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The Chitinase A from the baculovirus AcMNPV enhances resistance to both fungi and herbivorous pests in tobacco.

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Biotechnology has allowed the development of novel strategies to obtain plants that are more resistant to pests, fungal pathogens and other agents of biotic stress. The obvious advantages of having genotypes with multiple beneficial traits have recently fostered the development of gene pyramiding

[Medicinal plants in the phytotherapy of alcohol or nicotine addiction. Implication for plants in vitro cultures].

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The increasing problem of nicotine and alcohol addiction, and small availability of drugs in the pharmacologic treatment causes that there are still looking for new drugs that could be used in addiction prevention and relief of withdrawal symptoms. Currently, attention has focused on a number of

A plant signal sequence enhances the secretion of bacterial ChiA in transgenic tobacco.

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When the secreted bacterial protein ChiA is expressed in transgenic tobacco, a fraction of the protein is glycosylated and secreted from the plant cells; however most of the protein remains inside the cells. We tested whether the efficiency of secretion could be improved by replacing the bacterial

Bacterial chitinase is modified and secreted in transgenic tobacco.

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The chiA gene of Serratia marcescens codes for a secreted protein, bacterial chitinase (ChiA). We have investigated the modifications and the cellular location of ChiA when it is expressed in transgenic tobacco plants. Immunoblots on total leaf protein probed with antibody to ChiA showed that when

Lifetime exposure to environmental tobacco smoke and cervical intraepithelial neoplasms among nonsmoking Taiwanese women.

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Cigarette smoke is one of the most important environmental risk factors for the development of cervical intraepithelial neoplasms (CINs). Given that the prevalence of cigarette smoking in Taiwanese women is very low, compared with Caucasian women (3-4% vs. approximately 28%, respectively), direct

Product variability of the 'cineole cassette' monoterpene synthases of related Nicotiana species.

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Nicotiana species of the section Alatae characteristically emit the floral scent compounds of the 'cineole cassette' comprising 1,8-cineole, limonene, myrcene, α-pinene, β-pinene, sabinene, and α-terpineol. We successfully isolated genes of Nicotiana alata and Nicotiana langsdorfii that encoded

Purification and characterization of a viral chitinase active against plant pathogens and herbivores from transgenic tobacco.

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The Autographa californica nucleopolyhedrovirus chitinase A (AcMNPV ChiA) is a chitinolytic enzyme with fungicidal and insecticidal properties. Its expression in transgenic plants enhances resistance against pests and fungal pathogens. We exploited tobacco for the production of a biologically active

Introduction and differential use of various promoters in pollen grains of Nicotiana glutinosa and Lilium longiflorum.

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As part of our research to develop an alternative system for the transformation of recalcitrant plant species we investigated the use of the male gametophyte as a transformation vector. Therefore the activity of four different promoters (CaMV 35S, LAT52, chiA PA2 and TR2') was analyzed in pollen of

In utero environmental tobacco smoke exposure alters gene expression in lungs of adult BALB/c mice.

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BACKGROUND In utero environmental tobacco smoke (ETS) exposure exacerbates initial lung responses of adult mice to ovalbumin (OVA), a common allergen in rodent models of allergic asthma. OBJECTIVE We tested the hypothesis that in utero ETS exposure alters expression of genes (including

Heterologous Expression of Salvia miltiorrhiza MicroRNA408 Enhances Tolerance to Salt Stress in Nicotiana benthamiana.

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MicroRNAs (miRNAs) are a class of endogenous small RNAs that regulate the expression of target genes post-transcriptionally; they are known to play major roles in development and responses to abiotic stress. MicroRNA408 (miR408) is a conserved small RNA in plants; it was reported that miR408 genes

Regulation of simultaneous synthesis of floral scent terpenoids by the 1,8-cineole synthase of Nicotiana suaveolens.

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The white flowers of N. suaveolens emit a complex bouquet of fragrance volatiles. The dominant compounds are benzenoids (e.g. methyl benzoate, methyl salicylate, benzyl benzoate and benzyl salicylate), monoterpenes (1,8-cineole, limonene, sabinene, E-beta-ocimene, beta-beta-myrcene, alpha- and

DNA identification of Salvia divinorum samples.

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Salvia divinorum (diviner's sage) is a plant in the mint family that produces an hallucinogenic compound, salvinorin A. The plant is used, often by chewing or smoking, as a "recreational" drug source and is regulated or banned in several states and countries. We describe a simple DNA technique,

Influence of age on Salvia divinorum use: results of an Internet survey.

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An Internet-based survey of Salvia divinorum ("salvia") users was conducted to identify correlates surrounding its use. Salvia-knowledgeable persons were recruited via "social networking Internet websites" (n = 23) where notices were posted on recreational salvia group message boards (n = 69). Data

Investigating correlates of synthetic marijuana and Salvia use in light and intermittent smokers and college students in a predominantly Hispanic sample.

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Few studies have examined correlates related to the use of synthetic cannabinoids (e.g., Spice, K2) and Salvia divinorum. Two studies were conducted to investigate whether demographic, smoking-related, and substance-related variables were associated with the use of synthetic cannabinoids and Salvia.

Identification of an Isolate of Potato virus Y-Tuber Necrotic Strain on Clary Sage (Salvia sclarea).

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In 1999, clary sage plants (Salvia sclarea L.) at the Herb Garden of Casola Valsenio (Emilia-Romagna Region, northern Italy) exhibited malformed leaves with yellow spots and line patterns. Sap from leaves of symptomatic sage plants caused symptoms in inoculated Chenopodium amaranticolor Coste et

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