1. Introduction. The relatively high concentration of nitrogen in secondary effluent of wastewater treatment plants (WWTPs) is gaining ever-increasing attention considering its potential contribution to the "algae bloom" of the receiving rivers and lakes (Guo et al., 2023).Accordingly, some stricter local and/or national standards are enacted …
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Overview of plant iron metabolism. Iron is highly abundant in soil, but most iron is bound in oxidized and insoluble ferric forms, which are biologically inactive . Consequently, the concentration of free iron in most soils is estimated at 10 −15 to 10 −17 m, far below what is required for optimal plant growth, 10 −9 to 10 −4 m ...
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To cope with iron oxidative stress, plants have developed defense systems involving the complementary action of antioxidant enzymes and molecular antioxidants, …
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Although a recent study showed that ecologically relevant size and concentration of CdONPs could activate secondary metabolism in barley plants (Večeřová et al., 2016), it is difficult to generalize the impact of NPs on plant secondary metabolism in the environmental perspective. However, it is necessary to improve our …
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Importantly, in addition to having a direct effect on plant growth and biomass accumulation via the photosynthetic process, elevated CO 2 concentrations also induce the reallocation of secondary metabolites (intermediates) that may participate in the synthesis of signaling molecules such as salicylic acid (SA) and jasmonic acids (JA) …
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1. Introduction. Micronutrients play a central role in plant metabolism maintenance, growth and production, stress tolerance and disease resistance (Shahzad and Amtmann, 2017) Micronutrients like copper (Cu), manganese (Mn), Iron (Fe), and Zinc (Zn) are essential for plants at an optimal concentration.However, they are toxic at …
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Iron nutrition in plants: an overview Juan J. Lucena & Lourdes Hernandez-Apaolaza Received: 18 May 2017/Accepted: 12 June 2017/Published online: 25 June 2017 ... which originate from the secondary metabolism. The release of phenolic compounds, was ascribed as a tool ... This was related with a higher Fe concentration in trans-genic …
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1. Introduction. Iron (Fe) is an essential nutrient for plants, required for vital processes like respiration and photosynthesis, and playing a fundamental role in electron transfer and reversible redox reactions (Kim and Guerinot Citation 2007; Balk and Schaedler Citation 2014).. Although Fe is a constituent of approximately 5% of Earth's …
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1. Introduction. Plant growth and development requires essential minerals and nutrients. The morphological and physiological features of plants are defined by the specific role of each nutrient, because they are associated with various fundamental metabolic processes (Saito and Uozumi, 2020; de Bang et al., 2021).However, the …
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This review article explains how plants regulate Fe uptake, transport, and loading from the soil to the seeds, and how the microbiota in the rhizosphere influences …
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Iron oxide nanoparticles (IONPs) are particles of iron oxide with diameters ranging from 1 to 100 nm that have application in various field, they could compose of either magnetite (Fe3O4) or maghemite (y-Fe2O3). IONPs can be synthesized using extract of different plant parts such as leaves, stems, bark, flowers, seed fruits or it waste. The …
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This review article summarizes the role of signalling molecules in iron homeostasis in plants that grow at pH 6.0-7.5 and have limited access to Fe 2+. It also …
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In vitro, plant cell cultures have emerged as a promising and sustainable method for producing valuable and economically important metabolites in a controlled environment. To enhance metabolite yield, there is a need for strategies involving the addition of elicitors to plant cell culture media. Recent studies explored the potential of …
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Although abundant in soils, iron (Fe) is poorly bioavailable for plants. Improving Fe uptake in crops, enabling them to grow in Fe-depleted soils, has become a major focal interest. The secretion of Fe …
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Inoculation resulted in higher concentrations of foliar nitrogen, especially in pioneer species. In all treatments, the secondary species exhibited iron values considered phytotoxic, but showed reduced photosynthetic capacity only when inoculated. The highest concentrations of MDA were observed in inoculated plants of both successional groups.
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zinc (Zn), iron (Fe), Manganese (Mn), copper (Cu), boron (B), and chloride (Cl). Calcium and Magnesium . Plant uptake, cation adsorption and desorption in soil, leaching from rainfall and irrigation, and weathering of minerals all contribute to the concentration of water soluble Ca and Mg available to meet tree nutritional needs.
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The Iron (Fe)-Mobilizing Coumarin Biosynthesis Pathway in Arabidopsis thaliana Roots. Fe-mobilizing coumarins are secondary metabolites displaying a …
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Zinc and iron oxide NPs at 100 ppb concentrations significantly increased the production of hypericin and hyperforin in cell suspension cultures of Hypericum perforatum ... By this technique plant secondary metabolites may be nano-harvested as conjugates directly from living plant cells using surface-modified NPs, without damaging …
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In plants, iron is also required for photosynthesis and chlorophyll synthesis. The availability of iron in soils dictates the distribution of plant species in natural ecosystems and limits yield and nutritional quality of crops. ... The free iron concentration drastically increases with decreasing redox potential, as it is the case for instance ...
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1. Introduction. Wetland is a transitional zone between terrestrial ecosystem and aquatic ecosystem, playing vital roles in nutrients cycling, improving water quality and wastewater remediation (Khan et al., 2016).As a sophisticated technology involving physical, chemical and biological processes of plants, substrates and microorganisms, …
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Secondary metabolites (SMs) are biologically active compounds that have a very high commercial value due to their invaluable medicinal properties. However, the production level in in-vivo and in-vitro cultures remains low to meet the commercial demands. To overcome this problem, nano-elicitation has emerged as a novel and …
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Siderophores are synthesized and secreted by many bacteria, yeasts, fungi, and plants for Fe (III) chelation. A variety of plant-growth-promoting bacteria (PGPB) colonize the rhizosphere and contribute to iron assimilation by plants. These microorganisms possess mechanisms to produce Fe ions under iron-deficient conditions.
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In wheat plant Ag NPs application showed a protective effect against heat stress led to an improvement of 5 and 5.4% in root length, 22.2% and 26.1% in shoot length, 1.3% and 2% in plant fresh weight and 0.36% and 0.60% in plant dry weight at concentration of 50 and 75 mg L − 1, respectively
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Overview of plant iron metabolism. Iron is highly abundant in soil, but most iron is bound in oxidized and insoluble ferric forms, which are biologically inactive (31). Consequently, the concentration of free iron in most soils is estimated at 10 −15 to 10 −17 m, far below what is required for optimal plant growth, 10 −9 to 10 −4 m (32 ...
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The authors show that in plants starved of iron, two key proteins for iron uptake — an enzyme called FRO2 and the iron-transporter protein IRT1 — are not induced in the presence of flg22 (Fig. 1).
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Strikingly, iron concentration in quinoa grains was increased up to 71% by the combined application of biochar and PsJN. Moreover, plant physiological parameters were also improved significantly by the …
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A new biochemical pH-stat hypothesis that revised the classic hypothesis is presented to understand the metabolic regulation of intracellular pH in plant cells. Alternative pathway glycolysis, alternative pathway respiration and malate-derived lactic and alcoholic fermentation (alternative pathway f …
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The higher concentrations of Cr, Cd and Pb at Fasina suggest that fumes from the secondary iron smelting company, which is the source of air pollution in the area, are probably already impacting on the soil either by direct deposition on the soil or by forming acid rain on the soils, although the concentrations are still within the …
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Zinc and iron oxide NPs at 100 ppb concentrations significantly increased the production of hypericin and hyperforin in cell suspension cultures of Hypericum perforatum ... By this technique plant secondary metabolites may be nano‐harvested as conjugates directly from living plant cells using surface‐modified NPs, without damaging …
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Therefore, 1.92 µg pot −1 additional iron from HSAL increased the total iron concentration in the growth medium by 0.05% HSAL, which does not account for the increase in total plant iron of 27. ...
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Under both iron-deficient and iron-supplied conditions, MT increased the content of photosynthetic pigments in peach leaves and decreased the concentrations of pectin, hemicellulose, cell wall ...
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EPA has established National Primary Drinking Water RegulationsLegally enforceable standards that apply to public water …
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This review, therefore, also discussed the potential manoeuvres that can be deployed to synthesis plant secondary metabolites at the large-scale using plant cell, tissue, and organ cultures. ... Plant species Concentration of jasmonate used Effect of elicitation on gene expression ... Iron and methyl jasmonate increase high-value PUFA ...
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