Reproductive modification in forest plantations: impacts on biodiversity and society. New Phytologist. 213:1000-1021.. 2017.
Containment of transgenic trees by suppression of LEAFY. Nature Biotechnology. 34:918–922.. 2016.
Ending Event-Based Regulation of GMO Crops. Nature Biotechnology. 34(5):474-477.. 2016.
Improved growth and weed control of glyphosate-tolerant poplars. New Forests. :1–15.. 2016.
Lessons from Two Decades of Field Trials with Genetically Modified Trees in the USA: Biology and Regulatory Compliance. Biosafety of Forest Transgenic Trees, edited by Cristina Vettori, Fernando Gallardo, Hely Häggman, Vassiliki Kazana, Fabio Migliacci, Gilles Pilate, and Matthias Fladung. 82 of the series Forestry Sciences:101–124.. 2016.
Low frequency of zinc-finger nuclease-induced mutagenesis in Populus. Molecular Breeding. 36(9):1-13.. 2016.
Transgenic suppression of AGAMOUS genes in apple reduces fertility and increases floral attractiveness. PLOS One. 11(8):e0159421.. 2016.
Biotech and Forest Health: Creating a Path for Pragmatism. The Forestry Source. 20(11). 2015.
Down-regulation of gibberellic acid in poplar has negligible effects on host-plant suitability and insect pest response. Arthropod-Plant Interactions.. 2015.
Extensive Transcriptome Changes During Natural Onset and Release of Vegetative Bud Dormancy in Populus. Front. Plant Sci... 2015.
The floral transcriptome of Eucalyptus grandis. New Phytologist. 206:1406–1422.. 2015.
FT overexpression induces precocious flowering and normal reproductive development in Eucalyptus. Plant Biotechnol. J.. 2015.
Genetically engineered trees: Paralysis from good intentions. Science. 349(6250):794-795.. 2015.
Plant scientists celebrate new woody plant genome. New Phytologist. 206:1185–1187.. 2015.
Recombinant DNA modification of gibberellin metabolism alters growth rate and biomass allocation in Populus. Tree Genetics & Genomics. 11(127). 2015.
EARLY BUD-BREAK 1 (EBB1) is a regulator of release from seasonal dormancy in poplar trees. Proceedings of the National Academy of Sciences. 111(27):10001–10006.. 2014.
Genetic Transformation of Eucalyptus-Challenges and Future Prospects. Tree Biotechnology, CRC Press, FL. :p392-445.. 2014.
The genome of Eucalyptus grandis. Nature. 510:356-362.. 2014.
A tapetal ablation transgene induces stable male sterility and slows field growth in Populus. Tree Genetics & Genomes. 10:1583–1593.. 2014.
Bt-Cry3Aa transgene expression reduces insect damage and improves growth in field-grown hybrid poplar. Canadian Journal of Forest Research. 44:28-35.. 2013.
DR5 as a reporter system to study auxin response in Populus. Plant Cell Rep. 32:453-463.. 2013.
Epigenetic regulation of adaptive responses of forest tree species to the environment. Ecology and Evolution. 3(2):366-415.. 2013.
Green Revolution Plantations: Could Short Trees Be a Big Thing? ISB News Report. May 2013:7-9.. 2013.
Methylome reorganization during in vitro dedifferentiation and regeneration of Populus trichocarpa. BMC Plant Biology. 13(92). 2013.
Poplars with a PtDDM1-RNAi transgene have reduced DNA methylation and show aberrant post-dormancy morphology. Planta. 237(6):1483-1493.. 2013.
Bioplastic Production by Transgenic Poplar. Information Systems for Biotechnology. January:7-10.. 2012.
Contrasting patterns of evolution following whole genome versus tandem duplication events in Populus. Genome Research. 22:95–105.. 2012.
Dynamic DNA cytosine methylation in the Populus trichocarpa genome: tissue-level variation and relationship to gene expression. BMC Genomics. 13:27. 2012.
Gene flow and simulation of transgene dispersal from hybrid poplar plantations. New Phytologist. 193(4):903-915.. 2012.
Genetic Methods for Mitigating Invasiveness of Woody Ornamental Plants: Research Needs and Opportunities. HortScience. 47(9):1210-1216.. 2012.
Genome resequencing reveals multiscale geographic structure and extensive linkage disequilibrium in the forest tree Populus trichocarpa. New Phytologist. 196:713-725.. 2012.
Global regulatory burden for field testing of genetically modified trees. Tree Genetics & Genomes. 8(2):221-226.. 2012.
Green revolution trees: Semi-dwarfism transgenes modify gibberellins, promote root growth, enhance morphological diversity, and reduce competitiveness in Populus. Plant Physiology. 160:1130–1144.. 2012.
PHOTOPERIOD RESPONSE 1 (PHOR1)-like Genes Regulate Shoot/root Growth, Starch Accumulation, and Wood Formation in Populus. J. Exp. Botany. 63(15):5623-5634.. 2012.
Production of traditional and novel biopolymers in transgenic woody plants. Rec. Adv. Phytochem. 42:59-78.. 2012.
Whole genome sequencing (WGS) meets biogeography and shows that genomic selection in forest trees is feasible. New Phytologist. 196:652-654.. 2012.
FLOWERING LOCUS T duplication coordinates reproductive and vegetative growth in perennial poplar. PNAS. 108(26):10756-10761.. 2011.
Gene Flow Control in Forest Trees: Approaches and Progress. The Science of Gene Flow in Agriculture and its Role in Co-Existence. :Pp.80-83.. 2011.
Reduced wood stiffness and strength, and altered stem form, in young antisense 4CL transgenic poplars with reduced lignin contents. New Phytologist. 189(4):1096-1109.. 2011.
Regulation of Flowering Time in Poplar. Genetics, Genomics, and Breeding of Poplar, C.P. Joshi, S. DiFazio, and C. Kole (eds.). :pp.272-303.. 2011.
Repression of gibberellin biosynthesis or signaling produces striking alterations in poplar growth, morphology, and flowering. Planta. 234:1285–1298.. 2011.
SHORT INTERNODES-like genes regulate shoot growth and xylem proliferation in Populus. New Phytologist. 191:678–691.. 2011.
Tissue-specific expression of Populus C19 GA 2-oxidases differentially regulate above- and below-ground biomass growth through control of bioactive GA concentrations. New Phytologist. 192(3):626-639.. 2011.
Tradeoffs between biomass growth and inducible biosynthesis of polyhydroxybutyrate in transgenic poplar. Plant Biotech. J. 9(7):759-767.. 2011.
Transgenic poplars with reduced lignin show impaired xylem conductivity, growth efficiency and survival. Plant, Cell & Environment. 34(4):655-668.. 2011.
Why are regulatory requirements a major impediment to genetic engineering of horticultural crops? In B. Mou and R. Scorza (eds) Transgenic Horticulutural Crops: Challenges and Opportunities. :pp.249-261.. 2011.
Activation tagging is an effective gene tagging system in Populus. Tree Genetics & Genomes. 7(1):91-101.. 2010.
Antisense down-regulation of 4CL expression alters lignification, tree growth and saccharification potential of field-grown poplar. Plant Physiology. 154:874-886.. 2010.
Branch Science. Portland Monthly. January 2010. 2010.
Cohort-structured tree populations. Heredity. 105:331-332.. 2010.
Conservation and divergence of methylation patterning in plants and animals. Proc. Natl. Acad. Sci. USA. 107:8689-8694.. 2010.
Extraction Analysis of Poly-ß-Hydroxybutyrate (PHB) from hybrid poplar leaves. ASABE Paper No. 1009380.. 2010.
Far-reaching deleterious impacts of regulations on research and environmental studies of recombinant DNA-modified perennial biofuel crops in the United States. BioScience. 60(9):729-741.. 2010.
Genetic containment of forest plantations. In: Forests and Genetically Modified Trees. :Pp.35-76.. 2010.
Genome-wide transcriptome analysis of the transition from primary to secondary stem development in Populus trichocarpa. BMC Genomics. 11:150.. 2010.
Gibberellin-associated cisgenes modify growth, stature, and wood properties in Populus. Plant Biotechnol. J. :1-17.. 2010.
Gibberellins regulate lateral root formation in Populus through interactions with auxin and other hormones. Plant Cell. 22:623-639.. 2010.
Modifying plant growth the cisgenic way. Information Systems for Biotechnology News Report. September 2010:1-4.. 2010.
Poplar as a tree model for horticulture and beyond: A case study of genome-scale changes in gene expression during bud entry and release from dormancy. Acta Hort. (ISHS). 859:43-47.. 2010.
Population substructure in continuous and fragmented stands of Populus trichocarpa. Heredity. 105:348-357.. 2010.
Populus CEN/TFL1 regulates first onset of flowering, axillary meristem identity and dormancy release in Populus. The Plant Journal. 62:674-688.. 2010.
Precocious flowering in trees: the FLOWERING LOCUS T gene as a research and breeding tool in Populus. Journal of Experimental Botany. 61:2549–2560.. 2010.
Transformation as a tool for genetic analysis in Populus. in: Genetics and Genomics of Populus, S. Jansson et al. eds. :p.113-133.. 2010.
Tyloses and phenolic deposits in xylem vessels impede water transport in low-lignin transgenic poplars: a study by cryo-fluorescence microscopy. Plant Physiology. 154:887-898.. 2010.
Why and how Populus became a "Model Tree". In S. Jansson, R.P. Bhalerao and A.T. Groover (eds) Genetics and Genomics of Populus. :pp.3-14.. 2010.
Extensive pollen flow in two ecologically contrasting populations of Populus trichocarpa. Molecular Ecology. 18(2):357-373.. 2009.
Forest scientist views of regulatory obstacles to research and development of transgenic forest biotechnology. Journal of Forestry. 107:350-357.. 2009.
Genome scale transcriptome analysis of shoot organogenesis in Populus. BMC Plant Biology. 9:132.. 2009.
A review on transgenic approaches to accelerate breeding of woody plants. Plant Breeding. 128:217-226.. 2009.
Stability of transgenes in trees: expression of two reporter genes in poplar over three field seasons. Tree Physiology. 29:299-312.. 2009.
Strangled at birth? Forest biotech and the Convention on Biological Diversity Nature Biotechnology. 27:519-527.. 2009.
Towards physiological sculpture of plants. New Phytologist. 181:8-12.. 2009.
WUS and STM-based reporter genes for studying meristem development in poplar. Plant Cell Rep. 28:947–962.. 2009.
Efficient and stable transgene suppression via RNAi in field-grown poplars. Transgenic Research. 17:679-694.. 2008.
Genes for control of plant stature and form. New Phytologist. 177(3):589-607.. 2008.
Genome Scale Transcriptome Analysis and Development of Reporter Systems for Studying Shoot Organogenesis in Poplar. Forest Science. Master of Science in Genetics. 2008.
Matrix attachment region elements have small and variable effects on transgene expression and stability in field-grown Populus. Plant Biotechnology Journal. 6:887-896.. 2008.
Stability of herbicide resistance over 8 years of coppice in field-grown, genetically engineered poplars. Western Journal of Applied Forestry. 23(2):89-93.. 2008.
Dwarfism genes for modifying the stature of woody plants: A case study in poplar. Landscape Plant News. 18:3-6.. 2007.
Efficiency of gene silencing in Arabidopsis: Direct inverted repeats versus transitive RNAi vectors. Plant Biotechnology. 5:615-626.. 2007.
Enhanced phytoremediation of volatile environmental pollutants with transgenic trees. Proceedings of the National Academy of Sciences USA. 104:16816-16821.. 2007.
Field trial detects incomplete barstar attenuation of vegetative cytotoxicity in Populus trees containing a poplar LEAFY promoter:: barnase sterility transgene. Molecular Breeding. 19:69-85.. 2007.
Genetic containment of forest plantations. Tree Genetics & Genomes. 3:75-100.. 2007.
Alcohol-inducible gene expression in transgenic Populus. Plant Cell Reports. 25:660-667.. 2006.
The conserved CO/FT regulatory module controls timing of flowering and seasonal growth cessation in trees. Science . 312:1040-1043.. 2006.
Divide and conquer: development and cell cycle genes in plant transformation. Trends Biotechnology. 24:267-273.. 2006.
Enhancer trapping in woody plants: Isolation of the ET304 gene encoding a putative AT-hook motif transcription factor and characterization of the expression patterns conferred by its promoter in transgenic Populus and Arabidopsis. Plant Science. 17:206-216.. 2006.
Expression and Function of Populus Homologs to TERMINAL FLOWER 1 Genes: Roles in Onset of Flowering and Shoot Phenology. Forest Science. Ph.D.. 2006.
Poplar (Populus spp.). in: Methods in Molecular Biology, vol. 344: Agrobacterium Protocols, 2nd edition... 2006.
Stability of Reporter Gene Expression and RNAi in Transgenic Poplars over Multiple Years in the Field under Vegetative Propagation. Forest Science. Ph.D.. 2006.
Genetic transformation: a powerful tool for dissection of adaptive traits in trees. New Phytologist. 167:9-18.. 2005.
Insertional mutagenesis in Populus: Relevance and feasibility. Tree Genet. & Genomes. 1:135-142.. 2005.
Lost in the woods. Nature Biotechnology. 23:532-533.. 2005.
Regulating transgenic crops sensibly: lessons from plant breeding, biotechnology, and genomics. Nature Biotechnology. 23(4):439-444.. 2005.
Regulatory regimes for transgenic crops. Nature Biotechnology. 23:787-789.. 2005.
Agrobacterium-mediated transformation of the genome-sequenced poplar clone, Nisqually-1 (Populus trichocarpa). Plant Molecular Biology Reporter . 22:1-9.. 2004.
An early-flowering genotype of Populus. Plant Biology. 47:52-56.. 2004.
Forest biotechnology - thriving despite controversy. New Phytologist. 163:9-11.. 2004.
GE Trees: The buzz is not from chainsaws. TimberWest. :50.. 2004.
Gene and enhancer trap tagging of vascular-expressed genes in poplar. Plant Physiology. 134:1742-1751.. 2004.
Gene flow from tree plantations and implications for transgenic risk assessment. In C. Walter and M. Carson (eds.) Plantation Forest Biotechnology for the 21st Century. :405-422.. 2004.
Gene flow in forest trees: gene migration patterns and landscape modelling of transgene dispersal in hybrid poplar. In H.C.M. den Nijs, D. Bartsch, and J. Sweet (Eds.), Introgression from genetically modified plants into wild relatives. :Pp89-106.. 2004.
Hybrids abounding: Dangerous liasons? When cultivated plants mate with their wild relatives. A book review Nature Biotechnology. 22:29-30.. 2004.
Maintenance of Normal Vegetative Growth via Attenuation of Barnase as an Agent of Floral Tissue Ablation in Populus. Forest Science. Master of Science in Genetics. 2004.
Poplar genome sequence: functional genomics in an ecologically dominant plant species. Trends in Plant Science. 9:49-56.. 2004.
Poplar genomics comes of age. New Phytologist. 164:1-4.. 2004.
A populus EST resource for plant functional genomics. American Society of Plant Biologists Newsletter. 38(101):13951-13956.. 2004.
Revisiting tree maturation and floral initiation in the poplar functional genomics era. New Phytolologist. 164:43-51.. 2004.
Ten lessons from 15 years of transgenic Populus research. Forestry. 77(5):455-465.. 2004.
A transcriptional timetable of autumn scenescence. Genome Biology. 5:R24.1-R24.13.. 2004.
Tree biotechnology in the 21st century: Transforming trees in the light of comparative genomics. In S.H. Strauss and H.D. Bradshaw (Eds.), The BioEngineered Forest: Challenges to Science and Society. :Pp76-97.. 2004.
Validating internal controls for quantitative plant gene expression studies. BMC Plant Biolog. 4. 2004.
Activation tagging of a dominant gibberellin catabolism gene (GA 2-oxidase) from poplar that regulates tree stature. Plant Physiology. 132:1283-1291.. 2003.
Controlling maturation and flowering for forest tree domestication. In Stewart, C.N. (Eds.), Transgenic Plants: Current Innovations and Future Trends. :Pp9-44.. 2003.
Forestry's Fertile Crescent: The application of biotechnology to forest trees. Plant Biotechnology. 1:141-154.. 2003.
Genomics, genetic engineering, and domestication of crops. Science. 300:61-62.. 2003.
Highly variable SSR markers in Douglas Fir: Mendelian inheritance and map locations. Theoretical and Applied Genetics. 108:873-880.. 2003.
Moving the debate on genetically engineered crops forward. American Society of Plant Biologists Newsletter. May/June(30(3)). 2003.
The Populus PTD promoter imparts floral-predominant expression and enables high levels of organ ablation in Populus, Nicotiana and Arabidopsis. Molecular Breeding . 12:119-132.. 2003.
Regulation of biotechnology as though gene function mattered. BioScience. 53:453-454.. 2003.
Response: Democratization is more than higher prices. Science. 301:167.. 2003.
Risks of genetically engineered crops. Science. 301:1846-1847.. 2003.
A short route to gene discovery in trees: Control of stature through gibberellin catabolism. Information Systems for Biotechnology News Report. :4-7.. 2003.
UK field trial evaluations answer the wrong questions. Nature Biotechnology. 21:1429-1430.. 2003.
The case for genetic engineering of native and landscape trees against introduced pests and diseases. Conservation Biology. 16(4):874–879.. 2002.
The CP4 transgene provides high levels of tolerance to Roundup® herbicide in field-grown hybrid poplars. Canadian Journal of Forest Research. 32:967-976.. 2002.
Gene flow in forest trees: From empirical estimates to transgenic risk assessment. Scientific Methods Workshop: Ecological and Agronomic Consequences of Gene Flow from Transgenic Crops to Wild Relatives.. 2002.
Measuring and modeling gene flow from hybrid poplar plantations: Implications for transgenic risk assessment. Forest Science. Ph.D.. 2002.
Open communication on genetic engineering. Journal of Forestry . 100(5):48.. 2002.
Bacterio-opsin gene overexpression fails to elevate fungal disease resistance in transgenic poplar (Populus). Canadian Journal of Forest Research. 31:268-275.. 2001.
Breeding strategies for the 21st century: domestication of poplar. In D.I. Dickmann, J.GT. Isebrands, J.E. Eckenwalder, and J. Richardson (Eds.), Poplar Culture in North America.. 2001.
Certification of genetically modified forest plantations. International Forestry Review . 3(2):85-102.. 2001.
Genetically modified poplars in context. The Forestry Chronicle. 77(2):271-279.. 2001.
Plantation certification and genetic engineering: FSCs ban on research is counterproductive. Journal of Forestry. 99(12):4-7.. 2001.
Plotting a course for GM forestry. Nature Biotechnology. 19:1104.. 2001.
An Agrobacterium transformation protocol effective in a variety of cottonwood hybrids (genus Populus). Plant Cell Report. 19:315-320.. 2000.
A DEFICIENS homolog from the dioecious tree Populus trichocarpa is expressed in both female and male floral meristems of its two-whorled, unisexual flowers. Plant Physiology. 124:627-639.. 2000.
Development of glyphosate-tolerant hybrid cottonwoods. Tappi Journal. 83(1):164-166.. 2000.
Diverse effects of overexpression of LEAFY and PTLF, a poplar (Populus) homolog of LEAFY/FLORICAULA, in transgenic poplar and Arabidopsis. Plant Journal. 22:235-246.. 2000.
Ethics and genetically engineered plantations. Journal of Forestry. 98(7):47-48.. 2000.
High levels of Roundup® and leaf-beetle resistance in genetically engineered hybrid cottonwoods. In K.A. Blatner, J.D. Johnson, and D.M. Baumgartner (Eds.), Hybrid Poplars in the Pacific Northwest: Culture, Commerce and Capability. :Pp29-38.. 2000.
Options for genetic engineering of floral sterility in forest trees. In S.M. Jain & S.C. Minocha (Eds.), Molecular Biology of Woody Plants. :Pp135-153.. 2000.
Research ethics for molecular silviculture. In S.M. Jain & S.C. Minocha (Eds.), Molecular Biology of Woody Plants. :Pp585-611.. 2000.
Structure and expression of duplicate AGAMOUS orthologs in poplar. Plant Molecular Biology. 44(5):619-634.. 2000.
Forest biotechnology makes its position known. Nature Biotechnology. 17:1145.. 1999.
Nuclear DNA diversity, population differentiation, and phylogenetic relationships in the California Closed-Cone Pines based on RAPD and allozyme markers. Genome . 42:893-908.. 1999.
Simulation of effects of dominance on estimates of population genetic diversity and differentiation. Journal of Heredity. 90:499-502.. 1999.
Abundant mitochondrial genome diversity, population differentiation, and convergent phenotypic evolution in pines. Genetics. 150:1605-1614.. 1998.
Environmental effects of genetically engineered woody biomass crops. Biomass & Bioenergy. 14:403-414.. 1998.
Eucalyptus has a functional equivalent of the Arabidopsis floral meristem identity gene LEAFY. Plant Molecular Biology. 37:897-910.. 1998.
Genetic engineering of sexual sterility in shade trees. Journal of Arboriculture. 24(5):263-273.. 1998.
Nuclear and Mitochondrial DNA Polymorphism and Phylogeny in the California Closed-Cone Pines. Forest Science. MS in Genetics. 1998.
RAPD genome maps of Douglas-fir. Journal of Heredity. 89:197-205.. 1998.
RAPD markers of mitochondrial origin exhibit lower population diversity and higher differentiation than RAPD markers of nuclear origin in Douglas-fir. Molecular Ecology. 7:801-812.. 1998.
RAPDs and allozymes exhibit similar levels of diversity and differentiation among populations and races of Douglas-fir. Heredity. 81:69-78.. 1998.
Susceptibility of the cottonwood leaf beetle (Coleoptera: Chrysomelidae) to different strains and transgenic toxins of Bacillus thuringiensis. Environmental Entomology. 28:108-115.. 1998.
Benefits and risk of transgenic, Roundup Ready® cottonwoods. Journal of Forestry. 95(5):12-19.. 1997.
Effects of megagametophyte removal on DNA yield and early seedling growth in coastal Douglas-fir. Canadian Journal of Forest Research. 27:964-968.. 1997.
Floral induction in woody angiosperms. New Forests. 14:179-202.. 1997.
High frequency transformation of cottonwoods (genus Populus) by Agrobacterium rhizogenes. Canadian Journal of Forest Research. 27:464-470.. 1997.
Matrix attachment regions (MARs) enhance transformation frequency and transgene expression in poplar. Transgenic Research. 6:415-420.. 1997.
Regeneration and transformation of Eucalyptus camaldulensis. Plant Cell Reports. 16:787-791.. 1997.
Genetic engineering of reproductive sterility in forest trees. Molecular Breeding. 1:5-26.. 1995.
Agrobacterium-mediated transformation of hybrid poplar suspension cultures and regeneration of transformed plants. Plant Cell, Tissue and Organ Culture. 36:59-71.. 1994.
Floral Phenology and Morphology of Black Cottonwood, Populus trichocarpa (Salicaceae). American Journal of Botany. 81:562-567.. 1994.
High levels of population differentiation for mitochondrial DNA haplotypes in Pinus radiata, muricata, and attenuata. Theoretical and Applied Genetics. 86:605-611.. 1993.
Limitations of molecular-marker-aided selection in forest tree breeding. Canadian Journal of Forest Research. 22:1050-1061.. 1992.