Nitric oxide signaling in aluminum stress in plants.

Nitric oxide signaling in aluminum stress in plants.

Protoplasma (2011-08-19)

Huyi He, Jie Zhan, Longfei He, Minghua Gu

摘要

Nitric oxide (NO) is a ubiquitous signal molecule involved in multiple plant responses to environmental stress. In the recent years, the regulating role of NO on heavy metal toxicity in plants is realized increasingly, but knowledge of NO in alleviating aluminum (Al) toxicity is quite limited. In this article, NO homeostasis between its biosynthesis and elimination in plants is presented. Some genes involved in NO/Al network and their expressions are also introduced. Furthermore, the role of NO in Al toxicity and the functions in Al tolerance are discussed. It is proposed that Al toxicity may disrupt NO homeostasis, leading to endogenous NO concentration being lower than required for root elongation in plants. There are many evidences that pointed out that the exogenous NO treatments improve Al tolerance in plants through activating antioxidative capacity to eliminate reactive oxygen species. Most of the work with respect to NO regulating pathways and functions still has to be done in the future.

材料

货号

品牌

产品描述

11009

Sigma-Aldrich

铝, powder, ≥91% (complexometric)

266558

Sigma-Aldrich

铝, wire, diam. 1.0 mm, 99.999% trace metals basis

518573

Sigma-Aldrich

铝, granular, <1 mm, 99.7% trace metals basis

326852

Sigma-Aldrich

铝, foil, thickness 0.25 mm, 99.999% trace metals basis

266523

Sigma-Aldrich

铝, ReagentPlus^®, beads, 5-15 mm, 99.9% trace metals basis

338788

Sigma-Aldrich

铝, pellets, 3-12 mm, 99.99% trace metals basis

266574

Sigma-Aldrich

铝, foil, thickness 0.45-0.55 mm, 99.999% trace metals basis

310360

Sigma-Aldrich

铝, ACS reagent, 99%, wire, wire diam. ~1.5 mm

326860

Sigma-Aldrich

铝, foil, thickness 0.13 mm, ≥99.99% trace metals basis

326887

Sigma-Aldrich

铝, wire, diam. 0.58 mm, ≥99.99% trace metals basis

GF44675781

铝, rod, 1000mm, diameter 12.7mm, 99%

266957

Sigma-Aldrich

铝, foil, thickness 1.0 mm, 99.999% trace metals basis

326941

Sigma-Aldrich

铝, pellets, 3-8 mesh, ≥99.999% trace metals basis

433705

Sigma-Aldrich

铝, evaporation slug, diam. × L 6.3 mm × 6.3 mm, 99.999% trace metals basis

GF98718935

铝, sphere, 100pcs, diameter 1.0mm, aluminum alloy 2017 precision sphere, grade 200, 95.2%

GF24569602

铝, foam, 150x150mm, thickness 30mm, bulk density 0.2g/cm³, porosity 0.93, aluminum 6101 grade, 98.5%

GF26812043

铝, foam, 150x150mm, thickness 3.2mm, bulk density 0.2g/cm³, porosity 0.93, 16 pores/cm, aluminum 6101 grade, 98.5%

GF94706354

铝, mesh, 150x150mm, nominal aperture 0.38mm, wire diameter 0.25mm, 40x40 wires/inch, open area 37%, plain weave mesh

GF51598761

铝, rod, 200mm, diameter 12.7mm, 99%

GF29732496

铝, tube, 200mm, outside diameter 3.0mm, inside diameter 1.62mm, wall thickness 0.69mm, hard, 99.5%

GF32029444

铝, rod, 100mm, diameter 12.7mm, 99%

GF51278070

铝, honeycomb, 300x300mm, thickness 10mm, cell size 3.2mm, cell wall 0.025mm, core density 0g/cm³, phenolic adhesive (resin), 99.5%

GF64700524

铝, rod, 1000mm, diameter 5.0mm, as drawn, 99.999%

GF95825403

铝, sphere, 100pcs, diameter 3.0mm, aluminum alloy 2017 precision sphere, grade 200, 95.2%

GF63629219

铝, tube, 500mm, outside diameter 1.42mm, inside diameter 1.166mm, wall thickness 0.127mm, as drawn, 99.5%

GF72634103

铝, rod, 50mm, diameter 28mm, as drawn, 99.999%

GF32182534

铝, wire reel, 10m, diameter 0.25mm, as drawn, 99.95+%

GF96312326

铝, honeycomb, 600x600mm, thickness 26.5mm, cell size 6.3mm, cell wall 0.064mm, core density 0.083g/cm³, phenolic adhesive (resin), facing skin carbon fiber / epoxy, 99.9%

GF86830566

铝, mesh, 600x600mm, nominal aperture 0.38mm, wire diameter 0.25mm, 40x40 wires/inch, open area 37%, plain weave mesh

GF02417677

铝, tube, 100mm, outside diameter 0.86mm, inside diameter 0.76mm, wall thickness 0.05mm, as drawn, 99.5%