Research Area(s)

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


Food and Biproduct Sciences


Ph.D. (Plant Molecular Biology), University of Guelph

M.Sc. (Plant Physiology), Southwest University

B.A.  (Plant Science), Southwest University

Selected Recent 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 course:

FDSC 811: Plant and Microbial Lipids

FDSC 855: Functional Genomics in Food & Bioproducts

FDSC 898: Molecular Techniques in Agricultural Biology