nicotiana tabacum/bactericid

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Antibacterial activity of Nicotiana tabacum leaves.

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Nicotiana tabacum leaf 60% methanolic extract exhibited antibacterial activity against six out of nine bacterial isolates at a concentration of 25 mg/ml.

Expression of a human lactoferrin cDNA in tobacco cells produces antibacterial protein(s).

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A suspension tobacco (Nicotiana tabacum L.) cell line was transformed to express human lactoferrin, an iron-binding glycoprotein. The transgenic calli produced a protein that was significantly smaller than the full-length lactoferrin protein. Total protein extracts made from transgenic tobacco

Two New Anisic Acid Derivatives from Endophytic Fungus Rhizopycnis vagum Nitaf22 and Their Antibacterial Activity.

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Rhizopycnis acids A (1) and B (2), two new anisic acid derivatives, were obtained from the ethyl acetate extract of the fermentation cultures of Rhizopycnis vagum, an endophytic fungus isolated from the healthy tissues of Nicotiana tabacum. The structures of the two compounds were determined through

Evaluation of 12 beta-lactam antibiotics for Agrobacterium-mediated transformation through in planta antibacterial activities and phytotoxicities.

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The antibacterial activities of 12 beta-lactam antibiotics against Agrobacterium tumefaciens strains LBA4404 and EHA101 living in tobacco (Nicotiana tabacum L.) leaf tissues, and their phytotoxicities to tobacco leaf tissues were evaluated. All beta-lactams at minimum bactericidal concentration

Fusion of a chitin-binding domain to an antibacterial peptide to enhance resistance to Fusarium solani in tobacco (Nicotiana tabacum).

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An antibacterial peptide-encoding gene from alfalfa seeds, alfAFP, was fused to the C-terminal part of chitin-binding domain (CBD) of the rice chitinase-encoding gene (CBD-alfAFP) and introduced to tobacco by Agrobacterium-mediated transformation. Polymerase chain reaction (PCR) technique was used

In vitro Antibacterial Activity and Phytochemical Analysis of Nicotiana tabacum L. Extracted in Different Organic Solvents.

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UNASSIGNED Controlling infectious disease using medicinal plants is the oldest healthcare known to mankind. Regardless of the enormous advances observed in modern medicine, medicinal plants are still playing vital roles. However, only a small proportion of medicinal plants are examined for bioactive

Airborne signals from a wounded leaf facilitate viral spreading and induce antibacterial resistance in neighboring plants.

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Many plants release airborne volatile compounds in response to wounding due to pathogenic assault. These compounds serve as plant defenses and are involved in plant signaling. Here, we study the effects of pectin methylesterase (PME)-generated methanol release from wounded plants ("emitters") on the

Recombinant production of bovine Lactoferrin-derived antimicrobial peptide in tobacco hairy roots expression system.

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LFchimera is a chimerical peptide containing Lactoferricin and Lactoferrampin antimicrobial peptides of bovine lactoferrin, and it has stronger bactericidal activity. Antimicrobial peptides (AMPs) like LFchimera have great potential as an alternative candidate for conventional antibiotics. Plant

Stacking of antimicrobial genes in potato transgenic plants confers increased resistance to bacterial and fungal pathogens.

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Solanum tuberosum plants were transformed with three genetic constructions expressing the Nicotiana tabacum AP24 osmotine, Phyllomedusa sauvagii dermaseptin and Gallus gallus lysozyme, and with a double-transgene construction expressing the AP24 and lysozyme sequences. Re-transformation of

In Silico Analyses of Rice Thionin genes and the Antimicrobial Activity of OsTHION15 against Phytopathogens.

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Thionins are a family of antimicrobial peptides. We performed in silico expression analyses of the 44 rice (Oryza sativa L.) thionins (OsTHIONs). Modulated expression levels of OsTHIONs under different treatments suggest their involvement in many processes, including biotic, abiotic and nutritional

Tobacco BY-2 cells as effective bioreactor for the production of puroindolines.

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Puroindolines are two small proteins so called for the presence of an hydrophobic tryptophan-rich domain. Associated to wheat starch granules in Triticum aestivum, puroindolines have been shown to be responsible for the softness of the wheat endosperm. Moreover, have been proved to possess

Natural variation in the Arabidopsis AGO2 gene is associated with susceptibility to potato virus X.

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RNA silencing functions as an anti-viral defence in plants through the action of DICER-like (DCL) and ARGONAUTE (AGO) proteins. Despite the importance of this mechanism, little is known about the functional consequences of variation in genes encoding RNA silencing components. The AGO2 protein has

High expression of a human lactoferrin in transgenic tobacco cell cultures.

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Transgenic Nicotiana tabacum cell lines were developed expressing the human lactoferrin gene driven by the oxidative stress-inducible peroxidase (SWPA2) promoter. Western blot analysis showed the accumulation of both the full-length human lactoferrin protein as well as a immuno-reactive truncated

Indolinone derivatives as potential antimicrobial agents.

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1-substituted aminomethyl-3-cyclohexylthiosemicarbazone-2-indolinones (I) were tested for their antibacterial activity against Bacillus pumilis, Bacillus brevis and Bacillus megaterium and antifungal activity against Aspergillus flavus, Aspergillus fumigatus and Aspergillus niger. The majority of

Towards Elucidating Carnosic Acid Biosynthesis in Lamiaceae: Functional Characterization of the Three First Steps of the Pathway in Salvia fruticosa and Rosmarinus officinalis.

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Carnosic acid (CA) is a phenolic diterpene with anti-tumour, anti-diabetic, antibacterial and neuroprotective properties that is produced by a number of species from several genera of the Lamiaceae family, including Salvia fruticosa (Cretan sage) and Rosmarinus officinalis (Rosemary). To elucidate

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