Cadmium is a major toxic heavy-metal pollutant considering their bioaccumulation potential and persistence in the environment. The hyperaccumulating ecotype of Sedum alfredii Hance is a Zn/Cd co-hyperaccumulator inhabiting in a region of China with soils rich in Pb/Zn. Investigations into the underlying molecular regulatory mechanisms of Cd tolerance are of substantial interest. Here, library s...

Arsenic is considered as one of the most important environmental contaminant elements. Some plant species can grow in arsenic contaminated soils and they are able to reduce arsenic toxicity. In this study, a hydroponic experiment was conducted on Isatis cappadocica, a newly-discovered As hyperaccumulator. Accordingly, we conducted this experiment to compare the interaction of effect of arsenic ...

Arsenate interferes with enzymatic processes and inhibits inorganic phosphorus (Pi) uptake in many plants. This study examined the role of phytase and phosphatase in arsenate tolerance and phosphorus (P) acquisition in the arsenic hyperaccumulator Pteris vittata . Enzyme-mediated hydrolysis of phytate in P. vittata extracts was not inhibited by arsenate at 5 mM or by heating at 100 °C for 10 mi...

The development of an effective and green bioinsecticide is a research hotspot. This study demonstrated the possibility using arsenic (As) hyperaccumulator as bioinsecticide. When As concentration in Pteris vittata fronds exceeded 138 mg kg?1, larva hawk moth (Theretra clotho) displayed apparent preference to lower-As-concentration P. fronds. body was high 850 kg?1. Such might have been case th...

Soil and air pollution are main problems posing a serious threat to human health. Traditional physical chemical soil remediation methods affect the ecosystem rather costly. Since purpose of is not only remove pollutants but also restore health, method phytoremediation becoming extremely relevant. Phytoremediation an environmentally friendly natural process removing from environment. Cleaning up...

Effectively dealing with hazardous and recalcitrant pollutants such as heavy metals (HMs) has become a global challenge limited options available for reprieve. This is true Pacific Island Countries Territories (PICTs) which have witnessed significant economic transitions substantial increases waste depositions. Although several physico-chemical remediation techniques exist, the geographic limit...

The characterization of prospective plants is one the critical issues in efficiency and success phytoremediation process. Due to adaption tolerance different environmental stresses, native plant species have priority this method. This study examined fifty five species, namely Launaea acanthodes, Artemisia sp., Cousinia congesta, Peganum harmala, Stipa growing near a smelter refinery Iran identi...

Hoagland solution was used to determine the root morphology properties of Rorippa globosa (Turcz.) Thell. and Rorippa palustris (Leyss.) Bess. Under the conditions of Cd spiked at 2.5 and 5 mg kg(-1), R. globosa showed all hyperaccumulative characteristics and was a Cd-hyperaccumulator. In contrast, R. palustris was a non-hyperaccumulator. The total root lengths, total root surface areas and to...

Zinc (Zn) is an essential plant micronutrient but is toxic in excess. To cope with excess Zn, plant species possess a strict metal homeostasis mechanism. The Zn hyperaccumulator Arabidopsis halleri has developed various adaptive mechanisms involving uptake, chelation, translocation and sequestration of Zn. In this mini review, we broadly discuss the different Zn tolerance mechanisms and then fo...