Results 231 to 240 of about 27,473 (251)
Effect of Nicotiana tabacum on Tribolium castaneum [PDF]
International Journal of Pharmacognosy, 1995 AbstractThe alkaloid-containing fraction obtained from Nicotiana tabacum was tested for its insecticidal and phagodeter-rent activities against the Red flour beetle, Tribolium castaneum. Treatment of the larvae with concentrations ranging from 20000 to 50000 ppm resulted in larval mortality and juvenomimetic effects.
M. Lakshamana Kumar +2 more
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Stubborn GFPs inNicotiana tabacumvacuoles
Plant Biosystems - An International Journal Dealing with all Aspects of Plant Biology, 2004Green fluorescent protein (GFP) allows the direct visualization of gene expression and sub cellular localization of fusion proteins in living cells. Many GFP variants have been developed to solve stability and emission problems. In this report the localization of different GFP fusion proteins, targeted to vacuoles, was studied in Nicotiana tabacum cv ...
DI SANSEBASTIANO, Gian Pietro +3 more
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Expression of human apolipoprotein A-I in Nicotiana tabacum
Biotechnology Letters, 2010Several transgenic tobacco lines expressing human apolipoprotein A-I (ApoA-I) were obtained. Western blot analyses indicated the expression of the recombinant protein in plant organs at various stages of development, including senescent leaves. A cell line expressing human ApoA-I was established from a T(1) transgenic plant.
Pasquale, Chiaiese +6 more
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Lipopolysaccharide-responsive phosphoproteins in Nicotiana tabacum cells
Plant Physiology and Biochemistry, 2006Mounting evidence is merging to affirm the effectiveness of bacterial lipopolysaccharides (LPS) as biological control agents, inducers of innate immunity, and to stimulate/potentiate the development of defense responses in plants through protein phosphorylation-mediated signal perception/transduction responses.
Gerber, I.B. +3 more
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MOSAIC TOLERANCE IN NICOTIANA TABACUM
American Journal of Botany, 1958TwO TYPES OF resistance to tobacco mosaic virus (TMV) have been investigated extensively. The necrotic response characteristic of N. glutinosa and other species of the genus has been successfully transferred to commercial strains of tabacum. This type of resistance at first was considered of doubtful value since under conditions of higher temperatures (
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Micro determination of scopoletin in Nicotiana tabacum
Phytochemistry, 1972Abstract A GLC method for quantitative analysis of tobacco for scopoletin (as free scopoletin and the glycoside, scopolin) utilizes tritium foil electron capture detection of as little as 100 ng scopoletin. Polyphenols are directly extracted with n-propanol, and hydrolyzed to produce scopoletin. After silylation the TMS-scopoletin is separated on 10%
Thomas H. Vaughn, Roger A. Andersen
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2020
Tobacco (Nicotiana tabacum L.) is cultivated primarily for use in the manufacture of nicotine-containing products such as cigarettes, cigars, and smokeless tobacco products. Plant breeding methodologies are used to develop new tobacco cultivars with important trait combinations that contribute to the economy of crop production and to preferred ...
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Tobacco (Nicotiana tabacum L.) is cultivated primarily for use in the manufacture of nicotine-containing products such as cigarettes, cigars, and smokeless tobacco products. Plant breeding methodologies are used to develop new tobacco cultivars with important trait combinations that contribute to the economy of crop production and to preferred ...
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In vivo synthesis of stigmasterol in Nicotiana tabacum
Phytochemistry, 1985Abstract Six-day-old tobacco seedlings rapidly incorporated and metabolized exogenously supplied [4- 14 C]-sitosterol, but none of the radioactivity was recovered from stigmasterol. However, exogenously supplied [2- 14 C]-mevalonic acid was incorporated into both sitosterol and stigmasterol.
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Molecular genetics of alkaloid biosynthesis in Nicotiana tabacum
Phytochemistry, 2013Alkaloids represent an extensive group of nitrogen-containing secondary metabolites that are widely distributed throughout the plant kingdom. The pyridine alkaloids of tobacco (Nicotiana tabacum L.) have been the subject of particularly intensive investigation, driven largely due to the widespread use of tobacco products by society and the role that ...
Ralph E. Dewey, Jiahua Xie
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Distribution of catalase isoforms in Nicotiana tabacum
Phytochemistry, 1996Abstract Total catalase activity per milligram protein averaged three-fold higher in leaves than in green stem or leaf midvein tissue of Nocotiana tabacum . The distribution of total activity between low-peroxidatic (LP-CAT) and enhanced-peroxidatic (EP-CAT) isoforms differed in the three tissues.
Israel Zelitch +2 more
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