Index Catalog // ScholarsArchive@OSU

Creator:: Klocko, Amy L., Ma, Cathleen, Robertson, Sarah, Esfandiari, Elahe, Nilsson, Ove, and Strauss, Steven H.
Abstract:: Eucalyptus trees are among the most important species for industrial forestry worldwide. However, as with most forest trees, flowering does not begin for one to several years after planting which can limit the rate of conventional and molecular breeding. To speed flowering, we transformed a Eucalyptus grandis × urophylla hybrid...
Resource Type:: Article

Creator:: Howe, Glenn T., Horvath, David P., Dharmawardhana, Palitha, Priest, Henry D., Mockler, Todd C., and Strauss, Steven H.
Abstract:: To survive winter, many perennial plants become endodormant, a state of suspended growth maintained even in favorable growing environments. To understand vegetative bud endodormancy, we collected paradormant, endodormant, and ecodormant axillary buds from Populus trees growing under natural conditions. Of 44,441 Populus gene models analyzed using NimbleGen microarrays, we found...
Resource Type:: Article

Creator:: Elorriaga, Estefania, Meilan, Richard, Ma, Cathleen, Skinner, Jeffrey S., Etherington, Elizabeth, Brunner, Amy, and Strauss, Steven H.
Abstract:: The field performance of genetic containment technologies–considered important for certain uses of transgenic trees in forestry–is poorly known. We tested the efficiency of a barnase gene driven by the TA29 tapetum-dominant promoter for influencing growth rate and inducing male sterility in a field trial of transgenic hybrid poplar (Populus tremula × Populus...
Resource Type:: Article

Creator:: Buhl, Christine, Strauss, Steven H., and Lindroth, Richard L.
Abstract:: Abstract Endogenous levels and signaling of gibberellin plant hormones such as gibberellic acid (GA) have been genetically down-regulated to create semi-dwarf varieties of poplar. The potential benefits of semi-dwarf stature include reduced risk of wind damage, improved stress tolerance, and improved wood quality. Despite these benefits, modification of growth traits...
Resource Type:: Article

Creator:: Yordanov, Yordan S., Ma, Cathleen, Strauss, Steven H., and Busov, Victor B.
Abstract:: Trees from temperate latitudes transition between growth and dormancy to survive dehydration and freezing stress during winter months. We employed activation tagging to isolate a dominant mutation affecting release from dormancy, and identified the corresponding gene EARLY BUD-BREAK 1 (EBB1). We demonstrate through positioning of the tag, expression analysis, and...
Resource Type:: Article

Creator:: Myburg, Alexander A., Grattapaglia, Dario, Tuskan, Gerald A., Vining, Kelly, Amarasinghe, Vindhya, Ranik, Martin, Naithani, Sushma, Elser, Justin, Liston, Aaron, Spatafora, Joseph W., Dharmawardhana, Palitha, Raja, Rajani, Strauss, Steven H., Jaiswal, Pankaj, and et al.
Abstract:: Eucalypts are the world’s most widely planted hardwood trees. Their outstanding diversity, adaptability and growth have made them a global renewable resource of fibre and energy. We sequenced and assembled >94% of the 640-megabase genome of Eucalyptus grandis. Of 36,376 predicted protein-coding genes, 34% occur in tandem duplications, the largest...
Resource Type:: Article

Creator:: Klocko, Amy L., Meilan, Richard, James, Rosalind R., Viswanath, Venkatesh, Ma, Cathleen, Payne, Peggy, Miller, Lawrence, Skinner, Jeffrey S., Oppert, Brenda, Cardineau, Guy A., and Strauss, Steven H.
Abstract:: The stability and value of transgenic pest resistance for promoting tree growth are poorly understood. These data are essential for determining if such trees could be beneficial to commercial growers in the face of substantial regulatory and marketing costs. We investigated growth and insect resistance in hybrid poplar expressing the...
Resource Type:: Article

Creator:: Vining, Kelly, Pomraning, Kyle R., Wilhelm, Larry J., Ma, Cathleen, Pellegrini, Matteo, Di, Yanming, Mockler, Todd C., Freitag, Michael, and Strauss, Steven H.
Abstract:: Background: Cytosine DNA methylation (5mC) is an epigenetic modification that is important to genome stability and regulation of gene expression. Perturbations of 5mC have been implicated as a cause of phenotypic variation among plants regenerated through in vitro culture systems. However, the pattern of change in 5mC and its functional...
Resource Type:: Article

Creator:: Braeutigam, Katharina, Vining, Kelly J., Lafon-Placette, Clement, Fossdal, Carl G., Mirouze, Marie, Gutierrez Marcos, Jose, Fluch, Silvia, Fernandez Fraga, Mario, Angeles Guevara, M., Abarca, Dolores, Johnsen, Oystein, Maury, Stephane, Strauss, Steven H., Campbell, Malcolm M., Rohde, Antje, Diaz-Sala, Carmen, and Cervera, Maria-Teresa
Abstract:: Epigenetic variation is likely to contribute to the phenotypic plasticity and adaptative capacity of plant species, and may be especially important for long-lived organisms with complex life cycles, including forest trees. Diverse environmental stresses and hybridization/polyploidization events can create reversible heritable epigenetic marks that can be transmitted to subsequent generations...
Resource Type:: Article

Creator:: Rodgers-Melnick, Eli, Mane, Shrinivasrao P., Dharmawardhana, Palitha, Slavov, Gancho T., Crasta, Oswald R., Strauss, Steven H., Brunner, Amy M., and DiFazio, Stephen P.
Abstract:: Comparative analysis of multiple angiosperm genomes has implicated gene duplication in the expansion and diversification of many gene families. However, empirical data and theory suggest that whole-genome and small-scale duplication events differ with respect to the types of genes preserved as duplicate pairs. We compared gene duplicates resulting from a...
Resource Type:: Article

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