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cephaloziella massalongoi/antibakteerinen
Linkki tallennetaan leikepöydälle
Sivu 1 alkaen 17 tuloksia
Africane-type sesquiterpenoids from the Argentine liverwort Porella swartziana and their antibacterial activity.
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Seven africanes (1, 2a,b, 3-6), two of them new (1, 2a), three secoafricanes (7-9), one of them new (7), and two norsecoafricanes (10, 11a), one of them new (10), all of them swartzianin-type, have been isolated from an Argentine collection of the endemic liverwort Porella swartziana. The structures
Growth, terpenoid production and antibacterial activity of an in vitro culture of the liverwort Fossombronia pusilla.
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In vitro cultures of the liverwort, Fossombronia pusilla, have been ititiated from spores. They grew well on Gamborg B5 medium supplemented with 2% saccharose and 12.5 micrograms/l vitamin B12. Undifferentiated cultures were obtained on Knop mineral solution with 4% glucose. The cultures produced
Sesquiterpene/quinol from a New Zealand liverwort, Riccardia crassa.
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A new sesquiterpene/quinol, with mild cytotoxic and antibacterial activity, has been isolated from a New Zealand collection of the liverwort Riccardia crassa. The structure of this compound, riccardiphenol C [3], was established by nmr spectroscopy. Closely related compounds previously isolated from
A new cembrane-type diterpenoid from Bornean liverwort Chandonanthus hirtellus.
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A new compound, chandonanol (1), along with four known compounds, chandonanthone (2), iso-chandonanthone (3), anastreptene (4), and (6R,7S)-sesquiphellandrene (5), was isolated from the MeOH extract of Bornean liverwort Chandonanthus hirtellus. The structure of the new metabolite was established by
Phaeophytins from a cell suspension culture of the liverwort Plagiochila ovalifolia.
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A suspension culture of the liverwort Plagiochila ovalifolia was established from callus tissue induced by culturing spores. From the cultured cells, four phaeophytins were isolated as major components and their structures determined by spectroscopic methods. The phaeophytin derivatives showed
An antifungal bibenzyl from the New Zealand liverwort, Plagiochila stephensoniana. Bioactivity-directed isolation, synthesis, and analysis.
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The bioactivity-directed isolation of 4-hydroxy-3'-methoxybibenzyl [1] from a New Zealand liverwort, Plagiochila stephensoniana, is described. Compound 1 exhibited antifungal and antibacterial activity. Compound 1 is not considered to be a useful taxonomic marker. Syntheses of 1, stilbenes 2 and 3,
Search for Novel Antibacterial Compounds and Targets.
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Drug-resistant bacteria including methicillin-resistant Staphylococcus aureus (MRSA), multidrug-resistant Pseudomonas aeruginosa, and vancomycin-resistant enterococci (VRE) have been spreading; however, the development of new antibacterial drugs has not progressed accordingly. Novel antibacterial
Management of Diabetic Bacterial Foot Infections with Organic Extracts of Liverwort Marchantia debilis from Cameroon.
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Diabetic bacterial foot infections (DBFIs) are limb-threatening complications in patients with diabetes mellitus, accounting for 50% of diabetes related lower limb amputations in developing countries, representing approximately 20 percent of all diabetes-related hospital admissions with significant
Sesqui- and triterpenoids from the liverwort Lepidozia chordulifera inhibitors of bacterial biofilm and elastase activity of human pathogenic bacteria.
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Five dammarane-type triterpenoids, five pentacyclic triterpenoids (three of them carrying a carboxylic acid group), and two aromadendrane-type sesquiterpenoids were isolated from an Argentinian collection of the liverwort Lepidozia chordulifera. Compounds were characterized by comparison of their
Antibacterial activity of some bryophytes used traditionally for the treatment of burn infections.
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BACKGROUND
Plagiochasma appendiculatum L. & L. (Aytoniaceae), Conocephalum conicum (L.) Necker (Conocephalaceae), Bryum argenteum Hedw. (Bryaceae), and Mnium marginatum (With.) P. Beauv. (Mniaceae) are bryophytes (liverworts and mosses) used by traditional healers for the treatment of burn, cuts,
Antimicrobial activity and cytotoxicity of endophytes from Scapania verrucosa Heeg.
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We evaluated the antibacterial activity and cytotoxicity of endophytes isolated from Scapania verrucosa Heeg., which belongs to the liverwort class. A total of 49 endophytic fungi were isolated from S. verrucosa and classified into seven genera and one family in our previous study. In this study,
Marchantin C, a macrocyclic bisbibenzyl, induces apoptosis of human glioma A172 cells.
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Macrocyclic bisbibenzyls, a class of characteristic components derived from liverworts, are attracting more and more attention because of their wide range of biological significance, including anti-bacterial, anti-fungus, anti-oxidation and cytotoxicity. Herein, we investigated the pro-apoptotic
Riccardin C derivatives cause cell leakage in Staphylococcus aureus.
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Methicillin-resistant Staphylococcus aureus (MRSA) is a major problem in clinical settings, and because it is resistant to most antimicrobial agents, MRSA infections are difficult to treat. We previously reported that synthetic macrocyclic bis(bibenzyl) derivatives, which were originally discovered
Molecular basis of the anti-inflammatory effects of terpenoids.
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Natural products play a significant role in human health in relation to the prevention and treatment of inflammatory conditions. Among them, terpenoids (also referred to as terpenes), are the largest and most widespread class of secondary metabolites. They are found in higher plants, mosses,
Phthalides: Distribution in Nature, Chemical Reactivity, Synthesis, and Biological Activity.
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Phthalides are a relatively small group of natural compounds confined to several plant families and some genera of fungi and liverworts. They are divided into two structural groups, the monomeric and dimeric phthalides, and known mainly as bioactive constituents of different plant species used
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