mellifera) colonies showing varroa tolerance and susceptibility. Insect Mol Biol. 25:272-82. 

Meesapyodsuk D, Chen Y, Ng SH, Chen J and Qiu X* (2015): Metabolic engineering of Pichia pastoris to produce ricinoleic acid, a hydroxy fatty acid of industrial importance. Journal of Lipid Research56: 2102-2109. 

Subedi K, Yu HM, Newell M, Weselake RJ, Meesapyodsuk D, Qiu X, Shah S, Field CJ (2015) Stearidonic acid-enriched flax oil reduces the growth of human breast cancer in vitro and in vivo. Breast Cancer Res Treat, 149:17-29.

Withana-Gamage TS, Hegedus DD, Qiu X, Wanasundara JP (2015) Solubility, heat-induced gelation and pepsin susceptibility of cruciferin protein as affected by subunit composition. Food Biophysics, 10:103–115

Chen Y, Meesapyodsuk D and Qiu X* (2014): Transgenic production of omega-3 very long chain polyunsaturated fatty acids in plants: accomplishment and challenge. Biocatalysis and Agricultural Biotechnology, 3:38–43. (Invited review)

Meesapyodsuk D and Qiu X* (2014): Structure determinants for the substrate specificity of acyl-CoA △9 desaturases from a marine copepod. ACS Chemical Biology, 9, 922−934.

Withana-Gamage TS, Hegedus DD, Qiu X, Wanasundara JP (2013): Structural and physicochemical property relationships of cruciferin homohexamers. Journal of Agriculture and Food Chemistry, 61, 5848−5859.

Chen Y, Chi HY, Meesapyodsuk D and Qiu X* (2013): Phytophthora infestanscholinephosphotransferase with substrate specificity for very long chain polyunsaturated fatty acids. Applied and Environmental Microbiology, 79:1573-1579.

Vrinten P, Mavraganis I, Qiu X, Senger T, (2013): Biosynthesis of long chain polyunsaturated fatty acids in the marine Ichthyosporean Sphaeroforma arctica. Lipids, 48:263-274.

Meesapyodsuk D and Qiu X* (2012): The front-end desaturase: structure, function, evolution and biotechnological use. Lipids, 47:227-237, (invited review).

Teerawanichpan P and Qiu X* (2012): Molecular and functional analysis of three fatty acyl-CoA reductases with distinct substrate specificities in copepod Calanus finmarchicusMarine Biotechnology, 14:227-236.


Undergraduate course:

  • FABS 211: Introductory Bioproduct Science
  • FABS 362: Functional Food and Nutraceuticals
  • FABS 411: Lipid Science
  • PLSC 416: Applied Plant Biotechnology
  • FABS 492/4: Literature/Research Thesis

Graduate courses:

  • FDSC 811: Plant and Microbial Lipids
  • FDSC 855: Functional Genomics in Food & Bioproducts
  • FDSC 898: Molecular Techniques in Agricultural Biology