نتایج جستجو برای: secondary metabolites

تعداد نتایج: 351948  

Objective: The growing resistance of different bacteria to antibiotic chemical drugs have become the global issue. This investigation is the first study of the antimicrobial activity of the essential oil of flowering aerial parts of Vaccinium arctostaphylos. The current research was conducted to evaluate the antibacterial effects of essential oils and hydroalcoholic extract  extracted ...

This experiment was conducted in Ferdowsi University of Mashhad, in 2011 to investigate the allelopathic potential of 68 medicinal and wild plant species belong to 19 plant families grown in Iran. Results showed that among examined plants, stigma and style of Crocus sativus,leaves of Artemisia kopetdaghensis, Mentha piperita, Zhumeria majdae, Frulago subvelutina, flowers bud of Eugenia caryophy...

Objective: The growing resistance of different bacteria to antibiotic chemical drugs have become the global issue. This investigation is the first study of the antimicrobial activity of the essential oil of flowering aerial parts of Vaccinium arctostaphylos. The current research was conducted to evaluate the antibacterial effects of essential oils and hydroalcoholic extract  extracted ...

Background and Aim: Prevalence of drug resistance in Candida albicans hinders common treatments with conventional antifungal drugs. A stockpile of research is being done to discover novel antifungal drugs. Chitosan has emerged as a promising antimicrobial and biodegradable polymer with various medical applications. The significant antimicrobial potential of some of the secondary metabolites fro...

Journal: :Planta medica 2015
Fabrizio Dal Piaz Stefania Terracciano Nunziatina De Tommasi Alessandra Braca

Hsp90 is an evolutionarily conserved adenosine triphosphate-dependent molecular chaperone and is one of the most abundant proteins in the cells (1-3 %). Hsp90 is induced when a cell undergoes various types of environmental stresses such as heat, cold, or oxygen deprivation. It is involved in the turnover, trafficking, and activity of client proteins, including apoptotic factors, protein kinases...

2015
P. Pushpangadan Ravi Nagar

Inflammation is the body’s natural response to harmful stimuli arising in tissue in response to traumatic, infectious, post-ischemic, toxic or autoimmune injury. The resolution inflammation requires the termination of pro-inflammatory signaling pathways and clearance of inflammatory cells allowing the restoration of normal tissue functions. Non-steroidal anti-inflammatory drugs (NSAIDs) are the...

2012
Patrícia M.G. Paiva Thiago H. Napoleão Roberto A. Sá

Proteins are polymers of amino acids (molecules containing an amino group, a carboxylic group and a hydrophobic or hydrophilic side chain) present in all organisms. Apolar, polar uncharged and electrically charged amino acids are covalently linked through peptide bonds (amide bonds) and the sequence they form in the polypeptide chain (primary structure) determines the tertiary or quaternary str...

2017
Teodora Dzhambazova Violeta Kondakova Ivan Tsvetkov Rossitza Batchvarova

2016
Sašo Jančič Jens C Frisvad Dragi Kocev Cene Gostinčar Sašo Džeroski Nina Gunde-Cimerman

The food- and airborne fungal genus Wallemia comprises seven xerophilic and halophilic species: W. sebi, W. mellicola, W. canadensis, W. tropicalis, W. muriae, W. hederae and W. ichthyophaga. All listed species are adapted to low water activity and can contaminate food preserved with high amounts of salt or sugar. In relation to food safety, the effect of high salt and sugar concentrations on t...

Microorganisms are important components of soil. Some soil filamentous fungi such asPenicilium produce many bioactive small molecules, or secondary metabolites, that range frombeneficial bioactive compounds to harmful toxins. In this study, the metabolites of threepenicillium species (P. goditanum, P. moldavicum and P. corylophilum) were extracted byadding ethyl acetate to liquid cultures. The ...

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