Publications – John MacKay


Hung, T.-H., E.T.Y. Wu, P. Zeltins, A. Jansons, A. Ullah, N. Erbilgin, J. Bohlmann, J. Bousquet, I. Birol, S. Clegg & J.J. Mackay. 2024. Long-insert sequence capture detects high copy numbers in the defence beta-glucosidase gene βglu-1 with large variations in Picea glauca but not Picea abies. BMC Genomics. 25: 118 (16p.).

Tumas, H., J.J. Ilska, S. Gérardi, J. Laroche, S. A’Hara, B. Boyle, M. Janes, P. McLean, G. Lopez, S.J. Lee, J. Cottrell, G. Gorjanc, J. Bousquet, J.A. Woolliams & J.J. MacKay. 2024. High-density genetic linkage mapping in Sitka spruce advances the integration of genomic resources in conifers. G3 – Genes Genomes Genetics. Sous presse.


Depardieu, C., S. Gérardi, S. Nadeau, G. Parent, J. Mackay, P. Lenz, J. Bousquet & N. Isabel. 2021. Connecting tree-ring phenotypes, association genomics, and transcriptomics to decipher the genomic architecture of drought tolerance in a widespread conifer. Molecular Ecology 30: 3898-3917 (cet article a été désigné pour la page de couverture du numéro du mois d’août 2021 du journal et a fait l’objet d’un commentaire éditorial publié aux pages 3893-95 de ce même numéro).


Parent, G., C. Méndez-Espinoza, I. Giguère, M. Mageroy, M. Charest, E. Bauce, J. Bohlmann & J. Mackay. 2020. Hydroxyacetophenone defenses in white spruce against spruce budworm. Evolutionary Applications 13: 62-75.


Van Ghelder, C., G.J. Parent, P. Rigault, J. Prunier, I. Giguère, S. Caron, J. Stival Sena, A. Deslauriers, J. Bousquet, D. Esmenjaud & J. Mackay. 2019. The large repertoire of conifer NLR resistance genes includes drought responsive and highly diversified RNLs. Scientifc Reports. 9: 11614 (13p.).


Lamara, M., G.J. Parent, I. Giguère, J. Beaulieu, J. Bousquet & J.J. MacKay. 2018. Association genetics of acetophenone defence against spruce budworm in mature white spruce. BMC Plant Biology 18: 231 (15p.).

Prunier, J., I. Giguère, N. Ryan, R. Guy, R. Soolanayakanahally, N. IsabelJ. MacKay & I. Porth. 2018. Gene copy number variations involved in balsam poplar (Populus balsamifera L.) adaptive variations. Molecular Ecology 28: 1476-1490.

Stival Sena, J., I. Giguère, P. Rigault, J. Bousquet & J. MacKay. 2018. Expansion of the dehydrin family in the Pinaceae is associated with considerable structural diversity and drought-responsive expression. Tree Physiology 38: 442-456.


Prunier, J., S. Caron, M. Lamothe, S. Blais, J. Bousquet, N. Isabel & J. Mackay. 2017. Gene copy number variations and adaptive evolution: the genomic architecture of gene CNVs revealed by genetic mapping and their adaptive role in a non domesticated species, white spruce. Molecular Ecology 26: 5989-6001.

Godbout, J., L. Tremblay, C. Levasseur, P. Lavigne, A. Rainville, J. MacKay, J. Bousquet & N. Isabel. 2017. Development of a traceability system based on a SNP array for large-scale production of high-value white spruce (Picea glauca). Frontiers in Plant Science 8: 1264 (13p.).

Prunier, J., S. Caron & J. MacKay. 2017. CNVs into the wild: screening the genomes of conifer trees (Picea spp.) reveals fewer gene copy number variations in hybrids and links to adaptation . BMC Genomics 18:97.


Lamara, M., E. Raherison, P. Lenz, J. Beaulieu, J. Bousquet & J. MacKay. 2016. Genetic architecture of wood properties based on association analysis and co-expression networks in white spruce. New Phytologist 210: 240-255.

Prunier J., J-P. Verta & J.J. MacKay. 2016. Conifer genomics and adaptation: at the crossroads of genetic diversity and genome function. New Phytologist 209: 44-62.


Mageroy, M.H., G. Parent, G. Germanos, I. Giguère, N. Delvas, H. Maaroufi, E. Bauce, J. Bohlmann & J.J. Mackay. 2015. Expression of the β-glucosidase gene Pgβglu-1 underpins natural resistance of white spruce against spruce budworm. The Plant Journal 81: 68-80.

Prunier, J., G. Tessier, J. Bousquet & J. Mackay. 2015. From genotypes to phenotypes: expression levels of genes encompassing adaptive SNPs in black spruce. Plant Cell Reports 34: 2111-2125 (15p.).

Raherison E.S., I. Giguère, S. Caron, M. Lamara & J.J. MacKay. 2015. Modular organization of the white spruce (Picea glauca) transcriptome reveals functional organization and evolutionary signatures. New Phytologist 207: 172-187.

Warren R.L., C.I Keeling, M.M. Yuen, A. Raymond, G.A. Taylor, B.P. Vandervalk, H. Mohamadi, D. Paulino, R. Chiu, S.D. Jackman, G. Robertson, C. Yang, M. Hoffmann, D. Weigel, D.R. Nelson, C. Ritland, N. Isabel, B. Jaquish, A. Yanchuk, J. Bousquet, S.J. Jones, J. MacKay, I. Birol & J. Bohlmann. 2015. Improved white spruce (Picea glauca) genome assemblies and annotation of large gene families of conifer terpenoid and phenolic defense metabolism. The Plant Journal 83: 189-212.


Beaulieu, J., T. Doerksen, S. Clément, J. Mackay & J. Bousquet. 2014. Accuracy of genomic selection models in a large population of open-pollinated families in white spruce. Heredity 113:343-352.

Beaulieu, J., T.K. Doerksen, J. MacKay, A. Rainville & J. Bousquet. 2014. Genomic selection accuracies within and between environments and small breeding groups in white spruce. BMC Genomics 15:1048.

Bomal, C., I. Duval, I. Giguère, É. Fortin, S. Caron, D. Stewart, B. Boyle, A. Séguin & J.J. MacKay. 2014. Opposite action of R2R3-MYBs from different subgroups on key genes of the shikimate and monolignol pathways in spruce. Journal of Experimental Botany 65:495-508.

De La Torre, A.R., I. Birol, J. Bousquet, P.K. Ingvarsson, S. Jansson, S.J.M. Jones, C.I. Keeling, J. MacKay, O. Nilsson, K. Ritland, N. Street, A. Yanchuk, P. Zerbe & J. Bohlmann. 2014. Insights into conifer giga-genomes. Plant Physiology 166: 1724-1732.

Duval, I., D. Lachance, I. Giguère, C. Bomal, M.-J. Morency, G. Pelletier, B. Boyle, J.J. Mackay & A. Séguin. 2014. Large-scale screening of transcription factor–promoter interactions in spruce reveals a transcriptional network involved in vascular development. Journal of Experimental Botany 65:2319-2333.

Lenz, P., M. Deslauriers, C.-H. Ung, J. MacKay & J. Beaulieu. 2014. What do ecological regions tell us about wood quality? A case study in eastern Canadian white spruce. Canadian Journal of Forest Research 44:1383-1393.

Stival Sena, J., I. Giguère, B. Boyle, P. Rigault, I. Birol, A. Zuccolo, K. Ritland, C. Ritland, J. Bohlmann, S. Jones, J. Bousquet & J. MacKay. 2014. Evolution of gene structure in the conifer Picea glauca: a comparative analysis of the impact of intron size. BMC Plant Biology 14:95 (16p.).


Beaulieu, J., I. Giguère, M. Deslauriers, B. Boyle & J. MacKay. 2013. Differential gene expression patterns in white spruce newly formed tissue on board the International Space Station. Advances in Space Research 52:760-772.

Birol, I., A. Raymond, S.D. Jackman, S. Pleasance, R. Coope, G.A. Taylor, M.M. Saint Yuen, C.I. Keeling, D. Brand, B.P. Vandervalk, H. Kirk, P. Pandoh, R.A. Moore, Y. Zhao, A.J. Mungall, B. Jaquish, A. Yanchuk, C. Ritland, B. Boyle, J. Bousquet, K. Ritland, J. MacKay, J. Bohlmann & S.J.M. Jones. 2013. Assembling the 20 Gb white spruce (Picea glauca) genome from whole-genome shotgun sequencing data. Bioinformatics 29:1492-1497.

Lenz, P., D. Auty, A. Achim, J. Beaulieu & J. Mackay. 2013. Genetic improvement of white spruce mechanical wood traits – early screening by means of acoustic velocity. Forests 4:575-594.

Nystedt, B., N.R. Street, A. Wetterbom, A. Zuccolo, Y.-C. Lin, D.G. Scofield, F. Vezzi, N. Delhomme, S. Giacomello, A. Alexeyenko, R. Vicedomini, K. Sahlin, E. Sherwood, M. Elfstand, L. Gramzow, K. Holmberg, J. Hällman, O. Keech, L. Klasson, M. Koriabine, M. Kucukoglu, M. Käller, J. Luthman, F. Lysholm, T. Niittylä, Å. Olson, N. Rilakovic, C. Ritland, J.A. Rosselló, J. Sena, T. Svensson, C. Talavera-López, G. Theißen, H. Tuominen, K.Vanneste, Z.-Q. Wu, B. Zhang, P. Zerbe, L. Arvestad, R. Bhalerao, J. Bohlmann, J. Bousquet, R. Garcia Gil, T.R. Hvidsten, P. de Jong, J. MacKay, M. Morgante, K. Ritland, B. Sundberg, S. Lee Thompson, Y. Van de Peer, B. Andersson, O. Nilsson, P.K. Ingvarsson, J. Lundeberg & S. Jansson. 2013. The Norway spruce genome sequence and conifer genome evolution. Nature 497:579-584.

Pavy, N., A. Deschênes, S. Blais, P. Lavigne, J. Beaulieu, N. Isabel, J. Mackay & J. Bousquet. 2013. The landscape of nucleotide polymorphism among13,500 genes of the conifer Picea glauca, relationships with functions and comparison with Medicago truncatula. Genome Biology and Evolution 5:1910-1925.

Pavy, N., F. Gagnon, P. Rigault, S. Blais, A. Deschênes, B. Boyle, B. Pelgas, M. Deslauriers, S. Clément, P. Lavigne, M. Lamothe, J.E.K. Cooke, J.P. Jaramillo-Correa, J. Beaulieu, N. Isabel, J. Mackay & J. Bousquet. 2013. Development of high-density SNP genotyping arrays for white spruce (Picea glauca) and transferability to subtropical and nordic congeners. Molecular Ecology Resources 13:324-336.

Rutledge R.G., D. Stewart, S. Caron, C. Overton, B. Boyle, J. MacKay & K. Klimaszewska. 2013. Potential link between biotic defense activation and recalcitrance to induction of somatic embryogenesis in shoot primordia from adult trees of white spruce (Picea glauca). BMC Plant Biology 13:116 (17p.).

Verta J.-P., C.R. Landry & J.J. MacKay. 2013. Are long-lived trees poised for evolutionary change? Single locus effects in the evolution of gene expression networks in spruce. Molecular Ecology 22:2369-2379.


Lenz, P., M. Bernier-Cardou, J. MacKay & J. Beaulieu. 2012. Can wood properties be predicted from the morphological traits of a tree? A canonical correlation study of plantation-grown white spruce. Canadian Journal of Forest Research 42:1518-1529.

Mackay, J., J.F.D. Dean, C. Plomion, D.G. Peterson, F.M. Cánovas, N. Pavy, P.K. Ingvarsson,  O. Savolainen, M.A. Guevara, S. Fluch, B. Vinceti, D. Abarca, C. Díaz-Sala & M.-T. Cervera. 2012. Towards decoding the conifer giga-genome. Plant Molecular Biology 80:555-569.

Raherison E., P. Rigault, S. Caron, P.-L. Poulin, B. Boyle, J.-P. Verta, I. Giguère, C. Bomal, J. Bohlmann & J. MacKay. 2012. Transcriptome profiling in conifer trees and PiceaGenExpress database show patterns of diversification within gene families and interspecific conservation in vascular gene expression. BMC Genomics 13:434 (16p.).


Beaulieu, J., T. Doerksen, B. Boyle, S. Clément, M. Deslauriers, S. Beauseigle, S. Blais, P.-L. Poulin, P. Lenz, S. Caron, P. Rigault, P. Bicho, J. Bousquet & J. MacKay. 2011. Association genetics of wood physical traits in the conifer white spruce and relationships with gene expression. Genetics 188:197-214.

Lenz, P., J. MacKay, A. Rainville, A. Cloutier & J. Beaulieu. 2011. The influence of cambial age on breeding for wood properties in Picea glauca. Tree Genetics & Genomes 7:641-653.

MacKay, J., B. Boyle, W. El Kayal, M.-C. Namroud, T. Doerksen, J. Cooke, N. Isabel, J. Beaulieu, P. Rigault, P. Bicho & J. Bousquet. 2011. Gene mapping in white spruce (P. glauca): QTL and association studies integrating population and expression data. BMC Proceedings 5 (Suppl. 7):I6 (2p.).

MacKay, J. & J.F.D. Dean. 2011. Chapter 8: Transcriptomics. In Genetics, Genomics and Breeding of Conifers (C. Plomion, J. Bousquet & C. Kole, Eds). Edenbridge Science Publishers & CRC Press, New York, pp. 323-357.

Rigault, P., B. Boyle, P. Lepage, J.E.K. Cooke, J. Bousquet & J. MacKay. 2011. A white spruce gene catalogue for conifer genome analyses. Plant Physiology 157:14-28.


Bedon, F., C. Bomal, S. Caron, C. Levasseur, B. Boyle, S.D. Mansfield, A. Schmidt, J. Gershenzon, J. Grima-Pettenati, A. Séguin & J. MacKay. 2010. Subgroup 4 R2R3-MYBs in conifer trees: gene family expansion and contribution to the isoprenoid- and flavonoid- oriented response. Journal of Experimental Botany 61:3847-3864.

Côté, C.L., F. Boileau, V. Roy, M. Ouellet, C. Levasseur, M.-J. Morency, J.E.K. Cooke, A. Séguin & J.J. MacKay. 2010. Gene family structure, expression and functional analysis of HD-Zip III genes in angiosperm and gymnosperm forest trees. BMC Plant Biology 10:273 (17p.).

Legay, S., P. Sivadon, A.-S. Biervacq, N. Pavy, A. Baghdady, L. Tremblay, C. Levasseur, N. Ladouce, C. Lapierre, A. Séguin, S. Hawkins, J. MacKay & J. Grima-Pettenati. 2010. EgMYB1, an R2R3 MYB transcription factor from eucalyptus negatively regulates secondary cell wall formation in Arabidopsis and poplar. New Phytologist 188:774-786.

Lenz, P., A. Cloutier, J. MacKay & J. Beaulieu. 2010. Genetic control of wood properties in Picea glauca – an analysis of trends with cambial age. Canadian Journal of Forest Research 40:703-715.

Namroud, M.-C., C. Guillet-Claude, J. MacKay, N. Isabel & J. Bousquet. 2010. Molecular evolution of regulatory genes in spruces from different species and continents: heterogeneous patterns of linkage disequilibrium and selection but correlated recent demographic changes. Journal of Molecular Evolution 70:371-386.

Pitre, F., F. Lafarguette, B. Boyle, N. Pavy, S. Caron, N. Dallaire, P.-L. Poulin, M. Ouellet, M.-J. Morency, N. Wiebe, E. Ly Lim, A. Urbain, G. Mouille, J.E.K. Cooke & J. MacKay. 2010. High nitrogen fertilization and stem leaning have overlapping effects on wood formation in poplar but invoke largely distinct molecular pathways. Tree Physiology 30:1273-1289.


Bedon, F., C. Levasseur, J. Grima-Pettenati, A. Séguin & J. Mackay. 2009. Sequence analysis and functional characterization of the promoter of the Picea glauca Cinnamyl Alcohol Dehydrogenase gene in transgenic white spruce plants. Plant Cell Reports 28:787-800.

Boyle, B., N. Dallaire & J. Mackay. 2009. Evaluation of the impact of single nucleotide polymorphisms and primer mismatches on quantitative PCR. BMC Biotechnology 9:75 (15p.).

Levée, V., I. Major, C. Levasseur, L. Tremblay, J. Mackay & A. Séguin. 2009. Expression profiling and functional analysis of Populus WRKY23 reveals a regulatory role in defense. New Phytologist 184:48-70.

Zhao, N., B. Boyle, I. Duval, J.-L. Ferrer, H. Lin, A. Séguin, J. Mackay & F. Chen. 2009. SABATH methyltransferases from white spruce (Picea glauca): gene cloning, functional characterization and structural analysis. Tree Physiology 29:947-957.


Bomal, C., F. Bedon, S. Caron, S.D. Mansfield, C. Levasseur, J.E.K. Cooke, S. Blais, L. Tremblay, M.-J. Morency, N. Pavy, J. Grima-Pettenati, A. Séguin & J. MacKay. 2008. Involvement of Pinus taeda MYB1 and MYB8 in phenylpropanoid metabolism and secondary cell wall biogenesis: a comparative in planta analysis. Journal of Experimental Botany 59:3925-3939.

Bousquet, J., J. Beaulieu, A. Rainville & J. Mackay. 2008. IUFRO-CTIA 2008 International Joint Conference / Congrès conjoint international IUFRO-ACAA 2008, Québec. Scientific Program and Abstracts / Programme scientifique et résumés. Azimut, Québec. 230p.

Kukavica-Ibrulj, I., F. Sanschagrin, A. Peterson, M. Whiteley, B. Boyle, J. Mackay & R.C. Lévesque. 2008. Functional genomics of PycR, a LysR family transcriptional regulator essential for maintenance of Pseudomonas aeruginosa in the rat lung. Microbiology 154:2106–2118.

Pavy, N., B. Boyle, C. Nelson, C. Paule, I. Giguère, S. Caron, L. Parsons, N. Dallaire, F. Bedon, H. Bérubé, J.E.K. Cooke & J. Mackay. 2008. Identification of conserved core xylem gene sets: conifer cDNA microarray development, transcript profiling and computational analyses. New Phytologist 180:766-786.

Yu, Q., S.Y. Zhang, A. Pliura, J. Mackay, J. Bousquet & P. Périnet. 2008. Variation in mechanical properties of selected young poplar hybrid crosses. Forest Science 54:255-259.


Bedon, F., J. Grima-Pettenati & J. Mackay. 2007. Conifer R2R3-MYB transcription factors: sequence analyses and gene expression in wood-forming tissues of white spruce (Picea glauca). BMC Plant Biology 7:17 (17p).

Harrison, E.J., M. Bush, J.M. Plett, D.P. McPhee, R. Vitez, B. O’Malley, V. Sharma, W. Bosnich, A. Séguin, J. Mackay & S. Regan. 2007. Diverse developmental mutants revealed in an activation-tagged population of poplar. Canadian Journal of Botany 85:1071-1081.

Legay, S., E. Lacombe, M. Goicoechea, C. Brière, A. Séguin, J. Mackay & J. Grima-Pettenati. 2007. Molecular characterization of EgMYB1, a putative transcriptional repressor of the lignin biosynthetic pathway. Plant Science 173:542-549.

Pavy, N., J.E. Johnson, J.A. Crow, C. Paule, T. Kunau, J. Mackay & E. Retzel. 2007. ForestTreeDB: a database dedicated to the mining of tree transcriptomes. Nucleic Acids Research 35:888-894.

Pitre, F.E., J.E.K. Cooke & J. Mackay. 2007. Short-term effects of nitrogen availability on wood formation and fibre properties in hybrid poplar. Trees 21:249-259.

Pitre, F.E., B. Pollet, F. Lafarguette, J.E.K. Cooke, J. Mackay & C. Lapierre. 2007. Effects of increased nitrogen supply on the lignification of poplar wood. Journal of Agricultural and Food Chemestry 55:10306-10314.

Pliura, A., S.Y. Zhang, J. Mackay & J. Bousquet. 2007. Genotypic variation in wood density and growth traits of poplar hybrids at four clonal trials. Forest Ecology and Management 238:92-106.


Mackay, J.J., M.R. Becwar, Y.-S. Park, J.P. Corderro & G.S. Pullman. 2006. Genetic control of somatic embryogenesis initiation in loblolly pine and implications for breeding. Tree Genetics & Genomes 2:1-9.

Pavy, N., L.S. Parsons, C. Paule, J. MacKay & J. Bousquet. 2006. Automated SNP detection from a large collection of white spruce expressed sequences: contributing factors and approaches for the categorization of SNPs. BMC Genomics 7:174 (14p.).

Pliura, A., S.Y. Zhang, J. Bousquet & J. Mackay. 2006. Age trends in genotypic variation of wood density and its intra-ring components in young poplar hybrid crosses at four clonal trials. Annals of Forest Science 63:673-685.


Pavy, N., J. Laroche, J. Bousquet & J. Mackay. 2005. Large-scale statistical analysis of secondary xylem ESTPs in pine. Plant Molecular Biology 57:203-224.

Pavy, N., C. Paule, L. Parsons, J.A. Crow, M.-J. Morency, J.E.K. Cooke, J.E. Johnson, E. Noumen, C. Guillet-Claude, Y. Butterfield, S. Barber, G. Yang, J. Liu, J. Stott, R. Kirkpatrick, A. Siddiqui, R. Holt, M. Marra, M. Séquin, E. Retzel, J. Bousquet & J. Mackay. 2005. Generation, annotation, analysis, and database integration of 16,500 white spruce EST clusters. BMC Genomics 6:144 (19 p.).

Pliura, A., Q. Yu, S.Y. Zhang, J. Mackay, P. Périnet & J. Bousquet. 2005. Variation in wood density and shrinkage and their relationship to growth of selected young poplar hybrid crosses. Forest Science 51:472-482.

Tarca, A.L., J.E.K. Cooke & J. Mackay. 2005. A robust neural networks approach for spatial and intensity-dependent normalization of cDNA microarray data. Bioinformatics 21:2674-2683.


Egertsdotter, U., L.M. van Zyl, J. Mackay, G. Peter, M. Kirst, C. Clark, R.W. Whetten & R. Sederoff. 2004. Gene expression during formation of earlywood and latewood in Loblolly pine: expression profiles of 350 genes. Plant Biology 6:654-663.

Mackay, J., H. Bérubé, S. Regan & A. Séguin. 2004. Functional genomics in forest trees: application to the investigation of defense mechanisms and wood formation. In Plantation Forest Biotechnology for the 21st Century (C. Walter & M. Carson, Eds). Pp.163-180.


Goujon, T., R. Sibout, A. Eudes, J. Mackay & L. Jouanin. 2003. Genes involved in the biosynthesis of lignin precursors in Arabidopsis thaliana. Plant Physiology & Biochemistry 41:677-687.

Kim, H., J. Ralph, F. Lu, S.A. Ralph, A.-M. Boudet, J. Mackay, R. Sederoff, T. Ito, S. Kawai, H. Ohashi, T. Higuchi. 2003. NMR analysis of lignins in CAD-deficient plants. Part 1. Incorporation of hydroxycinnamaldehydes and hydroxybenzaldehydes into lignins. Organic & Biomolecular Chemistry 1:268-281.


Dimmel, D.R., J. Mackay, C.E. Courchene, J.F. Kadla, J.T. Scott, D.M. O’Malley & S.E. McKeand. 2002. Pulping and bleaching of partially CAD-deficient wood. Journal of Wood Chemistry and Technology 22:235-248.

van Zyl, L.M., S. von Arnold, P. Bozhkov, Y. Chen, U. Egertsdotter, J. Mackay, R. Sederoff, J. Shen, L. Zelena & D.H. Clapham. 2002. Heterologous array analysis in Pinaceae: hybridization of Pinus taeda cDNA arrays with cDNA from needles and embryogenic cultures of P. taeda, P. sylvestris or Picea abies. Comparative and Functional Genomics 3:306-318.


Dimmel, D.R., J. Mackay, E.M. Althen, C. Parks & R. Sederoff. 2001. Pulping and bleaching of CAD-deficient wood. Journal of Wood Chemistry and Technology 21:1-17.

Mackay, J., D.R. Dimmel & J.J. Boon. 2001. Pyrolysis mass spectral characterization of wood from CAD-deficient pine. Journal of Wood Chemistry and Technology 21:19-29.

Ralph, J., C. Lapierre, J.M. Marita, H. Kim, F. Lu, R.D. Hatfield, S.A. Ralph, C. Chapple, R. Franke, M.R. Hemm, J. van Doorsselaere, R. Sederoff, D.M. O’Malley, J.T. Scott, J. Mackay, N. Yahiaoui, A.-M. Boudet, M. Pean, G. Pilate, L. Jouanin & W. Boerjan. 2001. Elucidation of new structures in lignins of CAD- and COMT-deficient plants by NMR. Phytochemistry 57:993-1003.


Cairney, J., N. Xu, J. Mackay & G.S. Pullman. 2000. Transcript profiling: a tool to assess the development of conifer embryos. In Vitro Cellular & Developmental Biology 36:155-162.

Lapierre, C., B. Pollet, J. Mackay & R. Sederoff. 2000. Lignin structure in a mutant pine deficient in Cinnamyl Alcohol Dehydrogenase. Journal of Agricultural and Food Chemistry 48:2326-2331.


Mackay, J., T. Presnell, H. Jameel, H. Taneda, D.M. O’Malley & R. Sederoff. 1999. Modified lignin and delignification with a CAD-deficient loblolly pine. Holzforschung 53:403-410.

Sederoff, R., J. Mackay, J. Ralph & R.D. Hatfield. 1999. Unexpected variation in lignin. Current Opinion in Plant Biology 2:145-152.

Wu, R.L., D.L. Remington, J. Mackay, S.E. McKeand & D.M. O’Malley. 1999. Average effect of a mutation in lignin biosynthesis in loblolly pine. Theoretical and Applied Genetics 99:705-710.


Stoop, J.M.H., J.D. Williamson, M.A. Conkling, J. Mackay & D.M. Pharr. 1998. Characterization of NAD-dependent mannitol dehydrogenase from celery as affected by ions, chelators, reducing agents and metabolites. Plant Science 131:43-51.

Whetten, R.W., J. Mackay & R. Sederoff. 1998. Recent advances in understanding lignin biosynthesis. Annual Review of Plant Physiology and Plant Molecular Biology 49:585-609.


Mackay, J., D.M. O’Malley, T. Presnell, F.L. Booker, M.M. Campbell, R.W. Whetten & R. Sederoff. 1997. Inheritance, gene expression, and lignin characterization in a mutant pine deficient in cinnamyl alcohol dehydrogenase. Proceedings of the National Academy of Sciences of USA 94:8255-8260.

Ralph, J., J. Mackay, R.D. Hatfield, D.M. O’Malley, R.W. Whetten & R. Sederoff
Abnormal lignin in a loblolly pine mutant. Science 277:235-239.


MacKay, J.J., W. Liu, R.W. Whetten, R. Sederoff & D.M. O’Malley. 1995. Genetic analysis of cinnamyl alcohol dehydrogenase in loblolly pine: single gene inheritance, molecular characterization and evolution. Molecular and General Genetics 247:537-545.


Mackay, J. 1993. Seed source selection and genetic improvement of red oak (Quercus rubra L.) in Québec. Annals of Forest Science 50:420s-424s.


Li, P., J. MacKay & J. Bousquet. 1992. Genetic diversity in Canadian hardwoods: implications for conservation. The Forestry Chronicle 68:709-719.

Roy, A., N. Frascaria, J. Mackay & J. Bousquet. 1992. Segregating random amplified polymorphic DNAs (RAPDs) in Betula alleghaniensis. Theoretical and Applied Genetics 85:173-180.