[ANDORF, S., J. SELBIG, T. ALTMANN, K. POOS, H. WITUCKAWALL and D. REPSILBER (2010): Enriched partial correlations in genome-wide gene expression profiles of hybrids (A. thaliana): a systems biological approach towards the molecular basis of heterosis. Theor Appl Genet 120 (2): 249-259.]Search in Google Scholar
[AINSWORTH, E. A. and D. R. BUSH (2011): Carbohydrate export from the leaf: a highly regulated process and target to enhance photosynthesis and productivity. Plant Physiol 155: 64-69.10.1104/pp.110.167684307578720971857]Search in Google Scholar
[ANDERSSON-GUNNERAS, S., E. J. MELLEROWICZ, J. LOVE, B. SEGERMAN, Y. OHMIYA, P. M. COUTINHO, P. NILSSON, B. HENRISSAT, T. MORITZ and B. SUNDBERG (2006): Biosynthesis of cellulose-enriched tension wood in Populus: global analysis of transcripts and metabolites identifies biochemical and developmental regulators in secondary wall biosynthesis. Plant J 45: 144-165.10.1111/j.1365-313X.2005.02584.x16367961]Search in Google Scholar
[AYRE, B. G. (2011): Membrane-Transport Systems for Sucrose in Relation to Whole-Plant Carbon Partitioning. Mol Plant. doi: 10.1093/mp/ssr014.]Search in Google Scholar
[BANCOS, S., T. NOMURA, T. SATO, G. MOLNAR, G. J. BISHOP, C. KONCZ, T. YOKOTA, F. NAGY and M. SZEKERES (2002): Regulation of transcript levels of the Arabidopsis cytochrome p450 genes involved in brassinosteroid biosynthesis. Plant Physiol 130: 504-513.10.1104/pp.00543916658212226529]Search in Google Scholar
[BAO, F., J. SHEN, S. R. BRADY, G. K. MUDAY, T. ASAMI and Z. YANG (2004): Brassinosteroids interact with auxin to promote lateral root development in Arabidopsis. Plant Physiol 134: 1624-1631.10.1104/pp.103.03689741983615047895]Search in Google Scholar
[BLANC, G. and K. H. WOLFE (2004): Widespread paleopolyploidy in model plant species inferred from age distributions of duplicate genes. Plant Cell 16: 1667-1678.10.1105/tpc.02134551415215208399]Search in Google Scholar
[BRADSHAW, H. D. and R. F. STETTLER (1993): Molecular genetics of growth and development in Populus. I. Triploidy in hybrid poplars. TAG Theoretical and Applied Genetics 86: 301-307.10.1007/BF0022209224193473]Search in Google Scholar
[CHEN, Z. J. (2010): Molecular mechanisms of polyploidy and hybrid vigor. Trends Plant Sci 15: 57-71.10.1016/j.tplants.2009.12.003282198520080432]Search in Google Scholar
[CUI, L., P. K. WALL, J. H. LEEBENS-MACK, B. G. LINDSAY, D. E. SOLTIS, J. J. DOYLE, P. S. SOLTIS, J. E. CARLSON, K. ARUMUGANATHAN, A. BARAKAT, V. A. ALBERT, H. MA, and C. W. DEPAMPHILIS (2006): Widespread genome duplications throughout the history of flowering plants. Genome Res 16: 738-749.10.1101/gr.4825606147985916702410]Search in Google Scholar
[DE GRAUWE, L., F. VANDENBUSSCHE, O. TIETZ, K. PALME, and D. VAN DER STRAETEN (2005): Auxin, ethylene and brassinosteroids: tripartite control of growth in the Arabidopsis hypocotyl. Plant Cell Physiol 46: 827-836.10.1093/pcp/pci11115851402]Search in Google Scholar
[DU, Z., X. ZHOU, Y. LING, Z. ZHANG and Z. SU (2010): agriGO: a GO analysis toolkit for the agricultural community. Nucleic Acids Res 38: W64-70.10.1093/nar/gkq310289616720435677]Search in Google Scholar
[DUNN, M. F., D. NIKS, H. NGO, T. R. BARENDS, and I. SCHLICHTING (2008): Tryptophan synthase: the workings of a channeling nanomachine. Trends Biochem Sci 33: 254-264.10.1016/j.tibs.2008.04.00818486479]Search in Google Scholar
[FLAGEL, L., J. UDALL, D. NETTLETON and J. WENDEL (2008): Duplicate gene expression in allopolyploid Gossypium reveals two temporally distinct phases of expression evolution. BMC Biol 6: 16.10.1186/1741-7007-6-16233014118416842]Search in Google Scholar
[HALLIDAY, K. J. (2004): Plant hormones: the interplay of brassinosteroids and auxin. Curr Biol 14: R1008-1010.10.1016/j.cub.2004.11.02515589137]Search in Google Scholar
[HANCOCK, J. E., W. M. LOYA, C. P. GIARDINA, L. LI, V. L. CHIANG and K. S. PREGITZER (2007): Plant growth, biomass partitioning and soil carbon formation in response to altered lignin biosynthesis in Populus tremuloides. New Phytol 173: 732-742.10.1111/j.1469-8137.2006.01965.x17286822]Search in Google Scholar
[HEGARTY, M. J., G. L. BARKER, I. D. WILSON, R. J. ABBOTT, K. J. EDWARDS and S. J. HISCOCK (2006): Transcriptome shock after interspecific hybridization in senecio is ameliorated by genome duplication. Curr Biol 16 (16): 1652-1659.10.1016/j.cub.2006.06.07116920628]Search in Google Scholar
[HUANG, W., B. T. SHERMAN and R. A. LEMPICKI (2009): Bioinformatics enrichment tools: paths toward the comprehensive functional analysis of large gene lists. Nucleic Acids Res 37: 1-13.10.1093/nar/gkn923261562919033363]Search in Google Scholar
[HUNTLEY, S. K., D. ELLIS, M. GILBERT, C. CHAPPLE and S. D. MANSFIELD (2003): Significant increases in pulping efficiency in C4H-F5H-transformed poplars: improved chemical savings and reduced environmental toxins. J Agric Food Chem 51: 6178-6183. 10.1021/jf034320o14518941]Search in Google Scholar
[JACKSON, S. and Z. J. CHEN (2010): Genomic and expression plasticity of polyploidy. Curr Opin Plant Biol 13: 153-159.10.1016/j.pbi.2009.11.004288057120031477]Search in Google Scholar
[KIEFER, E., W. HELLER and D. ERNST (2000): A simple and efficient protocol for isolation of functional RNA from plant tissues rich in secondary metabolites. Plant Mol Bio Rep 18: 33-39.10.1007/BF02825291]Search in Google Scholar
[KOHLER, C., O. MITTELSTEN SCHEID and A. ERILOVA (2010): The impact of the triploid block on the origin and evolution of polyploid plants. Trends Genet 26: 142-148.10.1016/j.tig.2009.12.00620089326]Search in Google Scholar
[LI, L., J. XU, Z. H. XU and H. W. Xue (2005): Brassinosteroids stimulate plant tropisms through modulation of polar auxin transport in Brassica and Arabidopsis. Plant Cell 17: 2738-2753.10.1105/tpc.105.034397124226916141452]Search in Google Scholar
[LI, Y. H., X. Y. KANG, S. D. WANG, Z. H. ZHANG and H. W. CHEN (2008): Triploid Induction in Populus alba x P. glandulosa by Chromosome Doubling of Female Gametes. Silvae Genetica 57: 37-40.10.1515/sg-2008-0006]Search in Google Scholar
[LIESCHE, J., U. KRUGEL, H. HE, I. CHINCINSKA, A. HACKEL and C. KUHN (2011): Sucrose transporter regulation at the transcriptional, post-transcriptional and post-translational level. J Plant Physiol 168 (12): 1426-33.10.1016/j.jplph.2011.02.00521444123]Search in Google Scholar
[LLOYD, J. R., J. KOSSMANN and G. RITTE (2005.): Leaf starch degradation comes out of the shadows. Trends Plant Sci 10: 130-137.10.1016/j.tplants.2005.01.00115749471]Search in Google Scholar
[MASTERSON, J. (1994): Stomatal size in fossil plants: evidence for polyploidy in majority of angiosperms. Science 264: 421-424.10.1126/science.264.5157.42117836906]Search in Google Scholar
[MCCASKILL, A. and R. TURGEON (2007): Phloem loading in Verbascum phoeniceum L. depends on the synthesis of raffinose-family oligosaccharides. Proc Natl Acad Sci USA 104: 19619-19624.10.1073/pnas.0707368104214833818048337]Search in Google Scholar
[MURPHY, A. S., K. R. HOOGNER, W. A. PEER and L. TAIZ (2002): Identification, purification, and molecular cloning of N-1-naphthylphthalmic acid-binding plasma membrane-associated aminopeptidases from Arabidopsis. Plant Physiol 128: 935-950.10.1104/pp.01051915220611891249]Search in Google Scholar
[PAULEY, S. (1949): Forest-tree genetics research: Populus L. Econ Bot 3: 299-330.10.1007/BF02859100]Search in Google Scholar
[PUMPHREY, M., J. BAI, D. LAUDENCIA-CHINGCUANCO, O. ANDERSON and B. S. GILL (2009): Nonadditive expression of homoeologous genes is established upon polyploidization in hexaploid wheat. Genetics 181 (3): 1147-1157.10.1534/genetics.108.096941265104919104075]Search in Google Scholar
[RIDDLE, N. C. and J. A. BIRCHLER (2003): Effects of reunited diverged regulatory hierarchies in allopolyploids and species hybrids. Trends Genet 19 (11): 597-600.10.1016/j.tig.2003.09.00514585608]Search in Google Scholar
[RIESEBERG, L. H. and J. H. WILLIS (2007): Plant speciation. Science 317: 910-914.10.1126/science.1137729244292017702935]Search in Google Scholar
[SCHRICK, K., S. FUJIOKA, S. TAKATSUTO, Y. D. STIERHOF, H. STRANSKY, S. YOSHIDA and G. JURGENS (2004): A link between sterol biosynthesis, the cell wall, and cellulose in Arabidopsis. Plant J 38: 227-243.10.1111/j.1365-313X.2004.02039.x15078327]Search in Google Scholar
[SMITH, A. M., S. C. ZEEMAN and S. M. SMITH (2005): Starch degradation. Annu Rev Plant Biol 56: 73-98.10.1146/annurev.arplant.56.032604.14425715862090]Search in Google Scholar
[TURGEON, R. and E. GOWAN (1990): Phloem Loading in Coleus blumei in the Absence of Carrier-Mediated Uptake of Export Sugar from the Apoplast. Plant Physiol 94: 1244-1249.10.1104/pp.94.3.1244107736916667824]Search in Google Scholar
[TURGEON, R. and D. U. BEEBE (1991): The Evidence for Symplastic Phloem Loading. Plant Physiol 96: 349-354. 10.1104/pp.96.2.349108077616668192]Search in Google Scholar
[van BUIJTENEN, J. P, P. N. JORANSON and E. DW. (1958): Diploid versus triploid aspen as pulpwood sources with reference to growth, chemical, physical, and pulping differences. TAPPI 41: 170-175.]Search in Google Scholar
[VOELKER, S. L., B. LACHENBRUCH, F. C. MEINZER and S. H. STRAUSS (2011a): Reduced wood stiffness and strength, and altered stem form, in young antisense 4CL transgenic poplars with reduced lignin contents. New Phytol 189: 1096-1109.10.1111/j.1469-8137.2010.03572.x21158867]Search in Google Scholar
[VOELKER, S. L., B. LACHENBRUCH, F. C. MEINZER, P. KITIN and S. H. STRAUSS (2011b): Transgenic poplars with reduced lignin show impaired xylem conductivity, growth efficiency and survival. Plant Cell Environ 34: 655-668.10.1111/j.1365-3040.2010.02270.x21309794]Search in Google Scholar
[WANG, J., L. TIAN, H. S. LEE, N. E. WEI, H. JIANG, B. WATSON, A. MADLUNG, T. C. OSBORN, R. W. DOERGE, L. COMAI and Z. J. CHEN (2006): Genomewide nonadditive gene regulation in Arabidopsis allotetraploids. Genetics 172: 507-517.10.1534/genetics.105.047894145617816172500]Search in Google Scholar
[WEI, T., A. NELSON and E. JOHNSON (2005): Increasing cellulose production and transgenic plant growth in forest tree species. J Forest Res 16: 67-72-72.10.1007/BF02856860]Search in Google Scholar
[WU, C. Y., A. TRIEU, P. RADHAKRISHNAN, S. F. KWOK, S. HARRIS, K. ZHANG, J. WANG, J. WAN, H. ZHAI, S. TAKATSUTO, S. MATSUMOTO, S. FUJIOKA, K. A. FELDMANN and R. I. PENNELL (2008): Brassinosteroids regulate grain filling in rice. Plant Cell 20: 2130-2145.10.1105/tpc.107.055087255360218708477]Search in Google Scholar
[WU, R. L. (2000): Quantitative genetic variation of leaf size and shape in a mixed diploid and triploid population of Populus. Genet Res 75: 215-222.10.1017/S001667239900427910816978]Search in Google Scholar
[XIA, X.-J., L.-F. HUANG, Y.-H. ZHOU, W.-H. MAO, K. SHI, J.-X. WU, T. ASAMI, Z. CHEN and J.-Q. YU (2009): Brassinosteroids promote photosynthesis and growth by enhancing activation of Rubisco and expression of pho- tosynthetic genes in Cucumis sativus Planta 230: 1185-1196-1196.10.1007/s00425-009-1016-119760261]Search in Google Scholar
[YAMAUCHI, A., A. HOSOKAWA, H. NAGATA and M. SHIMODA (2004): Triploid bridge and role of parthenogenesis in the evolution of autopolyploidy. Am Nat 164: 101-112.10.1086/42135615266374]Search in Google Scholar
[ZHANG, Q., Z. Y. ZHANG, S. Z. LIN and Y. Z. LIN (2005): Resistance of transgenic hybrid triplolds in Populus tomentosa Carr. against 3 species of lepidopterans following two winter dormancies conferred by high level expression of cowpea trypsin inhibitor gene. Silvae Genetica 54: 108-116.10.1515/sg-2005-0017]Search in Google Scholar
[ZHANG, Q., Z. Y. ZHANG, S. Z. LIN, H. Q. ZHENG, Y. Z. LIN, X. M. AN, Y. LI and H. X. LI (2008): Characterization of resistance gene analogs with a nucleotide binding site isolated from a triploid white poplar. Plant Biol (Stuttg) 10: 310-322.10.1111/j.1438-8677.2008.00029.x18426478]Search in Google Scholar
[ZHENG, H., S. LIN, Q. ZHANG, Y. LEI and Z. ZHANG (2009): Functional analysis of 5’ untranslated region of a TIRNBS- encoding gene from triploid white poplar. Mol Genet Genomics 282: 381-394.10.1007/s00438-009-0471-519618215]Search in Google Scholar