lanthanum/oryza sativa

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Ameliorative Effects of Lanthanum(Ⅲ) on Copper(Ⅱ) Stressed Rice (Oryza Sativa) and Its Molecular Mechanism Revealed by Transcriptome Profiling

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Rare earth elements are known to alleviate heavy metal stress. However, the potential mechanisms of the alleviation remain unclear. This study compared the effects of La(NO₃)₃ and La(NO₃)₃-amino acid chelates (La (Ⅲ)-AA) on growth, oxidative stress,

Effects of lanthanum and silicon stress on bio-sequestration of lanthanum in phytoliths in rice seedlings.

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Plant phytoliths are important for silicon (Si) cycling in natural ecosystems; however, their role in lanthanum (La) sequestration in plants is still unclear. In the present study, we elucidated the mechanism of La-induced damage to the growth of rice (Oryza sativa L.) seedling from the viewpoint of

Effects of lanthanum and acid rain stress on the bio-sequestration of lanthanum in phytoliths in germinated rice seeds.

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REEs in the environment can be absorbed by plants and sequestered by plant phytoliths. Acid rain can directly or indirectly affect plant physiological functions. Currently, the effects of REEs and acid rain on phytolith-REEs complex in plants are not yet fully understood. In this study, a

Calcium signaling-mediated and differential induction of calmodulin gene expression by stress in Oryza sativa L.

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Ca(2+)/calmodulin transduction pathways have been implicated in mediating stress response and tolerance in plants. Here, three genes encoding calmodulin (Cam) members of the EF-hand family of Ca(2+)-binding proteins were identified from Oryza sativa L. databases. Complementary DNA for each of the

Changes in lipid peroxidation, the redox system and ATPase activities in plasma membranes of rice seedling roots caused by lanthanum chloride.

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Highly purified plasma membranes were isolated by aqueous two-phase partitioning from rice (Oryza sativa) seedling roots. The effects of lanthanum chloride (LaCl3) on the activities of lipid peroxidation, the redox system and H+-ATPase, Ca2+-ATPase of plasma membranes were studied. The lipid

Combined effects of simulated acid rain and lanthanum chloride on chloroplast structure and functional elements in rice.

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Acid rain and rare earth element (REE) pollution exist simultaneously in many agricultural regions. However, how REE pollution and acid rain affect plant growth in combination remains largely unknown. In this study, the combined effects of simulated acid rain and lanthanum chloride (LaCl3) on

A novel water-based chitosan-La pesticide nanocarrier enhancing defense responses in rice (Oryza sativa L) growth.

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To relieve the environmental pressure from overusing conventional pesticides formulations, the study of a new environmentally friendly and multifunctional formulation is so very urgent. Here, we firstly reported a lanthanum-modified chitosan oligosaccharide nanoparticles (Cos-La) prepared by a

Transport of assimilates in the developing caryopsis of rice (Oryza sativa L.) : The pathways of water and assimilated carbon.

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The movement of water in the dorsal region of the developing rice caryopsis was studied using solutions of the heavy metals lanthanum and uranium. In the electron microscope electron-opaque deposits were confined to the cell walls of the pigment strand indicating that this is the main route for the

Lanthanum regulates the reactive oxygen species in the roots of rice seedlings.

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In this study, the effects of La(3+) on the reactive oxygen species (ROS) and antioxidant metabolism were studied in the roots of rice (Oryza sativa L. cv Shengdao 16) exposed to increasing concentrations of La(3+) (0.05, 0.1, 0.5, 1.0, and 1.5 mM). The level of hydrogen peroxide, superoxide anion,

Microcalorimetric investigation on metabolic activity and effects of La (III) in mitochondria isolated from indica rice 9311.

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Thermogenic metabolic curves were determined by the ampoule method at 303 K using a TAM air isothermal microcalorimeter in mitochondria isolated from rice 9311 (Oryza sativa L). From the thermogenic curves the activity recovery rate constant k and the maximum heat power Pm were obtained. Both were

Up-regulation of a magnesium transporter gene OsMGT1 is required for conferring aluminum tolerance in rice.

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Magnesium (Mg)-mediated alleviation of aluminum (Al) toxicity has been observed in a number of plant species, but the mechanisms underlying the alleviation are still poorly understood. When a putative rice (Oryza sativa) Mg transporter gene, Oryza sativa MAGNESIUM TRANSPORTER1 (OsMGT1), was knocked

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