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Improved cadmium uptake and accumulation in the

Organic acid has been suggested to be involved in toxic metallic element tolerance translocation and accumulation in plants The impact of exogenous organic acids on cadmium (Cd) uptake and translocation in the zinc (Zn)/Cd co-hyperaccumulator Sedum alfredii was investigated in Get price


Comparative study of Cd uptake and tolerance of two

and low Cd tolerance during seed germination respectively were selected However the underlying mechanism for Cd tolerance was not well investigated In this study we comparatively investigated the growth physiological responses and Cd uptake and translocation of IdyII and Harukaze when the seedlings were exposed to aGet price


(PDF) Dualities in plant tolerance to pollutants and their

A cadmium- De Knecht J A 1994 Cadmium tolerance and phytochelatin production in Silene sensitive glutathione-deficient mutant of Iron deficiency reproductive development Plant Cell 15 1263–1280 enhances cadmium uptake and translocation mediated by the Fe2+ transporters Theodolou F 2000 Plant ABC transporters Get price



(2015) 44(1) 51–56UPTAKE AND TRANSLOCATION OF ZINC AND CADMIUM BY Ricinus communis 51 * To whom correspondence should be addressed UPTAKE AND TRANSLOCATION OF ZINC AND CADMIUM BY Ricinus communis PLANTED IN SEWAGE SLUDGE CONTAMINATED SOIL existence of tolerance mechanisms to cope with high concentrations of metals (McGrath and Zhao 2003) Get price


Influence of low calcium availability on cadmium uptake

Characteristics of cadmium accumulation and tolerance in novel Cd-accumulating crops Avena strigosa and Crotalaria juncea Influence of low calcium availability on cadmium uptake and translocation in a fast-growing shrub and a metal-accumulating herb Get price


Root uptake and xylem transport of cadmium in wheat

Results indicate that the effects of amino acids on plant root uptake and xylem sap translocation of Cd depend on the type of amino acid supplemented This finding is of great importance for selecting and/or breeding cultivars with Cd-toxicity tolerance Get price


1 Introduction

Cadmium toxicity also altered leaf and root ultrastructure and caused structural damage to photosynthetic apparatus of rice [12] From several other studies conducted marked differences in Cd uptake and translocation among plant species as well as among cultivars within the same species were observed [6 12 13] Get price


Mechanism of Zn Uptake Translocation in Rice Plant and Zn

Verret F Gravot A Auroy P et al Overexpression of AtHMA4 enhances roottoshoot translocation of zinc and cadmium and plant metal tolerance FEBS Lett 2004 576(3) 306312 [37] Williams L E Mills R F P1BATPases An ancient family of transition metal pumps with diverse functions in plants Get price


Uptake Transport Re

Uptake Transport Re-translocation and Chelation of Ni in One Tolerant and One Susceptible Graminaceous Species montanum and Dactylis glomerata with different distribution and coverage on Ni-rich soils were selected for study of tolerance mechanisms to Ni concentrations up to 100 μ M in hydroponic culture medium Get price


Characterizing the role of rice NRAMP5 in Manganese Iron

24-2-2012On the other hand Fe uptake systems in rice plants are well known as Strategy II and direct ferrous Fe uptake systems Strategy II Fe uptake systems rely on a ferric Fe chelation system through the secretion of deoxymugineic acid (DMA) 10 11 22 23 The secreted DMA chelate Fe and the resulting Fe(III)-DMA complex is transported by OsYSL15 23 24 Get price


Combined expression of the Arabidopsis metallothionein

A single AtMT2b tobacco T2 line was used for re-transformation with AtHMA4 to obtain the double transformant Cadmium (Cd) and zinc (Zn) tolerance uptake and translocation were measured in the double transformant and compared to untransformed ('wild type') tobacco and single gene transformants Get price


Cadmium Toxicity in Plants and Role of Mineral Nutrients

Cadmium (Cd) is a toxic heavy metal that enters the environment through various anthropogenic sources and inhibits plant growth and development Cadmium toxicity may result from disturbance in plant metabolism as a consequence of disturbance in the uptake and translocation of mineral nutrients Plant nutrients and Cd compete for the same Get price


Sulfur decreases cadmium translocation and enhances

Read Sulfur decreases cadmium translocation and enhances cadmium tolerance by promoting sulfur assimilation and glutathione metabolism in Brassica chinensis L Ecotoxicology and Environmental Safety on DeepDyve the largest online rental service for scholarly research with thousands of academic publications available at your fingertips Get price


Studies on cadmium uptake accumulation and

Cadmium uptake accumulation and tolerance potential of three weeping willow (Salix babylonica) clones were investigated through hydroponic culture The results showed that changes of growth parameters in three clones were related to clones and Cd levels in the medium growth parameters of three clones were not significantly influenced at low Get price


Nramp5 Is a Major Transporter Responsible for

These proteins have been implicated in the uptake translocation intracellular transport and detoxification of transition metals (Nevo and Nelson 2006) In the Arabidopsis thaliana and rice (Oryza sativa) genomes there are six and seven members respectively and some of these have been functionally characterized Get price


Disruption of Secondary Wall Cellulose Biosynthesis Alters

Disruption of Secondary Wall Cellulose Biosynthesis Alters Cadmium Translocation and Tolerance in Rice Plants Molecular Plant May 2013 Xue-Qin Song Li-Feng Liu Yi-Jun Jiang Bao-Cai Zhang Ya-Ping Gao Xiang-Ling Liu Qing-Shan Lin Hong-Qing Ling Yi-Hua ZhouGet price


Cadmium uptake and subcellular compartmentation in the

Cadmium uptake and subcellular compartmentation in the ectomycorrhizal fungus Paxillus involutus were investigated using radiotracer flux analyses Concentration-dependent Cd2+-uptake kinetics were characterized by a smooth non-saturating curve that could be dissected into linear and saturable components The linear-uptake kinetic component Get price


cadmium uptake translocation and tolerance in the

Cadmium Uptake Translocation and Tolerance in Effects of Cadmium on Nutrient Uptake and Translocation by Indian Mustard The effect of pH on the uptake of zinc and cadmium in marine Responses to Cadmium Tolerance Accumulation and Translocation in Copper and Cadmium Tolerance Uptake and Effect on Cadmium and Other Metal Uptake by Cadmium Get price


Inhibition of Nitrate Transporter 1 1

Identification of mechanisms that decrease cadmium accumulation in plants is a prerequisite for minimizing dietary uptake of cadmium from contaminated crops Here we show that cadmium inhibits nitrate transporter 1 1 (NRT1 1)-mediated nitrate (NO3−) uptake in Arabidopsis ( Arabidopsis thaliana ) and impairs NO3− homeostasis in roots In Get price



1-3-2016Cadmium (Cd) is a non-essential heavy metal that is toxic to plants microRNAs (miRNAs) are 21-nucleotide RNAs that are ubiquitous regulators of gene expression at the post-transcriptional level Several plant miRNAs such as miR390 have vital roles in plant growth development and responses to environmental stresses including heavy Get price


Differences between Cadmium Uptake and Translocation

Differences between Cadmium Uptake and Translocation among Different Pepper Varieties LI Xin-chen LI Tao XU Wei-hong* QIN Yu-li ZHENG Ying-hui ZHANG Chun-lai LI Yan-hua College of Resources and Environmental Sciences Southwest University Chongqing 400715 ChinaGet price


Cadmium uptake and translocation in durum wheat

Wheat grain products are the primary source of dietary Cd-intake for humans Since varieties differ markedly in grain-Cd accumulation efforts are needed to find traits associated with low or high accumulation Two durum wheat varieties selected in a field screening as low (Creso) and high (Svevo) grain-Cd accumulating were grown on soil Get price


Contribution of microbial associations to the cadmium

Contribution of microbial associations to the cadmium uptake by peppermint (Mentha piperita ) Mahmud Khoramivafa 1* Kamran Shokri 1 Kiomars Sayyadian 1 and Farhad Rejali 2 1Department of Agronomy and Plant Breeding Campus of Agriculture and Natural Resources Razi University Imam Khomeini Free way Kermanshah IranGet price


Influence of endophytic root bacteria on the growth

Influence of endophytic root bacteria on the growth cadmium tolerance and uptake of switchgrass (Panicum virgatum L ) J Appl Microbiol Interestingly the five PGPB strains increased Cd tolerance and decreased the accumulation and translocation factor (TF) of Cd in switchgrass when grown in the presence of 20 μmol l-1 CdCl2 Get price


Nitric Oxide Increases Pb Tolerance by Lowering Pb Uptake

Nitric Oxide Increases Pb Tolerance by Lowering Pb Uptake and Translocation as well as Phytohormonal Changes in Cowpea (Vigna unguiculata (L ) Pb tolerance by lowering Pb uptake and translocation enhancing the promoting phytohormone (IAA cytokinin and GA 3) cadmium Get price


Cadmium in plants uptake toxicity and its interactions

23-8-2018In this review we discuss the sources of Cd pollutants Cd toxicity to plants and mechanisms of Cd uptake and redistribution in plant tissues The metal transporters involved in Cd transport within plant tissues are also discussed and how their manipulation can control Cd uptake and/or translocation Get price


Melatonin Inhibits Cadmium Translocation and Enhances

COMT overexpression failed to compensate the functional hierarchy of S when its uptake was inhibited by cosilencing of transporter SUT1 and SUT2 Our study provides genetic evidence that melatonin-mediated tolerance to Cd is closely associated with the efficient regulation of S metabolism redox homeostasis and Cd translocation in tomato plants Get price



28-6-2019Cadmium (Cd) as a heavy metal presents substantial biological toxicity and has harmful effects on human health To lower the ingress levels of human Cd it is necessary for Cd content in food crops to be reduced which is of considerable significance for ensuring food safety This review will summarize the genetic traits of Cd Get price


Study of the Translocation and Distribution of Cadmium

3-9-2013The obtained results and discussions proposed are approaches of chemist because the mechanisms of the effect of cadmium on the various plant cells have been widely developed by several biologists The use of labeled cadmium is important to study the uptake the translocation and the metabolism at very low levels of this element in plants Get price


The polish wheat ( Triticum polonicum L ) TpSnRK2 10 and

In Arabidopsis AtSnRK2s regulate the expression of some metal transporters For example AtSnRK2 4 plays a role in the regulation of Arabidopsis tolerance to Cd AtSnRK2 2 and AtSnRK2 3 are involved in Cd uptake and translocation However the functions of their homologs TpSnRK2 10 and TpSnRK2 11 from dwarf Polish wheat are unknown Get price


Cadmium uptake dynamics and translocation in

Read Cadmium uptake dynamics and translocation in rice seedling Influence of different forms of selenium Ecotoxicology and Environmental Safety on DeepDyve the largest online rental service for scholarly research with thousands of academic publications available at your fingertips Get price


Genetic Variation in Cadmium Accumulation and

Genetic Variation in Cadmium Accumulation and Tolerance among Wheat Cultivars at the to select wheat cultivars' pollution-safe from cadmium (Cd) contamination requires better understanding of Cd uptake and translocation The results suggest that wheat cultivars with low shoot Cd concentration but higher tolerance i e Lasani Get price

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