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nitrate/oryza sativa
Povezava se shrani v odložišče
Stran 1 iz 131 rezultatov
[Effect of free-air CO2 enrichment (FACE) on leaf nitrate reductase activity of Oryza sativa L. cultivar Wuxianjing 14].
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With the target CO2 concentration of FACE plots being 200 micromol x mol(-1) above that in ambient air, this paper studied the effect of free-air CO2 enrichment (FACE) on leaf nitrate reductase activity (NRA) of Oryza sativa L. cultivar Wuxianjing 14. The results showed that FACE obviously increased
2'-Deoxymugineic acid promotes growth of rice (Oryza sativa L.) by orchestrating iron and nitrate uptake processes under high pH conditions.
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Poaceae plants release 2'-deoxymugineic acid (DMA) and related phytosiderophores to chelate iron (Fe), which often exists as insoluble Fe(III) in the rhizosphere, especially under high pH conditions. Although the molecular mechanisms behind the biosynthesis and secretion of DMA have been studied
Ontogenetic Variation of Nitrogenase, Nitrate Reductase, and Glutamine Synthetase Activities in Oryza sativa.
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The relationship between the rates of nitrogenase, nitrate reductase, and glutamine synthetase activities, and plant ontogeny in rice (Oryza sativa L.), cultivar ;M9', grown in salt marsh sediment with and without nitrate treatment was studied. In both treatments, nitrogenase activity measured as
Chloroplast downsizing under nitrate nutrition restrained mesophyll conductance and photosynthesis in rice (Oryza sativa L.) under drought conditions.
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The phenomenon whereby ammonium enhances the tolerance of rice seedlings (Oryza sativa L., cv. 'Shanyou 63' hybrid indica China) to water stress has been reported in previous studies. To study the intrinsic mechanism of biomass synthesis related to photosynthesis, hydroponic experiments supplying
Nitrate deficiency decreased photosynthesis and oxidation-reduction processes, but increased cellular transport, lignin biosynthesis and flavonoid metabolism revealed by RNA-Seq in Oryza sativa leaves
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Rice cultivar "Weiyou916" (Oryza sativa L. ssp. Indica) were cultured with control (10 mM NO3-) and nitrate deficient solution (0 mM NO3-) for four weeks. Nitrogen (N) deficiency significantly decreased the content of N and P, dry weight (DW) of the shoots and roots, but increased the ratio of root
Transcriptomic and network analyses reveal distinct nitrate responses in light and dark in rice leaves (Oryza sativa Indica var. Panvel1)
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Nitrate (N) response is modulated by light, but not understood from a genome-wide perspective. Comparative transcriptomic analyses of nitrate response in light-grown and etiolated rice leaves revealed 303 and 249 differentially expressed genes (DEGs) respectively. A majority of them were exclusive
A comparison of nitrate transport in four different rice (Oryza sativa L.) cultivars.
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As rice can use both nitrate (NO(3)(-)) and ammonium (NH(4)(+)), we have tested the hypothesis that the shift in the pattern of cultivars grown in Jiangsu Province reflects the ability of the plants to exploit NO(3)(-) as a nitrogen (N) source. Four rice cultivars were grown in solution culture for
A comparison of nitrate transport in four different rice (Oryza sativa L.) cultivars.
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As rice can use both nitrate (NO3-) and ammonium (NH4+), we have tested the hypothesis that the shift in the pattern of cultivars grown in Jiangsu Province reflects the ability of the plants to exploit NO3- as a nitrogen (N) source. Four rice cultivars were grown in solution culture for comparison
High-affinity nitrate uptake by rice (Oryza sativa) coleoptiles.
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Nitrate uptake by rice coleoptiles was evaluated using ¹⁵N-nitrate in relation to the expression of high-affinity nitrate uptake-related genes, OsNRT2s (OsNRT2.1-2.4) and OsNAR2s (OsNAR2.1 and 2.2). Apparent nitrate uptake by coleoptiles was about one-sixth of that by hydroponically cultured
Nitrate reductase of rice (Oryza sativa L.) under foot-rot disease.
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Studies reported here reveal a low nitrate reductase activity in the shoots of MTU 9 rice plants while in roots high enzyme activity has been recorded.Under pathogenesis, a low nitrate reductase activity in the roots and a high enzyme activity in the shoots have been recorded in susceptible rice
Effect of fluoride on in vivo nitrate reduction in the rive leaves (Oryza sativa L.).
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Fluoride had no effect on in vitro nitrate reductase activity in rice leaves, but in vivo activity was strongly inhibited. It is suggested that fluoride brings about this inhibition by adversely affecting the physiological NADH generating system required for in vivo nitrate reduction.
Characterization of a rice (Oryza sativa L.) mutant deficient in the heme domain of nitrate reductase.
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Biochemical and genetical characterization of a rice nitrate reductase (NR)-deficient mutant, M819, which had been isolated as a chlorate-resistant mutant, was carried out. In M819, leaf NADH-NR activity was found to be about 10% of that of the wild-type cv 'Norin 8', while NADPH-NR activity was
Enhanced Salt Tolerance under Nitrate Nutrition is Associated with Apoplast Na+ Content in Canola (Brassica. napus L.) and Rice (Oryza sativa L.) Plants.
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To analyze the effect of nitrogen form on salt stress, we studied the response of two different plant species, canola (Brassica napus L.), a dicotyledon which prefers NO3- nutrition, and rice (Oryza sativa L.), a monocotyledon which prefers NH4+ nutrition, to salt stress under NO3- (NN) and NH4+
Nitrate inhibits the remobilization of cell wall phosphorus under phosphorus-starvation conditions in rice (Oryza sativa).
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UNASSIGNED
NO3- not only inhibited the reutilization of cell wall P via decreasing root cell wall pectin content and PME activity, but also hampered the P translocation from root to shoot. The rice cultivars 'Kasalath' (Kas) and 'Nipponbare' (Nip) were used to demonstrate that the nitrogen source
Effect of certain chemical fertilizers on the rhizosphere myco-flora of Oryza sativa. I. Nitrogenous fertilizers: ammonium nitrate and urea.
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