Abstract. The accurate determination of arsenic species is of crucial importance, as more than 100 arsenic (As) compounds with different mobility, toxicity, and chemical forms are present in the soil, plant, and water samples. Due to the toxicology, health, and safety properties, it is crucial to quantitatively measure the As species.

Arsenic is a non-essential metalloid for plants and can be acclimatised in plants to toxic levels. Arsenic acquisition by plants poses serious health risks in human …

Arsenic (As) is one of the most toxic heavy metal pollutants which affects plants, animals, and humans all over the globe; and impose a threat to mankind as it can contaminate the groundwater supply and irrigation system of many countries (Guha and Dasgupta 2011; Milton et al. 2005; Smith et al. 2002; Taylor and Mukherjee 2003).Apart …

1. Introduction. Contamination of air, soil, and water resources with potentially toxic elements (PTEs) is a global environmental issue [1,2].Most of the PTEs are toxic to plants and animals including humans [3,4,5].Among the PTEs, arsenic (As) is considered as one of the most highly toxic and carcinogenic [6,7,8,9].The US Environmental …

Arsenic Uptake and Translocation in Plants. Nannan Li., Jingchao Wang., Won-Yong Song. Plant and Cell Physiology, Volume 57, Issue 1, January 2016, Pages …

Arsenic in Plants. Comprehensive resource detailing the chemistry, toxicity and impact of arsenic in plants, and solutions to the problem. Arsenic in Plants: Uptake, Consequences and Remediation Techniques provides comprehensive coverage of the subject, detailing arsenic in our environment, the usage of arsenicals in crop fields, phytotoxicity of …

Arsenic-tolerant bacterial strains such as Staphylococcus sp. and Brevibacillus sp., when inoculated in rice plants, were found to uptake 30–40 % more …

This review focuses the behaviour of arsenic in plant–soil and plant–water systems, arsenic–plant cell interactions, phytoremediation, and biosorption. Arsenate and arsenite uptake by plants varies in different environment conditions. An eco-friendly and low-cost method for arsenic removal from soil–water system is phytoremediation, in …

There are more than 100 different arsenic with different characteristics in the soil-water-plant ecosystem. The identification and quantification of individual arsenic species is essential for understanding the distribution, environmental fate and behavior, metabolism and toxicity of arsenic. Due to the hazardous nature of arsenic, people have …

Arsenic in soil-plant systems2.1. Sources of arsenic in soil. In lithosphere, As concentration ranges between 1.5 and 2 mg/kg (Adriano, 2001). It is constituent of more than 245 minerals including arsenates (60%) compounds, silicates (20%) and sulfides and sulfosalts (20%) (Mandal and Suzuki, 2002). There are many sources of As in the ...

In this chapter, we provide an overview of our current knowledge of arsenic transport in plants, focusing on arsenic absorption, arsenic resistance mechanisms, …

The role of PCs in arsenic speciation in plants will be considered in more detail in section V. Following the reduction of arsenate to arsenite in plants, arsenic may potentially be further metabolised to methylated species leading to futher oxidative stress (Zaman & Pardini, 1996). Methylation in other organisms is thought to be redox driven ...

Arsenic (As) is a potent toxicant that has influenced plants as well as human health dramatically since ages. The word As is derived from Persian word zarnikh, which means yellow orpiment, and it was adopted by Greeks as arsenikon meaning masculine or potent (Henke 2009).It was discovered by Albert Magnus, a German …

Arsenic is a naturally occurring, semimetallic element widely distributed in the Earth's crust. Arsenic levels in the environment can vary by locality, and it is found in water, air, and soil. There are two general forms of arsenic: Organic arsenic compounds contain carbon. There is no relation between organic arsenic and "organic" food ...

Arsenic (As) uptake by plants is largely influenced by the presence of microbial consortia and their interactions with As. In the coastal region of Bengal deltaic plain of Eastern India, the As-contaminated groundwater is frequently used for irrigation purposes resulting in an elevated level of soil As in agricultural lands. The health hazards ...

In plants, arsenic (As) induces oxidative stress with physiological effects. Moreover, as provokes changes in both primary and secondary metabolism. …

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The analysis here builds on previous research (Davies et al., 2015) that used documentary sources from the Mines Department to estimate total elemental mercury losses from mechanical ore crushing.Sources included annual summaries of mining activity published as Mineral Statistics of Victoria and quarterly reports published as Reports of …

Arsenic exists in both organic and inorganic species and generates toxicity responses in the environment. The available form of As for the plant uptake is As III, As v, MMA and DMA; this section deals with the uptake mechanism of these available form As in plants.. Arsenite; As III uptake – Arsenite presented predominantly as a neutral molecule …

Arsenic (As) contamination is a major problem affecting soil and groundwater in India, harming agricultural crops and human health. Plant growth-promoting rhizobacteria (PGPR) have emerged as promising agents for reducing As toxicity in plants. This study aimed to isolate and characterize As-tolerant PGPR from rice field soils with …

Some authors believe that base concentrations of 10–40 mg kg −1 of arsenic exist in areas where the lithology has no known unnatural sources of contamination (Fitz and Wenzel 2002; Mandal and Suzuki 2002); however, estimates of the average concentration that exists in the pedosphere are only 5–8 mg kg −1 (Matschullat 2000).In …

Sasireka Rajendran, Vinoth Rathinam, Abhishek Sharma, Sugumari Vallinayagam & Madheswaran Muthusamy. 369 Accesses. 1 Citation. Explore all …

Arsenic (As) is harmful to all living organisms, including humans and plants. To limit As uptake and avoid its toxicity, plants employ systems that regulate the uptake of As from the soil and its translocation from roots to grains. Ubiquitination, a highly conserved post-translational modification (PTM) in all eukaryotes, plays crucial roles in ...

Arsenic has long held a position of ambiguity with regard to its activity in biologic systems. In spite of the recognized toxicity of many forms of arsenic, various arsenicals have been used in the practice of medicine. A specific nutritional role for inorganic arsenic has been uncovered only recently, but animal feeds have been supplemented with "growth …

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Arsenic exposure leads to several diseases such as vascular disease, including stroke, ischemic heart disease, and peripheral vascular disease, and also …

A hardy, versatile, fast-growing plant helps to remove arsenic from contaminated soils. Contamination of soils with arsenic, which is both toxic and carcinogenic, is widespread 1. We have...

Arsenic speciation in axenically grown plants. In the three plant species tested and under all treatments, after exposure to arsenate only iAs was detected in plant tissues, with no evidence of the presence of methylated species (Figs 1, S1). Similar results were obtained for rice when supplied with 10 μM arsenite (Fig. S2), and when different ...

This method works even better, reducing arsenic in brown rice by 50% and white rice by 75%. Boil 4 cups of water to every 1 cup of rice you'll be cooking. Add raw rice to the boiling water and boil for 5 …

In the environment, arsenic possibly interacts with iron, phosphorus, sulfur, and silicon and is considered vital. Involvement of iron in the arsenic biogeochemical cycle, with iron oxyhydroxides interact with root areas of wetland plants or soil particulate surfaces and serve as adsorbents for arsenic [].Under a reducing environment, adsorbed arsenic …