Journal Article10.1016/J.ENVINT.2005.02.003
Chromium toxicity in plants.
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TL;DR: The potential of plants with the capacity to accumulate or to stabilize Cr compounds for bioremediation of Cr contamination has gained interest in recent years.
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About: This article is published in Environment International. The article was published on 01 Jul 2005. The article focuses on the topics: Chromium toxicity.
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Citations
Sources, impacts, factors affecting Cr uptake in plants, and mechanisms behind phytoremediation of Cr-contaminated soils.
Sadeeq Ullah,Qingling Liu,Shiyong Wang,Amin Ullah Jan,Hafiz M. Adeel Sharif,Allah Ditta,Gang Wang,Hefa Cheng +7 more
TL;DR: Chromium contamination in soils affects human health and the environment, but phytoremediation offers a promising solution, utilizing over 400 hyperaccumulator plant species to remediate Cr-contaminated soils through various mechanisms, including phytoextraction and phytostabilization.
Unraveling genes promoting ROS metabolism in subcellular organelles of Oryza sativa in response to trivalent and hexavalent chromium
TL;DR: The results indicated that the production of ROS induced by Cr(III, VI) was concentration-dependent, Cr-specific and tissue-specific, and new insight into the roles of antioxidant enzymes in ROS metabolism at subcellular levels under Cr exposure is provided.
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Alleviation of chromium toxicity in rice seedlings by applying exogenous glutathione
TL;DR: It may be concluded that the alleviation of Cr(6+) toxicity by exogenous GSH is directly attributed to its regulation on forms of Cr ions in rhizosphere and their distribution at subcellular levels.
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The transfer of heavy metals to barley plants from soils amended with sewage sludge with different heavy metal burdens
TL;DR: In this paper, the authors evaluated the transfer of heavy metals to barley roots and shoots and the occurrence of restriction mechanisms as function of soil type and for different heavy metal concentration scenarios.
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Hydrogen ions and organic acids secreted by ectomycorrhizal fungi, Pisolithus sp1, are involved in the efficient removal of hexavalent chromium from waste water.
TL;DR: The results of this study provide a strong basis for using Cr( VI)-tolerant and Cr(VI)-reducing fungi, as well as ectomycorrhiza, in the remediation of Cr(vi)-contaminated sites.
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References
The Physiology of Metal Toxicity in Plants
TL;DR: Aluminum toxicity is discussed in this paper, including general effects (symptoms and physiological effects), differential aluminum tolerance in plants, beneficial effects of aluminum, and the genetic control of aluminum tolerance.
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Chromium occurrence in the environment and methods of its speciation.
J. Kotaś,Z. Stasicka +1 more
TL;DR: It is demonstrated that knowledge of interconversion processes between different Cr forms is necessary to understand its behaviour and role in the environment, in addition to enabling reliable Cr speciation analysis to be performed.
1.7K
Phytoremediation of soil metals
TL;DR: Little molecular understanding of plant activities critical to phytoremediation has been achieved, but recent progress in characterizing Fe, Cd and Zn uptake by Arabidopsis and yeast mutants indicates strategies for developing transgenic improved phytOREmediation cultivars for commercial use.
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Interactions of chromium with microorganisms and plants
Carlos Cervantes,Jesús Campos-García,Silvia Devars,Félix Gutiérrez-Corona,Herminia Loza-Tavera,Juan Carlos Torres-Guzmán,Rafael Moreno-Sánchez +6 more
TL;DR: The interactions of bacteria, algae, fungi and plants with Cr and its compounds are summarized and proposed as potential biotechnological tools for the bioremediation of Cr pollution.
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