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14 tulemused
Geranylation of benzoic acid derivatives by enzymatic extracts from Piper crassinervium (Piperaceae).
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The ability to carry out geranylations on aromatic substrates using enzymatic extracts from the leaves of Piper crassinervium (Piperaceae) was evaluated. A literature analysis pointed out its importance as a source of prenylated bioactive molecules. The screening performed on aromatic acceptors
Antifungal and proteolytic activities of endophytic fungi isolated from Piper hispidum Sw.
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Endophytes are being considered for use in biological control, and the enzymes they secrete might facilitate their initial colonization of internal plant tissues and direct interactions with microbial pathogens. Microbial proteases are also biotechnologically important products employed in
Role of Petiole in Protein Metabolism of Senescing Betel (Piper betle L.) Leaves.
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Effects of depetiolation on protein metabolism during senescence of detached betel (Piper betle L.) leaves have been studied. In normal petiolated leaves, the level of chlorophyll and proteins and extent of protein synthesis declined, while the protease activity registered manifold increase with the
Composition and biological activities of the essential oil of Piper corcovadensis (Miq.) C. DC (Piperaceae).
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Essential oil from fresh leaves of the shrub Piper corcovadensis (Miq.) C. DC was obtained in 0.21% (w/w) yield by hydrodistillation in a Clevenger type apparatus. Thirty-one components, accounting for 96.61% of the leaf oil, were identified by gas chromatography-mass spectrometry. The major
Complete genome sequencing of Piper yellow mottle virus infecting black pepper, betelvine, and Indian long pepper.
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The complete genome of the Piper yellow mottle virus (PYMoV), a Badnavirus belonging to the family Caulimoviridae, was sequenced from three naturally infected hosts namely, black pepper, betelvine, and Indian long pepper. The genome length of the three virus strains (one from each of the three host
A new Piper nigrum cysteine proteinase inhibitor, PnCPI, with antifungal activity: molecular cloning, recombinant expression, functional analyses and molecular modeling
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A new Piper nigrum cysteine proteinase inhibitor, PnCPI, belonging to group I of phytocystatins, with inhibitory activity against papain and growth of Fusarium solani f. sp. piperis, was isolated and characterized. Previous studies (de Souza et al. 2011) have identified a partial cDNA sequence of
Piper betle and its bioactive metabolite phytol mitigates quorum sensing mediated virulence factors and biofilm of nosocomial pathogen Serratia marcescens in vitro.
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BACKGROUND
Piper betle, a tropical creeper plant belongs to the family Piperaceae. The leaves of this plant have been well known for their therapeutic, religious and ceremonial value in South and Southeast Asia. It has also been reported to possess several biological activities including
Isolation, characterization and identification of pericarp-degrading bacteria for the production of off-odour-free white pepper from fresh berries of Piper nigrum L.
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OBJECTIVE
To isolate, fermentatively evaluate and identify black pepper (Piper nigrum L.)-associated bacteria for the microbial decortication of fresh ripened berries and dried black pepper for preparation of off-odour-free white pepper.
RESULTS
Among 45 bacterial isolates obtained from black
Biogenic synthesis of silver nanoparticles using Piper betle aqueous extract and evaluation of its anti-quorum sensing and antibiofilm potential against uropathogens with cytotoxic effects: an in vitro and in vivo approach.
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Urinary tract infections are the utmost common bacterial infections caused by Proteus mirabilis, Pseudomonas aeruginosa, Escherichia coli, and Serratia marcescens. These uropathogens resist the action of several antibiotics due to their ability to form biofilms. Most of these bacterial pathogens use
Inhibitory effects of sudanese medicinal plant extracts on hepatitis C virus (HCV) protease.
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One hundred fifty-two methanol and water extracts of different parts of 71 plants commonly used in Sudanese traditional medicine were screened for their inhibitory effects on hepatitis C virus (HCV) protease (PR) using in vitro assay methods. Thirty-four extracts showed significant inhibitory
Evaluating the role of a trypsin inhibitor from soap nut (Sapindus trifoliatus L. Var. Emarginatus) seeds against larval gut proteases, its purification and characterization.
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BACKGROUND
The defensive capacities of plant protease Inhibitors (PI) rely on inhibition of proteases in insect guts or those secreted by microorganisms; and also prevent uncontrolled proteolysis and offer protection against proteolytic enzymes of pathogens.
METHODS
An array of chromatographic
Alkamides and Piperamides as Potential Antivirals Against the Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2)
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Logi sisse
The pandemic caused by the SARS-CoV-2 has quickly spread globally, infecting millions, and killing hundreds of thousands of people. Herein, to identify potential antiviral agents, 97 natural amide-like compounds known as alkamides and piperamides were tested against SARS-CoV-2 main protease (Mpro)
Extracellular enzymatic profiles and taxonomic identification of endophytic fungi isolated from four plant species.
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Plants of medicinal and economic importance have been studied to investigate the presence of enzyme-producing endophytic fungi. The characterization of isolates with distinct enzyme production potential may identify suitable alternatives for specialized industry. At Universidade Estadual de Maringá
Cytotoxicity and antiangiogenic activity of grandisin.
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OBJECTIVE
The antitumoural properties of grandisin, a tetrahydrofuran neolignan from Piper solmsianum, were investigated by in-vitro and in-vivo assays using the Ehrlich ascites tumoural (EAT) model.
METHODS
Viability of the tumour cells was evaluated by Trypan blue exclusion and MTT methods, after
Kõige täiuslikum ravimtaimede andmebaas, mida toetab teadus
- Töötab 55 keeles
- Taimsed ravimid, mida toetab teadus
- Maitsetaimede äratundmine pildi järgi
- Interaktiivne GPS-kaart - märgistage ürdid asukohas (varsti)
- Lugege oma otsinguga seotud teaduspublikatsioone
- Otsige ravimtaimi nende mõju järgi
- Korraldage oma huvisid ja hoidke end kursis uudisteuuringute, kliiniliste uuringute ja patentidega
Sisestage sümptom või haigus ja lugege ravimtaimede kohta, mis võivad aidata, tippige ürdi ja vaadake haigusi ja sümptomeid, mille vastu seda kasutatakse.
* Kogu teave põhineb avaldatud teaduslikel uuringutel
