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antibiotic/tobak
Povezava se shrani v odložišče
Stran 1 iz 95 rezultatov
Antibacterial activity of Nicotiana tabacum leaves.
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Prijava / prijava
Nicotiana tabacum leaf 60% methanolic extract exhibited antibacterial activity against six out of nine bacterial isolates at a concentration of 25 mg/ml.
Transgenic antibiotic resistance may be differentially silenced in germinating pollen grains.
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Prijava / prijava
Transgenic tobacco (Nicotiana tabacum L.) plants, carrying the neomycin phosphotransferase (NPT II) gene from E. coli, are resistant to kanamycin when grown from seeds on kanamycin containing medium. Tissue and cell cultures derived from those transformants also express resistance and regenerate
Expression of a human lactoferrin cDNA in tobacco cells produces antibacterial protein(s).
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Prijava / prijava
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
Expression in plants of two bacterial antibiotic resistance genes after protoplast transformation with a new plant expression vector.
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Prijava / prijava
Two bacterial antibiotic resistance genes, one coding for the neomycin phosphotransferase (NPT I) from Tn903, and the other coding for the chloramphenicol acetyltransferase from Tn9 were used as plant selectable markers. Both genes were introduced into the Nicotiana tabacum genome in a new plant
Two New Anisic Acid Derivatives from Endophytic Fungus Rhizopycnis vagum Nitaf22 and Their Antibacterial Activity.
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Prijava / prijava
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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Prijava / prijava
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
The toxicity of antibiotics to plant cell cultures.
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Prijava / prijava
We have examined the toxicity of over twenty antibiotics to protoplast-derived cells of Nicotiana plumbaginifolia. The least toxic antibiotics are the betalactams: ampicillin, carbenicillin and the cephalosporins can be used to provide broad spectrum antimicrobial activity without significant
Fusion of a chitin-binding domain to an antibacterial peptide to enhance resistance to Fusarium solani in tobacco (Nicotiana tabacum).
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Prijava / prijava
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
Antibiotics induce genome-wide hypermethylation in cultured Nicotiana tabacum plants.
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Prijava / prijava
Plant genomic DNA methylation was analyzed by an improved SssI methyltransferase assay and by genomic sequencing with sodium bisulfite. Kanamycin, hygromycin, and cefotaxime (also called Claforan) are commonly used as selective agents for the production of transgenic plants. These antibiotics caused
Airborne signals from a wounded leaf facilitate viral spreading and induce antibacterial resistance in neighboring plants.
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Prijava / prijava
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
Secondary fungal metabolites and their biological activities, I. Isolation of antibiotic compounds from cultures of Heterobasidion annosum synthesized in the presence of antagonistic fungi or host plant cells.
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Prijava / prijava
Heterobasidion annosum (Syn. Fomes annosus), one of the most pathogenic basidiomycetes in conifer forests, produces a series of new metabolites specifically in the presence of antagonistic fungi or some plant cells. These "ecological metabolites" have been isolated and chemically characterized. The
Trichoderma viride cellulase induces resistance to the antibiotic pore-forming peptide alamethicin associated with changes in the plasma membrane lipid composition of tobacco BY-2 cells.
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Prijava / prijava
BACKGROUND
Alamethicin is a membrane-active peptide isolated from the beneficial root-colonising fungus Trichoderma viride. This peptide can insert into membranes to form voltage-dependent pores. We have previously shown that alamethicin efficiently permeabilises the plasma membrane, mitochondria
[The effect of antibiotics on the synthesis of viral RNA in the leaves of Nicotiana glutinosa infected with tobacco mosaic virus in vivo and in vitro].
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Recombinant production of bovine Lactoferrin-derived antimicrobial peptide in tobacco hairy roots expression system.
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Prijava / prijava
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
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