Mark BernardsWestern Science


Papers in Peer-Reviewed Journals

Names in Boldface: directly supervised HQP; Underlined Names: HQP trained by MAB to use analytical equipment, interpret data and/or edit MS.


79. Grieves, L.A., Gloor, G., Bernards, M.A., MacDougall-Shackleton, E.A. (2019) Songbirds show odour-based discrimination of similarity and diversity at the major histocompatibility complex. Animal Behaviour. (in press)

78. Grieves, L.A., Bernards, M.A., MacDougall-Shackleton, E.A. (2019) Behavioural responses of songbirds to preen oil odour cues of sex and species. Animal Behaviour. (in press)

77. Wu, G., Cui, X., Dai, Z., He, R., Li, Y., Yu, K., Bernards, M.A., Chen, X., Wang, A. (2019) A plant RNA virus hijacks endocytic proteins to establish its infection in plants. The Plant Journal (in press)

76. Doughty K.H., Garner, S.R., Bernards, M.A., Heath, J., and Neff, B.D. (2019) Effects of high and low fishmeal diets on growth rate and flesh characteristics in Chinook salmon (Oncorhynchus tshawytscha). Aquaculture Research. (in press)

75. Grieves, L.A., Bernards, M.A., MacDougall-Shackleton, E.A. (2019) Wax ester composition of songbird preen oil varies seasonally and differs between sexes, ages, and populations. J. Chem. Ecology (in press)

74.Pardy, J.A., Rundle, H.D., Bernards, M.A., Moehring, A.J. (2019) The genetic basis of female pheromone differences between Drosophila melanogaster and D. simulans. Heredity (in press)


73. Grieves, L.A., Kelly, T.R., Bernards, M.A., MacDougall-Shackleton, E.A. (2018) Preen oil wax ester composition is altered by malarial infection in songbirds: results from an experimental study. The Auk 135 (3), 767-776

72. Chen, B., Huang, Y., Zheng, D., Ni, R., Bernards, M.A. (2018) Dietary Fatty Acids Alter Lipid Profiles and Induce Myocardial Dysfunction Without Causing Metabolic Disorders in Mice. Nutrients 10, 106 doi:10.3390/nu10010106.

71. Woolfson, K.N., Haggitt, M.L., Zhang, Y., Kachura, A., Bjelica, A., Re Rincon, M.A., Kaberi, K.M., Bernards, M.A., (2018). Differential Induction of Polar and Non-polar Metabolism During Wound-Induced Suberization in Potato (Solanum tuberosum L.) Tubers. The Plant Journal. 93, 932-942. doi: 10.1111/tpj.13820.

70. Nathoo, N., Bernards, M. A., MacDonald, J., Yuan, Z. C. (2017) A Hydroponic Co-cultivation System for Simultaneous and Systematic Analysis of Plant/Microbe Molecular Interactions and Signaling. J. Vis. Exp. 125, e55955, doi:10.3791/55955.


Beaulieu, C., Sidibé, A., Jabloune, R., Simao-Beaunoir, A.-M., Lerat, S., Monga, E., & Bernards, M. A. (2016). Physical, Chemical and Proteomic Evidence of Potato Suberin Degradation by the Plant Pathogenic Bacterium Streptomyces scabiei. Microbes and Environments, 31(4), 427–434. [1]

68. Slade, J.W.G., Watson, M.J., Kelly, T.R., Gloor, G.B., Bernards, M.A., MacDougall-Shackleton, E.A. (2016) Chemical composition of preen wax reflects MHC similarity in songbirds. Proceedings of the Royal Society B (In press). DOI: 10.1098/rspb.2016.1966

67. Bjelica, A., Haggitt, M.L., Woolfson, K.N., Lee, D.P.N., Makhzoum, A.B., Bernards, M.A. (2016) Fatty acid w-hydroxylases from Solanum tuberosum. Plant Cell Reports. 35, 2435-2448. DOI: 10.1007/s00299-016-2045-4

66. Li., Y, Xiong, R., Bernards, M., Wang, A. (2016) Recruitment of Arabidopsis RNA Helicase AtRH9 to the Viral Replication Complex by Viral Replicase to Promote Turnip Mosaic Virus Replication. Scientific Reports 6, (Article number: 30297) doi:10.1038/srep30297

65. Dastmalchi, M., Bernards, M.A., Dhaubhadel, S. (2016) Twin anchors of the soybean isoflavonoid metabolon: evidence for the tethering of the complex to the endoplasmic reticulum by IFS and C4H. Plant Journal 85, 689-706.

64. Ma, Z., Marsolais, F., Bernards, M.A., Sumarah, M.W., Bykova, N.V., Igamberdiev, A.U. (2016) Glyoxylate cycle and metabolism of organic acids in the scutellum of barley seeds during germination. Plant Science 248, 37-44.

63. Ivanov, D.A., Georgakopoulos, J.R.C., Bernards, M.A. (2016) The Chemoattractant Potential of Ginsenosides in the Ginseng – Pythium irregulare Pathosystem. Phytochemistry 122, 56-64.

62. Ivanov, D.A., Bernards, M.A. (2016) Chlorophyll Fluorescence Imaging as a Tool to Monitor the Progress of a Root Pathogen in a Perennial Plant. Planta 243, 263-279.

61. Chen, B., Bernards, M. Wang, A. (2015) Complete Genome Sequence of a Bell Pepper Endornavirus Isolate from Canada. Genome Announc. 3(4): e00905-15. doi:  10.1128/genomeA.00905-15.


 60. Boychuk, E.C., Smiley, J.T., Dahlhoff, E.P., Bernards. M.A., Rank, N.E., and Sinclair, B.J. (2015) Cold tolerance of the montane Sierra leaf beetle, Chrysomela aeneicollis. J. Insect Physiol. 81, 157-166.

59. Padilla-Reynaud, R., Simao-Beaunoir, A.-M., Lerat, S., Bernards, M.A., and Beaulieu, C. (2015) Suberin regulates the production of cellulytic enzymes in Streptomyces scabei, the causal agent of potato common scab. Microbes & Environment 30, 245-253.

58. Schmerk, C., Welander, P.V., Hamad, M.A., Bain, K.L., Bernards, M.A., Summons, R.E. and Valvano, M.A. (2015) Elucidation of the Burkholderia cenocepacia hopanoid biosynthesis pathway uncovers functions for conserved proteins in hopanoid-producing bacteria. Environmental Microbiology 17, 735-750. 


 57. Cadieux, B, Vijayakumaran V, Bernards, M.A., McGavin, M.J. and Heinrichs, D.E. (2014) Role of lipase, from community-associated methicillin-resistant Staphylococcus aureus strain USA300, in hydrolyzing triglycerides into growth inhibitory free fatty acids. J. Bacteriol. 196, 4044-4056.

56. Williams, C.M., Nicolai, A., Ferguson, L.V., Bernards, M.A., Hellmann, J.J., and Sinclair, B.J. (2014) Cold hardiness and deacclimation of overwintering Papilio zelicaon pupae. Comparative Biochemistry and Physiology, Part A 178, 5158.

55. Boufis, N., Majda, K-S., Zakia, D., Djamila, Z., Abdelkader, M., Bernards, M.A., Makhzoum, A., and Khelifi, L. (2014) Effects of growth regulators and types of culture media on somatic embryogenesis in date palm (Phoenix dactylifera L. cv. Degla Beida) Scientia Horticulturae 172,135-142.

54. Kurepin, L.V., Park, J.-M., Lazarovits, G., and Bernards, M.A. (2014) Burkolderia phytofirmans-induced shoot and root growth promotion is associated with endogenous changes in plant growth hormone levels. Plant Growth Regulation 75, 199-207.

53. Black, C.A., Scott, R.J. and Bernards, M.A. (2014) Seasonal changes in carotenoid and lipid storage by threespine stickleback, Gasterosteus aculeatus. Environ. Biol. Fish 97, 209-214




52. Qaderi, M.M., Cavers, P.B., Hamill, A.S. and Bernards, M.A. (2012) Effects of collection time and after-ripening on chemical constituents and germinability of Scotch thistle (Onopordum acanthium) cypselas. Botany 90, 755-762.

51. Patel, K.B., Toh, E., Fernandez, X.B., Hanuszkiewicz, A., Brun, Y.V., Bernards, M.A. and Valvano, M.A. (2012)  Characterization of UDP-glucose:undecaprenyl-phosphate glucose-1-phosphate transferases of Escherichia coli and Caulobacter crescentus. J Bacteriol. 194, 2646-2657.

50. Stover, H.J., Thorn, R.G., Bowles, J.M., Bernards, M.A. and Jacobs, C. (2012) Differences in arbuscular mycorrhizal fungi and vascular plant species abundance and community structure in tallgrass prairies with varying agricultural disturbance histories. J.Appl. Soil Ecol. 60, 61-70.

49. Ivanov, D. and Bernards, M.A. (2012) Ginsenosidases and the pathogenicity of P. irregulare. Phytochemistry 78, 44-53.


 48. Schmerk, C., Bernards, M.A. and Valvano M.A. (2011) Hopanoid production is required for low pH tolerance, antimicrobial resistance, and motility in Burkholderia cenocepacia. J. Bac. 193, 6712-6723.

47. Bross, C.D, Corea, O.R.A., Kaldis, A., Menassa, R., Bernards, M.A., and Kohalmi*, S.E. (2011) Complementation of the pha2 Yeast Mutant Suggests Functional Differences for Arogenate Dehydratases from Arabidopsis thaliana. Plant Physiol & Biochem 49:882-890.

46. Makhzoum, A.B., Petit-Paly, G., St. Pierre, B and Bernards, M.A. (2011) Functional analysis of the DAT gene promoter using transient Catharanthus roseus and stable Nicotiana tabacum transformation systems. Plant Cell Reports 30, 1173-1182.

45. Meyer, C.J., Peterson, C.A. and Bernards, M.A. (2011) Spatial and temporal deposition of suberin during maturation of the onion root exodermis. Botany 89, 119-131.

44. Meyer, C.J., Peterson, C.A. and Bernards, M.A. (2011) A comparison of suberin monomers from the multiseriate exodermis of Iris germanica during maturation under differing growth conditions. Planta 233, 773-786.

43. Crosthwaite, J.C., Sobek, S., Lyons, D.B., Bernards, M.A. and Sinclair, B.J. (2011) The overwintering physiology of the emerald ash borer, Agrilus planipennis Fairmaire (Coleoptera: Buprestidae) J. Insect Physiol. 57, 166-173.


 42. Thomas, R.H., Price, E.N.R., Seewagen, C.L., Mackenzie, S.A., Bernards, M.A. and Guglielmo, C.G. (2010) Use of TLC-FID and GC-MS ⁄ FID to examine the effects of migratory state, diet and captivity on preen wax composition in White-throated Sparrows Zonotrichia albicollis. Ibis 152, 782–792

41. Arnason, J.T. and Bernards M.A. (2010) Impact of constitutive plant natural products on herbivores and pathogens. Can J Zoology 88, 615-627.

40. Bernards, M.A. (2010) Plant Natural Products: A Primer. Can J Zoology 88, 601-614.

39. Ranathunge, K., Shao, S., Qutob, D., Gijzen, M., Peterson, C.A., Bernards, M.A. (2010) Properties of the Soybean Seed Coat Cuticle Change During Development. Planta 231,1171-1188.

38. Thomas, R.H., Bernards, M.A., Drake, E.E. and Guglielmo, C.G. (2010). Changes in the antioxidant activities of seven herbs and spice-based marinating sauces after cooking. J Food Comp Anal. 23, 244-252.

37. Garner, S.R., Neff, B.D. Bernards, M.A. (2010) Dietary carotenoid levels affect carotenoid and retinoid allocation in female Chinook salmon (Oncorhynchus tshawytscha). J. Fish Biology 76, 1474-1490. 


36. Neculai, M.A., Ivanov, D and Bernards MA. (2009) Partial purification and characterization of three ginsenoside-metabolizing b-glucosidases from Pythium irregulare. Phytochemistry 70, 1948-1957.

35. Gerson, A.R., Brown, J.C.L., Thomas, R., Bernards, M.A. and Staples, J.F. (2008) Effects of Dietary Polyunsaturated Fatty Acids on Mitochondiral Metabolism in Mammalian Hibernation. J. Ex. Biology 211, 2689-2699.

34. Ranathunge, K., Thomas,R., Fang, X., Gijzen, M., Bernards, M.A. and Peterson, C.A. (2008) Soybean Root Suberin and Partial Resistance to Phytophthora sojae Root Rot. Phytopathology 98, 1179-1189.

33. Qutob, D., Ma, F., Peterson, C.A., Bernards M.A. and Gijzen, M. (2008) Structural and Permeability Properties of the Soybean Seed Coat. Botany (formerly Can. J. Bot.). 86, 219-227.

32. Shao, D., Dunlop, W.D., Lui, E.M.K. and Bernards, M.A. (2008) Immunostimulatory and Anti-inflammatory Polysaccharides from Tripterygium wilfordii: Comparison with Organic Extracts. Pharmaceutical Biology 46, 8-15.

31. Cho, M.H., Corea, O.R.A., Yang, H., Bedgar, D.L., Laskar, D.D., Anterola, A.M., Moog-Anterola, F.A., Hood, R.L., Kohalmi, S.E., Bernards, M.A., Kang, C.H., Davin, L.B., and Lewis, N.G. (2007) Phenylalanine Biosynthesis In Arabidopsis Thaliana Identification and Characterization of Arogenate Dehydratases. J. Bio. Chem. 282, 30827-30835. 

30. Yang, W. and Bernards, M.A. (2007) Metabolite Profiling of Potato (Solanum tuberosum L.) Tubers During Wound-Induced Suberization. Metabolomics 3, 147-159.).

29. Thomas, R., Fang, X., Ranathunge, K., Peterson, C.A. and Bernards, M.A. (2007) Soybean Root Suberin: Anatomical Distribution, Chemical Composition and Relationship to Partial Resistance to Phytophthora sojae. Plant Physiology 144, 299-311.

28. Nasir, M.I., Bernards, M.A. and Charpentier, P.A. (2007) Acetylation of Soybean Lecithin for Application In Supercritical Carbon Dioxide J. Agric. Food Chem. 55,1961-1969.

27. Shao, S., Meyer, C.J., Ma, F. Peterson, C.A., and Bernards, M.A. (2007) The Outermost Cuticle of Soybean Seeds: Chemical Composition and Function During Imbibition. J. Ex. Bot. 58,1071-1082.

26. Yang, W. and Bernards, M.A. (2006) Wound Induced Metabolism of Fatty Acids in Potato (Solanum tuberosum) Tubers. Plant Signaling and Behavior 1, 59-66.

25. Wood, J.A., Bernards, M.A., Wan, W. and Charpentier, P.A. (2006) Extraction of Ginsenosides from North American Ginseng using Modified Supercritical Carbon Dioxide. Journal of Super Critical Fluids 39, 40-47.

24. Qaderi, M.M., Cavers, P.B., Hamill, A.S., Downs, M.P. and Bernards. M.A. (2006) Maturation temperature regulates germinability and chemical constituents of Scotch thistle (Onopordum acanthium) cypselas. Can. J. Botany 84, 28-38.

23. Yousef, L.F. and Bernards, M.A. (2006) In vitro metabolism of ginsenosides by the ginseng root pathogen Pythium irregulare. Phytochemistry 67, 1740-1749.

22. Christov A., Korol, R.M., Dai, E., Liu, L., Guan, H., Bernards, M.A., Cavers, P.B., Susko, D. and Lucas, A. (2005) In vivo optical analysis of quantitative changes in collagen and elastin during arterial remodelling. Photochemistry and Photobiology 81, 457-466.

21. Bernards, M.A., Summerhurst, D.K., and Razem, F.A. (2004) Oxidases, peroxidases and hydrogen peroxide: The suberin connection. Phytochemistry Reviews 3, 113-126.

20. Qaderi, M.M., Cavers, P.B., and Bernards, M.A. (2003) Isolation and structural characterization of a water-soluble germination inhibitor from Scotch thistle (Onopordum acanthium) cypselas. Journal of Chemical Ecology 29, 2425-2438.

19. Nicol, R.W., Yousef, L., Traquair, J.A. and Bernards, M.A. (2003) Ginsenosides stimulate the growth of soilborne pathogens of American ginseng. Phytochemistry 64, 257-264.

18. Qaderi, M.M., Cavers, P.B. and Bernards, M.A. (2003) Pre- and post-dispersal factors regulate germination patterns and structural characteristics of Scotch thistle (Onopordum acanthium) cypselas. New Phytologist 159, 263-278.

17. Razem, F.A. and Bernards, M.A. (2003) Reactive oxygen species production in association with suberization: Evidence for an NADPH-dependent oxidase. Journal of Experimental Botany 54, 935-941.

16. Qaderi, M.M., Cavers, P.B. and Bernards, M.A. (2002) Seedbank Dynamics of Onopordum acanthium: Emergence patterns and chemical attributes. Journal of Ecology 90, 672-683.

15. Nicol, R.W., Traquair, J.A. and Bernards, M.A. (2002) Ginsenosides as host resistance factors in American ginseng (Panax quinqufolius L.). Canadian Journal of Botany 80, 557-562.

14. Bernards, M.A. (2002) Demystifying suberin. Canadian Journal of Botany 80, 227-240

13. Razem, F. A. and Bernards, M.A. (2002) Hydrogen peroxide is required for poly(phenolic) domain formation during wound-induced suberization. Journal of Agriculture and Food Chemistry 50, 1009-1015.

12. Yang, X., Summerhurst, D.K., Koval, S.F., Ficker, C., Smith, M.L. and Bernards, M.A. (2001) Isolation of an anti-microbial compound from Impatiens balsamina L. using bioactivity-guided fractionation. Phytotherapy Research 15, 676-680.

11. Bernards, M.A. and Razem, F.A. (2001) The poly(phenolic) domain of potato suberin: A non-lignin plant cell wall bio-polymer. Phytochemistry 57, 1115-1122.

10. Bernards, M.A., Susag, L.M., Bedgar, D.L., Anterola, A.M. and Lewis, N.G. (2000) Induced phenylpropanoid metabolism during suberization and lignification: A comparative analysis. Journal of Plant Physiology 157, 601-607.




9. Bernards, M.A., Fleming, W.D., Llewellyn, D.B., Priefer, R., Yang, X., Sabatino, A. and Plourde, G.L. (1999) Biochemical characterization of the suberin-associated anionic peroxidase of potato (Solanum tuberosum L.). Plant Physiology 121, 135-145.

8. Bernards, M.A. and Lewis, N.G. (1998) The Macromolecular Aromatic Domain in Suberized Tissue: A Changing Paradigm. Phytochemistry 47, 915-933.

7. Bernards, M.A., Lopez, M.L., Jajicek, J. and Lewis, N.G. (1995) Hydroxycinnamic acid polymers constitute the polyaromatic domain of suberin. Journal of Biological Chemistry 270, 7382-7386.

6. Nose, M., Bernards, M.A., Furlan, M., Zajicek, J., Eberhardt, T.L., and Lewis, N.G. (1995) Towards the specification of consecutive steps in macromolecular lignin assembly. Phytochemistry 39, 71-79.

5. Eberhardt, T.L., Bernards, M.A., He, L., Davin, L.B., Wooten, J.B. and Lewis, N.G. (1993) Lignification in cell suspension cultures of Pinus taeda: In situ characterization of a gymnosperm lignin. Journal of Biological Chemistry 268, 21088-21096.

4. Bernards, M.A. and Lewis, N.G. (1992) Alkyl ferulates in wound healing potato tubers. Phytochemistry 31, 3409-3412.

3. Bernards, M.A. and Ellis, B.E. (1991) Phenylalanine ammonia-lyase from tomato cell cultures inoculated with Verticillium albo-atrum. Plant Physiology 97, 1494-1500.

2. Bernards, M.A., Strack, D., Wray, V. and Ellis, B.E. (1991) Caffeoyl glucosides in fungal challenged tomato suspension cultures. Phytochemistry 30, 497-499.

1. Bernards, M.A. and Ellis, B.E. (1989) Phenylpropanoid metabolism in tomato cell cultures co-cultivated with Verticillium albo-atrum. Journal of Plant Physiology 135, 21-26.