Biogenic polyamines

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August undefined, 2024

WebDec 22, 2024 · The biogenic polyamines, spermine, spermidine (Spd) and putrescine (Put) are present at micro-millimolar concentrations in eukaryotic and prokaryotic cells (many prokaryotes have no spermine ... WebJul 10, 2024 · Consequently, highly selective sensing is observed for biogenic polyamines, namely, spermine and spermidine, in preference to those containing aromatic moieties. A …

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WebMar 22, 2024 · Therefore, adding the three types of biogenic polyamines successfully improved both cell growth and antibody production in a dose-dependent manner at least up to 5 µM. Interestingly, polyamines between 5 and 15 µM showed the plateau or slight decrease of culture performance such as growth rate and production rate as well as … WebThe polyamines putrescine, spermidine and spermine represent a group of naturally occurring compounds exerting a bewildering number of biological effects, yet despite … tryptophane 500

Catabolism of biogenic amines in Pseudomonas species

WebThey are important metabolic regulatory substances that participate in a variety of physiological and pathological processes, such as promoting cell differentiation, proliferation, and growth, and regulating nucleic acid and protein synthesis. 6 In the metabolic pathway of biogenic polyamines, ornithine is converted to putrescine by ornithine ... WebThe presence of biogenic amines and polyamines in foods and alcoholic beverages is important from both toxicological and technological points of view. High amounts of these compounds can lead to health problems and accurate methods of determination, as well as knowledge on where the compounds originate and how they can be controlled at the … WebThe MOF is shown to serve as an efficient sensory material for detection of hazardous biogenic polyamines by ‘turn-off’ fluorescence quenching with rates (k q s) beyond the … phillip maderia

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WebApr 10, 2024 · Biogenic polyamines, namely spermidine (H 2 N(CH 2) 4 NH(CH 2) 3 NH 2, Spd) and spermine (H 2 N(CH 2) 3 NH(CH 2) 4 NH(CH 2) 3 NH 2, Spm), have been identified as suitable polydentate ligands for both Pt 2+ and Pd 2+ ions, allowing the formation of stable chelates with appropriate kinetic properties , such as the trinuclear … WebDec 22, 2024 · Biogenic polyamines spermine (1,12-diamino-4,9-diazadodecane), spermidine (1,8-diamino-4-azaoctane) and their precursor putrescine (1,4-diaminobutane) represent natural compounds that are present in all cells at millimolar and submillimolar concentrations and are essential growth factors in eukaryotic cells [].However, … phillip magnesiaWebMar 6, 2024 · Biogenic polyamines spermine, spermidine, and their precursor putrescine are low molecular weight compounds that are present in all types of organisms. Cells … tryptophane bio

"WebPolyamines are small organic molecules bearing two or more primary amine moieties. Biogenic polyamines such as spermidine, putrescine and spermine function as transcellular signaling molecules and are involved in diverse biological processes. Although small amounts of polyamines are synthesized in cells, larger quantities are often … " - Biogenic polyamines

Biogenic polyamines

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WebSep 15, 2024 · Pd(II)-compounds are presently regarded as promising anticancer drugs, as an alternative to Pt(II)-based drugs (e.g., cisplatin), which typically trigger severe side-effects and acquired resistance. Dinuclear Pd(II) complexes with biogenic polyamines such as spermine (Pd 2 Spm) have exhibited particularly beneficial cytotoxic properties, hence ... WebJan 8, 2024 · Catabolism of biogenic polyamines Biogenic polyamines (BPA; agmatine, cadaverine, putrescine, spermidine, norspermidine, spermine and norspermine; Fig. 1 ) …

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WebSep 28, 2000 · Biogenic amines and polyamines were measured in unripened cheese and 4 types of ripened cheese. The study included cheeses produced from both pasteurized and raw milks. All amines were lower in … Expand. 147. Save. Alert. Profile of Biogenic Amines in Goat Cheese Made from Pasteurized and Pressurized Milks. WebBiogenic polyamines are found to modulate protein synthesis at different levels. This effect may be explained by the ability of polyamines to bind and influence the secondary structure of tRNA, mRNA, and rRNA. Spermine also helps stabilize nucleic acid helical structure and the conformation of glycated proteins such as the histones. Spermine ...

WebJun 26, 2007 · Biogenic amines (BA; histamine, tyramine, tryptamine, phenylethylamine, cadaverine) and polyamines (PA; putrescine, spermidine, spermine) content was … WebMay 16, 2012 · The presence of biogenic amines and polyamines in foods and alcoholic beverages is important from both toxicological and technological points of view. High …

WebFeb 5, 2014 · Biogenic polyamines accelerated the formation of CaCO3, and we artificially synthesized the dumbbell-shaped calcites, which had the same form as observed with …

WebFeb 1, 2003 · biogenic polyamines, using the available. techniques to study interacting systems (summarized in Table 3). Up to now, the studies aimed to de-scribe details of the DNA-polyamines inter-

WebJul 10, 2024 · Consequently, highly selective sensing is observed for biogenic polyamines, namely, spermine and spermidine, in preference to those containing aromatic moieties. A remarkably low detection limit ... phillip magness bioWebA biogenic amine is a biogenic substance with one or more amine groups. They are basic nitrogenous compounds formed mainly by decarboxylation of amino acids or by … tryptophan e coliWebJan 1, 2003 · Biogenic amines are organic polycations derived from aromatic or cationic amino acids. All of them have one or more positive charges and a hydrophobic skeleton. Nature has evolved these molecules to play different physiological roles in mammals, but maintains similar patterns for their metabolic and intracellular handling. tryptophan effects on bodyWebMar 15, 2016 · Biogenic polyamines are small organic polycations involving in a variety of biological processes. They form high affinity complexes with DNA. Here, we have … phillip magness schoolWebPolyamines MeSH Descriptor Data 2024. Details; Qualifiers; MeSH Tree Structures; Concepts; MeSH Heading Polyamines Tree Number(s) D02.092.782 Unique ID ... Biogenic Amines [D02.092.211] Butylamines [D02.092.264] Catecholamines [D02.092.311] Chloramines [D02.092.348] Cyclohexylamines [D02.092.384] phillip magness facebookPolyamines promote homologous recombination (HR)-mediated double-strand break (DSB) repair. Polyamines enhance the DNA strand exchange activity of RAD51 recombinase. Depletion of polyamines sensitizes cells to genotoxic substances such as ionizing radiation and ultraviolet radiation. See more A polyamine is an organic compound having more than two amino groups. Alkyl polyamines occur naturally, but some are synthetic. Alkylpolyamines are colorless, hygroscopic, and water soluble. Near neutral pH, they … See more Ethyleneamines are a commercially-important class of synthetic polyamines with ethylene (-CH2CH2- linkages); global production capacity was estimated at 385,000 tonnes in … See more Spermidine is synthesized from putrescine, using an aminopropyl group from decarboxylated S-adenosyl-L-methionine (SAM). The reaction is catalyzed by spermidine synthase See more • Polyamines in cell cycle proliferation and cell death • Ornithine Decarboxylase: Expression and regulation in rat brain and in transgenic mice, 2002, Pekka Kilpelainen, Department of Biochemistry, University of Oulu. Extensive review of literature through 2001 on polyamine structure, properties, metabolism in mammals, and physiological and pathophysiological roles (See article Table of Contents) See more Low-molecular-weight linear polyamines are found in all forms of life. The principal examples are the triamine spermidine and the tetraamine See more Although it is known that the biosynthesis of polyamines is highly regulated, the biological function of polyamines is only partly understood. In their cationic ammonium form, they bind to DNA, and, in structure, they represent compounds with cations that are … See more The critical role of polyamines in cell growth has led to the development of a number of agents that interfere with polyamine metabolism. These agents are used in cancer … See more phillip magness twitterWebDec 7, 2024 · Biogenic polyamines are involved in a wide range of plant cellular processes, including cell division, morphogenesis and stress … phillip mainlander reddit