Index Catalog // ScholarsArchive@OSU

Expression and Function of Populus Homologs to TERMINAL FLOWER 1 Genes: Roles in Onset of Flowering and Shoot Phenology

Creator:: Mohamed, Rozi
Abstract:: We isolated and characterized the expression of two genes from Populus trichocarpa that are homologous to the TERMINAL FLOWER 1 (TFL1) gene from the model annual plant Arabidopsis. In Arabidopsis, overexpression of the TFL1 gene extends the vegetative growth phase, and the homozygous mutant tfl1 allele causes early flowering and...
Resource Type:: Dissertation
Full Text:: RNA extractions and real-time RT-PCR, as described in Chapters 2 and 3. Dr. Richard Meilan took

Maintenance of normal vegetative growth via attenuation of barnase as an agent of floral tissue ablation in Populus

Creator:: Wei, Hao
Abstract:: To reduce the environmental impacts caused by gene flow from transgenic trees, reproductive sterility genes have been developed that use a floral regulatory element linked to a cell toxin. This results in dysfunction or ablation of floral tissues, causing sterility. However, floral promoters often permit low levels of expression in...
Resource Type:: Masters Thesis
Full Text:: sincerely acknowledges Dr. Steve Strauss for his guidance and advice on this study; Dr. Richard Meilan for

Stability of reporter gene expression and RNAi in transgenic poplars over multiple years in the field under vegetative propagation

Creator:: Li, Jingyi
Abstract:: Stable expression of transgenes is required for commercial uses of genetically engineered trees. To better understand the stability of transgene expression under field conditions, we studied transgene expression and RNA interference (RNAi)-induced transgene suppression in 2,480 transgenic poplars (460 transgene insertion events) over three years. Stability of expression was assessed...
Resource Type:: Dissertation
Full Text:: and advice; to Dr. Stephen Difazio for his key role in granting proposal wiring; Dr. Richard Meilan

Identification and Functional Characterization of Genes that Regulate Biomass Production, Floral Development, and Leaf Senescence in Populus Species using Genetic Engineering and Bioinformatics Tools

Creator:: Lu, Haiwei
Abstract:: This dissertation is comprised of four studies on different elements of Populus biotechnology and genomic science: 1) growth improvement by recombinant DNA (rDNA) modification of gibberellin (GA) metabolism; 2) gene editing using zinc-finger nucleases (ZFNs); 3) induction of floral sterility by RNA interference (RNAi) of AGAMOUS (AG) gene homologs; and...
Resource Type:: Dissertation
Full Text:: . Richard Dilworth Graduate Travel Award. Finally, I thank my parents, Xiaoyun Wang and Xuejun Lu, my

Sequence Analysis and Vegetative Growth in Transgenic Eucalyptus with CRISPR-Cas9-induced Mutations in the Eucalyptus Homologs of the Floral Genes EMBRYO DEVELOPMENT ARREST 33 (EDA33) and TAPETAL DEVELOPMENT AND FUNCTION1 (TDF1)

Creator:: Nahata, Surbhi S.
Abstract:: An impediment to use of exotic and bioengineered trees in many places is their propensity for spread by pollen and/or seeds. Our laboratory has been using gene editing to induce mutations in floral genes as means to impart stable and reliable genetic containment when this is desirable from social (markets,...
Resource Type:: Masters Thesis
Full Text:: changes in stomatal development of poplar for survival in drought like conditions (Harfouche, Meilan

Functional Characterization and Classification of Genes Essential to Flower Induction, Flower Development, and Seed Development in Populus and Eucalyptus

Creator:: Elorriaga, Estefania
Abstract:: This dissertation consists of four studies of Populus and Eucalyptus biotechnology and genomic science: 1) induction of floral sterility by tapetal expression of the ribonuclease Barnase in Populus; 2) CRISPR Cas9-mediated gene editing targeting LEAFY (LFY) and AGAMOUS (AG) homologs in Populus; 3) induction of floral sterility by CRISPR Cas9...
Resource Type:: Dissertation
Full Text:: . CONTRIBUTIONS OF AUTHORS Drs. Xinmin An, Amy M. Brunner, Ms. Anna C. Magnuson, Mrs. Cathleen Ma, Richard

Genetic engineering of disease resistance in poplar : effects of bacterio-opsin over-expression and analysis of a copper-based system for resistance-gene activation

Creator:: Mohamed, Rozi
Abstract:: We tested a synthetic bacterio-opsin (bO) gene derived from Halobacterium halobium for its effect on disease resistance in transgenic poplar hybrids, and assessed a genetic system for controlling expression of this gene. In tobacco the bO gene caused necrotic lesions similar to an induced hypersensitive response (HR), increased levels of...
Resource Type:: Masters Thesis
Full Text:: , interpreting data, and in the writing of manuscripts. Dr. Richard Meilan provided technical advice, and

Focus on forestry ; vol. 12, no. 3 (Autumn 1999)

Creator:: Oregon State University. College of Forestry
Abstract:: Focus on Forestry is published three times each year (Fall, Winter, Spring) by the Oregon State University College of Forestry. Our goal is to keep Forestry alumni and friends informed about the College of Forestry and its many activities and programs.
Resource Type:: Other
Full Text:: , TGERC is Meilan takes data insects and incorporated it the studying how genes "flow" froi from a study

Focus on forestry ; vol. 17, no. 1 (Fall 2003)

Creator:: Oregon State University. College of Forestry
Abstract:: Focus on Forestry is published by Oregon State University's College of Forestry. Our goal is to keep Forestry alumni, friends, faculty, staff, and students informed about the College of Forestry and its many activities and programs.
Resource Type:: Other
Full Text:: Kerrigan (Research Associate, Botany and Plant Pathology) and a soils study conducted by Richard Dick

Overexpression of antioxidant genes in transgenic tomato tolerant against multiple stresses

Creator:: Wang, Yueju
Abstract:: The effect of increased manganese superoxide dismutase (Mn-SOD) and cytosolic ascorbate peroxidase (cAPX) on various abiotic stresses was studied using transgenic tomato (Lycopersicon esculentum) plants. Transformants were selected in vitro based on kanamycin resistance, confirmed by PCR and northern blot analyses. Northern blots showed an enhanced gene expression of Mn-SOD...
Resource Type:: Dissertation
Full Text:: project. Special thanks to Dr. Richard Meilan who kindly allowed me to work in his laboratory and

ScholarsArchive@OSU

Expression and Function of Populus Homologs to TERMINAL FLOWER 1 Genes: Roles in Onset of Flowering and Shoot Phenology

Maintenance of normal vegetative growth via attenuation of barnase as an agent of floral tissue ablation in Populus

Stability of reporter gene expression and RNAi in transgenic poplars over multiple years in the field under vegetative propagation

Identification and Functional Characterization of Genes that Regulate Biomass Production, Floral Development, and Leaf Senescence in Populus Species using Genetic Engineering and Bioinformatics Tools

Sequence Analysis and Vegetative Growth in Transgenic Eucalyptus with CRISPR-Cas9-induced Mutations in the Eucalyptus Homologs of the Floral Genes EMBRYO DEVELOPMENT ARREST 33 (EDA33) and TAPETAL DEVELOPMENT AND FUNCTION1 (TDF1)

Functional Characterization and Classification of Genes Essential to Flower Induction, Flower Development, and Seed Development in Populus and Eucalyptus

Genetic engineering of disease resistance in poplar : effects of bacterio-opsin over-expression and analysis of a copper-based system for resistance-gene activation

Focus on forestry ; vol. 12, no. 3 (Autumn 1999)

Focus on forestry ; vol. 17, no. 1 (Fall 2003)

Overexpression of antioxidant genes in transgenic tomato tolerant against multiple stresses

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