نتایج جستجو برای: nitrate transporter
تعداد نتایج: 82030 فیلتر نتایج به سال:
Nine tris-urea receptors (L(1)-L(9)) have been synthesised and shown to coordinate to a range of anionic guests both by (1)H NMR titration techniques and single crystal X-ray structural analysis. The compounds have been shown to be capable of mediating the exchange of chloride and nitrate and also chloride and bicarbonate across POPC or POPC : cholesterol 7 : 3 vesicle bilayer membranes at low ...
Arabidopsis thaliana mutants deficient for the NRT1.1 NO(3)(-) transporter display complex phenotypes, including lowered NO(3)(-) uptake, altered development of nascent organs, and reduced stomatal opening. To obtain further insight at the molecular level on the multiple physiological functions of NRT1.1, we performed large-scale transcript profiling by serial analysis of gene expression in the...
We aimed her mainly to evaluate the contribution of newly employed bromate selection system, in obtaining new Aspergillus niger nitrate/nitrite assimilation defective mutants, through Ultraviolet treatment (UV), 1, 2, 7, 8-Diepoxyoctane (DEO), phenols mixture (Phx)) and spontaneous treatments. The newly employed bromate selection system was able to specify only two putative novel mutant types d...
Molybdenum (Mo) is a micronutrient essential for plant growth, as several key enzymes of plant metabolic pathways contain Mo cofactor in their catalytic centres. Mo-containing oxidoreductases include nitrate reductase, sulphite oxidase, xanthine dehydrogenase, and aldehyde oxidase. These are involved in nitrate assimilation, sulphite detoxification, purine metabolism or the synthesis of abscisi...
لکه برگی آلترناریایی یکی از مهم ترین بیماری های قارچی گیاهان خانواده چلیپائیان است که همه ساله تولید این گیاهان را از نظر کمی و کیفی تحت تاثیر قرار می دهد. این بیماری در اغلب مناطق دنیا توسط سه گونه بذر زاد از قارچ آلترناریا به نام های alternaria brassicae ، brassicicola . aوa. raphani ایجاد می شود. آلودگی به وسیله این بیمارگرها عامل مهمی در کاهش جوانه زنی بذر به حساب می آید. گونه a. brassicae ...
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Common to all of the nitrate nitrite porter family are two conserved motifs in transmembrane helices 5 and 11 termed NS (nitrate signature) 1 and NS2. Although perfectly conserved substrate-interacting arginine residues have been described in transmembrane helices 2 and 8, the role of NSs has not been investigated. In the present study, a combination of structural modelling of NrtA (nitrate tra...
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