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Phytochelatins play key roles for the difference in root arsenic accumulation of different Triticum aestivum cultivars in comparison with arsenate uptake kinetics and reduction.

Chemosphere. 2017; 
Shi GL, Lou LQ, Li DJ, Hu ZB, Cai QS.
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ORF cDNA Clones/MolecularCloud Diethylenetriaminepentaacetic acid (DTPA, ≥ 99%) was purchased from Nanjing Reagent (Nanjing, China). PC2(≥98%), PC3 (≥98%), and PC4 (≥98%) were obtained from GenScript Co. (Nanjing, China). Get A Quote

摘要

In the previous studies, we have found that arsenic (As) accumulation in roots of bread wheat (Triticum aestivum L.) seedlings were significantly different among different wheat cultivars, and As(V) tolerant wheat cultivars have much higher capacities of root As accumulation. However, the reason for the difference remains unclear. Four wheat cultivars with high (MM45 and FM8) or low (QF1 and HM29) levels of arsenic (As) accumulation were selected to investigate the relationship between root As(V) uptake kinetics and root As accumulation. MM45 and HM29 were also used to examine As(V) reduction ability and non-protein thiol (cysteine [Cys], glutathione [GSH], and phytochelatins [PCs]) concentrations in wheat seed... More

关键词

Arsenate reduction; Arsenic; Non-protein thiols; Triticum aestivum; Uptake kinetics