نتایج جستجو برای: biosynthesis
تعداد نتایج: 73081 فیلتر نتایج به سال:
Pseudomonas putida KT2440 is a non-pathogenic prototrophic bacterium with high potential for biotechnological applications. Despite all that is known about this strain, the biosynthesis of essential chemicals has not been fully analysed and auxotroph mutants are scarce. We carried out massive mini-Tn5 random mutagenesis and screened for auxotrophs that require aromatic amino acids. The biosynth...
Occurrence of aflatoxins in crops has vast impacts on human health. Therefore, the study of aflatoxin biosynthesis has become important. Previous studies have shown that the aflatoxin biosynthesis gene cluster and several genes, enzymes, and regulatory elements are involved in aflatoxin biosynthesis; however, the intricate metabolic regulatory networks of aflatoxin synthesis remain unclear. Rap...
Biosynthesis of Silver Nanoparticles Using Hydroethanolic Extract Cucurbita pepo L. Fruit and Their Anti-proliferative Apoptotic Activity Against Breast Cancer Cell Line (MCF-7)
Background and Objectives: Considering the alarming spread of resistance to classic antimicrobial agents, innovative therapeutic approaches to combat antibiotic-resistant pathogens, like the compounds derived from plants and nanoparticles, seems necessary. This study was conducted to investigate the antibacterial effect of biosynthetic silver nanoparticles using Glycyrrhiza glabra and Mentha pi...
Yellowhorn (Xanthoceras sorbifolium) seeds can have as high 67% oil content and are especially rich in oleic acid, linoleic nervonic acid. Exploration of the lipid biosynthesis regulatory network is essential for increasing yellowhorn content. Long non-coding RNAs (lncRNAs) play important roles various plant biological processes; however, there no report on identification lncRNAs involved seed ...
nitric oxide (no) is an important signalling molecule with diverse physiological functions inplants. in the last years, many advances have been obtained regarding no synthesis and its physiologicaleffects in plants. it was found to play a crucial role in plant growth and development, starting fromgermination to flowering, ripening of fruit and senescence of organs, respiratory metabolism, as we...
Tetrapyrroles such as chlorophylls and bacteriochlorophylls play a fundamental role in the energy absorption and transduction activities of photosynthetic organisms. Because of these molecules, however, photosynthetic organisms are also prone to photooxidative damage. They had to evolve highly efficient strategies to control tetrapyrrole biosynthesis and to prevent the accumulation of free inte...
Silver is composed of a large percentage of silver oxide due to their large ratio of surface to bulk silver atoms. Silver nanoparticles have been a potent antibacterial, antifungal, anti-viral and anti-inflammatory agent. A simple, eco-friendly, inexpensive biosynthetic method was employed to synthesize silver nanoparticles. The present study aimed at the comparative study of silver nanopartic...
The metabolism of glutamate into ornithine, arginine, proline, and polyamines is a major network of nitrogen-metabolizing pathways in plants, which also produces intermediates like nitric oxide, and γ-aminobutyric acid (GABA) that play critical roles in plant development and stress. While the accumulations of intermediates and the products of this network depend primarily on nitrogen assimilati...
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