Search Results - "Tepfer, David"

Transformation of several species of higher plants by Agrobacterium rhizogenes: sexual transmission of the transformed genotype and phenotype by Tepfer, D

“…The T-DNA of the Ri plasmid from Agrobacterium rhizogenes is compatible with the regeneration of whole plants from genetically transformed roots and is…”
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Survival and DNA Damage in Plant Seeds Exposed for 558 and 682 Days outside the International Space Station by Tepfer, David, Leach, Sydney

“…For life to survive outside the biosphere, it must be protected from UV light and other radiation by exterior shielding or through sufficient inherent…”
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Homology-dependent DNA transfer from plants to a soil bacterium under laboratory conditions: implications in evolution and horizontal gene transfer by TEPFER, David, GARCIA-GONZALES, Rolando, MANSOURI, Hounayda, SERUGA, Martina, MESSAGE, Brigitte, LEACH, Francesca, PERICA, Mirna Curkovic

“…DNA transfer was demonstrated from six species of donor plants to the soil bacterium, Acinetobacter spp. BD413, using neomycin phosphotransferase (nptII) as a…”
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The origin of life, panspermia and a proposal to seed the Universe by Tepfer, David

“…Although the origin of life is experimentally elusive, the commonality of the genetic code is well established, as is the presence of life on Earth early in…”
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Survival of plant seeds, their UV screens, and nptII DNA for 18 months outside the International Space Station by Tepfer, David, Zalar, Andreja, Leach, Sydney

“…The plausibility that life was imported to Earth from elsewhere can be tested by subjecting life-forms to space travel. Ultraviolet light is the major…”
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Calystegins, a novel class of alkaloid glycosidase inhibitors by Molyneux, R J, Pan, Y T, Goldmann, A, Tepfer, D A, Elbein, A D

“…The alkaloid extract from roots of naturally growing Convolvulus arvensis, purified by ion-exchange chromatography, showed significant inhibitory activity…”
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Changes in morphological phenotypes and withanolide composition of Ri-transformed roots of Withania somnifera by Bandyopadhyay, Maumita, Jha, Sumita, Tepfer, David

“…Developmental variability was introduced into Withania somnifera using genetic transformation by Agrobacterium rhizogenes, with the aim of changing…”
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Phytophthora resistance through production of a fungal protein elicitor (β-cryptogein) in tobacco by TEPFER, D, BOUTTEAUX, C, VIGON, C, AYMES, S, PEREZ, V, O'DONOHUE, M. J, HUET, J.-C, PERNOLLET, J.-C

“…Transformation of tobacco with a gene encoding the fungal elicitor protein, β-cryptogein, resulted in resistance to the pathogen Phytophthora parasitica var…”
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Use of Agrobacterium rhizogenes to create transgenic apple trees having an altered organogenic response to hormones by Lambert, C. (Angers Univ. (France). Faculte des Sciences. Lab. de Biologie Vegetale), Tepfer, D

“…The apple rootstock, M26, was genetically and phenotypically transformed using the Agrobacterium wild-type strain, A4. First, chimeric plants were obtained…”
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Plant Seeds as Model Vectors for the Transfer of Life Through Space by Tepfer, David, Leach, Sydney

“…We consider plant seeds as terrestrial models for a vectored life form that could protect biological information in space. Seeds consist of maternal tissue…”
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Agrobacterium rhizogenes inserts T-DNA into the genomes of the host plant root cells by Chilton, M.D, Tepfer, D.A, Petit, A, David, C, Casse-Delbart, F, empe, J

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Use of Agrobacterium rhizogenes to Create Chimeric Apple Trees Through Genetic Grafting by Lambert, Claude, Tepfer, David

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Root Ecology by Tepfer, David

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Oral administration of low doses of plant-based HBsAg induced antigen-specific IgAs and IgGs in mice, without increasing levels of regulatory T cells by Kostrzak, Anna, Cervantes Gonzalez, Minerva, Guetard, Denise, Nagaraju, Devendra Bellary, Wain-Hobson, Simon, Tepfer, David, Pniewski, Tomasz, Sala, Monica

“…Abstract Plant-based oral vaccines run the risk of activating regulatory T cells (Tregs) and suppressing the antigen-specific immune response via oral…”
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Transgenic mimicry of pathogen attack stimulates growth and secondary metabolite accumulation by Chaudhuri, Kuntal, Das, Sudripta, Bandyopadhyay, Moumita, Zalar, Andreja, Kollmann, Albert, Jha, Sumita, Tepfer, David

“…Plant secondary metabolites, including pharmaceuticals, flavorings and aromas, are often produced in response to stress. We used chemical inducers of the…”
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High tech harvest: understanding genetically modified food plants by Tepfer, David

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Spontaneous plant regeneration in transformed roots and calli from Tylophora indica: changes in morphological phenotype and tylophorine accumulation associated with transformation by Agrobacterium rhizogenes by Chaudhuri, K.N, Ghosh, B, Tepfer, D, Jha, S

“…We examined the effects of genetic transformation by Agrobacterium rhizogenes on the production of tylophorine, a phenanthroindolizidine alkaloid, in the…”
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Genetic transformation of Tylophora indica with Agrobacterium rhizogenes A4: growth and tylophorine productivity in different transformed root clones by Chaudhuri, K.N, Ghosh, B, Tepfer, D, Jha, S

“…We have developed an efficient transformation system for Tylophora indica, an important medicinal plant in India, using Agrobacterium rhizogenes strains…”
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Chemical synthesis, expression and mutagenesis of a gene encoding ?-cryptogein, an elicitin produced by Phytophthora cryptogea by O'Donohue, Michael J., Gousseau, H l ne, Huet, Jean-Claude, Tepfer, David, Pernollet, Jean-Claude

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Biotechnology in Agriculture and Forestry 45, Transgenic Medicinal Plants by Tepfer, David

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