Results 221 to 230 of about 27,473 (251)
Distribution of solanesol in Nicotiana tabacum [PDF]
Journal of Forestry Research, 2007 Solanesol is an important secondary metabolite in Nicotiana tabacum. Distribution of solanesol in Nicotiana tabacum was investigated by High Performance Liquid Chromatography (HPLC) method. The quantitative distribution of solanesol in various organs and tissues of N. tabacum showed that solanesol content, obviously different in all organs, was 6.8, 18.
Chunying Li +3 more
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Bombiprenone from Nicotiana tabacum
Phytochemistry, 1972Abstract Bombiprenone (6,10,14,18,22,26,30,34-octamethyl-5,9,13,17,21,25,29,33-pentatriacontaoctaen-2-one) has been isolated from flue-cured tobacco (Nicotiana tabacum) in yields of 0·1–0·6% dry wt. Plastoquinone-A was converted to bombiprenone by aerobic photo-oxidation, most probably via a hydroperoxide.
W.J. Irvine, B.H. Woollen, D.H. Jones
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Antibacterial activity of Nicotiana tabacum leaves
Fitoterapia, 2000Nicotiana tabacum leaf 60% methanolic extract exhibited antibacterial activity against six out of nine bacterial isolates at a concentration of 25 mg/ml.
Efere M. Obuotor, David A. Akinpelu
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Tryptophan synthase from Nicotiana tabacum
Biochimica et Biophysica Acta (BBA) - Enzymology, 1968Abstract A study has been made of the properties of a tryptophan synthase ( l -serine hydro-lyase (adding indole), EC 4.2.1.20) obtained from cultured cells of Nicotiana tabacum var. Wisconsin 38. The data presented show that the enzyme more closely resembles the two-component bacterial type of tryptophan synthase in contrast to the single-component ...
Deborah P. Delmer, Stanley E. Mills
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A spontaneous haploid of Nicotiana Tabacum [PDF]
Genetica, 1943 1. A spontaneous haploid (2n=24) was found in an F3 family of the crossNicotiana Tabacum (Amersfoorter)×N.Tabacum atropurpurea. 2. The plant was a typical dwarf and appeared to be completely sterile. 3. At diakinesis and first metaphase 0,1 or 2 bivalents occurred, the average number per cell being 0,63 at diakinesis and 0,43
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Characterizing the Genome of Nicotiana tabacum
2020The tobacco plant is an important crop and model organism, and there is a widespread interest in improving its agronomical properties. Unraveling its genome is necessary for understanding and predicting its biological properties and to ultimately contribute to breeding or engineering efforts for creating new varieties.
Nicolas Sierro +2 more
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Stable Expression of Adalimumab in Nicotiana tabacum
Molecular Biotechnology, 2018Production of monoclonal antibodies and pharmaceutical proteins in transgenic plants has been the focus of many research efforts for close to 30 years. Use of plants as bioreactors reduces large-scale production costs and minimizes risk for human pathogens contamination.
Lena Magrisso +3 more
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Nicotiana tabacum callus studies
Zeitschrift für Pflanzenphysiologie, 1977Summary The effects of auxin, cytokinin and sucrose on sieve element dimensions were investigated in Nicotiana callus cultures. Although significant differences in both mean length and mean diameter were established between various individual treatments, there was no consistent response to increasing the level of any one substance. The treatment that
Jean G. Abbott +2 more
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Three TERT genes in Nicotiana tabacum
Chromosome Research, 2012Telomerase is essential for proper functioning of telomeres in eukaryotes. We cloned and characterised genes for the protein subunit of telomerase (TERT) in the allotetraploid Nicotiana tabacum (tobacco) and its diploid progenitor species Nicotiana sylvestris and Nicotiana tomentosiformis with the aim of determining if allopolyploidy (hybridisation and
Jana Fulnečková +9 more
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Sperm dimorphism in Nicotiana tabacum L.
Sexual Plant Reproduction, 2001Sperm cells of tobacco have been intensively studied as examples of isomorphic gametes in which major cellular and organellar parameters remain statistically indistinguishable in the two sperm cells. An examination of sperm cells late in maturation, however, displays that the sperm cell associated with the vegetative nucleus becomes statistically ...
Tian, HQ +2 more
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