gold uptake and tolerance in arabidopsis

Gold uptake and tolerance in Arabidopsis - White Rose ...

2011-12-21  Gold is a precious metal with a variety of industrial uses. The gold mining process is often incomplete, and discarded mine tailings contain quantities of gold uneconomical for co

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Gold uptake and tolerance in Arabidopsis - CORE

Gold uptake and tolerance in Arabidopsis . By Andrew Taylor. Get PDF (25 MB) Abstract. Gold is a precious metal with a variety of industrial uses. The gold mining process is often incomplete, and discarded mine tailings contain quantities of gold uneconomical for conventional extraction.

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British Library EThOS: Gold uptake and tolerance in ...

The aims of this study were therefore to characterise gold uptake and nanoparticle formation in the model plant species Arabidopsis thaliana and subsequently investigate the transcriptional response to gold to identify mechanisms of uptake and tolerance. A number of approaches were used to investigate the gold tolerance and uptake by Arabidopsis.

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Gold uptake and tolerance in Arabidopsis - CORE Reader

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Gold uptake and tolerance in Arabidopsis - CORE Reader

Gold uptake and tolerance in Arabidopsis - CORE Reader

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Control of Zn uptake in Arabidopsis halleri: a balance ...

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 focus on controlled Zn uptake in A. halleri.

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Cadmium uptake, translocation and tolerance in the ...

Arabidopsis halleri is a well-known zinc (Zn) hyperaccumulator, but its status as a cadmium (Cd) hyperaccumulator is less certain. Here, we investigated whether A. halleri can hyperaccumulate Cd and whether Cd is transported via the Zn pathway. Growth and Cd

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Polyploids exhibit higher potassium uptake and salinity ...

Polyploids exhibit higher potassium uptake and salinity tolerance in Arabidopsis Science. 2013 Aug 9;341(6146):658-9. doi: 10.1126/science.1240561. Epub 2013 Jul 25. Authors Dai-Yin Chao 1 , Brian Dilkes, Hongbing Luo, Alex Douglas, Elena Yakubova, Brett Lahner, David E

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Cadmium uptake, translocation and tolerance in the ...

2006-9-1  Arabidopsis halleri is a well-known zinc (Zn) hyperaccumulator, but its status as a cadmium (Cd) hyperaccumulator is less certain. Here, we investigated whether A. halleri can hyperaccumulate Cd and whether Cd is transported via the Zn pathway.. Growth and Cd and Zn uptake were determined in hydroponic experiments with different Cd and Zn concentrations.

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Plant improvement for tolerance to aluminum in acid soils ...

Development of acid soils that limit crop production is an increasing problem worldwide. Many factors contribute to phytotoxicity of these soils, however, in acid soils with a high mineral content, aluminum (Al) is the major cause of toxicity. The target of Al toxicity is the root tip, in which Al exposure causes inhibition of cell elongation and cell division, leading to root stunting ...

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Investigating the Toxicity, Uptake, Nanoparticle Formation ...

2014-4-15  We have studied the physiological and genetic responses of Arabidopsis thaliana L. (Arabidopsis) to gold. The root lengths of Arabidopsis seedlings grown on nutrient agar plates containing 100 mg/L gold were reduced by 75%. Oxidized gold was subsequently found in roots and shoots of these plants, but gold nanoparticles (reduced gold) were only observed in the root tissues.

Read More
Cadmium uptake, translocation, and tolerance in AHA1OX ...

In this study, Cd uptake, translocation, and tolerance were investigated in AHA1 (Arabidopsis plasma membrane H(+)-ATPase gene) overexpressed plants. Exposed to 10 µM CdCl(2), AHA1OX showed a higher root elongation, accumulated more Cd, and maintained better integrity of nucleus membrane of root tips in comparison to the control plant (WT ...

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Control of Zn uptake in Arabidopsis halleri: a balance ...

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 focus on controlled Zn uptake in A. halleri.

Read More
Cadmium uptake, translocation and tolerance in the ...

2006-9-1  Arabidopsis halleri is a well-known zinc (Zn) hyperaccumulator, but its status as a cadmium (Cd) hyperaccumulator is less certain. Here, we investigated whether A. halleri can hyperaccumulate Cd and whether Cd is transported via the Zn pathway.. Growth and Cd and Zn uptake were determined in hydroponic experiments with different Cd and Zn concentrations.

Read More
Cadmium uptake, translocation and tolerance in the ...

2006-9-1  Arabidopsis halleri is a well-known zinc (Zn) hyperaccumulator, but its status as a cadmium (Cd) hyperaccumulator is less certain. Here, we investigated whether A. halleri can hyperaccumulate Cd and whether Cd is transported via the Zn pathway.. Growth and Cd and Zn uptake were determined in hydroponic experiments with different Cd and Zn concentrations.

Read More
Polyploids Exhibit Higher Potassium Uptake and Salinity ...

2013-8-9  Polyploids Exhibit Higher Potassium Uptake and Salinity Tolerance in Arabidopsis. By Dai-Yin Chao, Brian Dilkes, Hongbing Luo, Alex Douglas, Elena Yakubova, Brett Lahner, David E. Salt. Science 09 Aug 2013: 658-659 . Certain thale cress plants collected in the wild contain a duplicated genome and can cope with salty soil.

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Increased tolerance to salt stress in the phosphate ...

2011-7-12  High salinity is an environmental factor that inhibits plant growth and development, leading to large losses in crop yields. We report here that mutations in SIZ1 or PHO2, which cause more accumulation of phosphate compared with the wild type, enhance tolerance to salt stress.The siz1 and pho2 mutations reduce the uptake and accumulation of Na +.These mutations are also able to

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Plant salt-tolerance mechanisms - ScienceDirect

2014-6-1  Soil salinization and its impact on plants. Soil salinization is a growing problem for agriculture worldwide. Salt accumulation in arable soils is mainly derived from irrigation water that contains trace amounts of sodium chloride (NaCl) and from seawater 1, 2.Increased soil salt concentrations decrease the ability of a plant to take up water and, once Na + and Cl − are taken up in large ...

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The transcription factor MYB40 is a central regulator in ...

2021-11-8  Arabidopsis MYB40 belongs to the R2R3 MYB sub-family (Stracke et al., 2001).To test the subcellular location of MYB40, the coding region of MYB40 was fused with the 3′ end of the GFP reporter gene and expressed under the Super promoter. The GFP gene alone under the Super promoter was used as a control. MYB40−GFP and GFP alone were transiently expressed in Nicotiana benthamiana

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Plant improvement for tolerance to aluminum in acid soils ...

Development of acid soils that limit crop production is an increasing problem worldwide. Many factors contribute to phytotoxicity of these soils, however, in acid soils with a high mineral content, aluminum (Al) is the major cause of toxicity. The target of Al toxicity is the root tip, in which Al exposure causes inhibition of cell elongation and cell division, leading to root stunting ...

Read More
Investigating the toxicity, uptake, nanoparticle formation ...

2014-4-15  Oxidized gold was subsequently found in roots and shoots of these plants, but gold nanoparticles (reduced gold) were only observed in the root tissues. We used a microarray-based study to monitor the expression of candidate genes involved

Read More
Investigating the Toxicity, Uptake, Nanoparticle Formation ...

2014-4-15  We have studied the physiological and genetic responses of Arabidopsis thaliana L. (Arabidopsis) to gold. The root lengths of Arabidopsis seedlings grown on nutrient agar plates containing 100 mg/L gold were reduced by 75%. Oxidized gold was subsequently found in roots and shoots of these plants, but gold nanoparticles (reduced gold) were only observed in the root tissues.

Read More
Cadmium uptake, translocation, and tolerance in AHA1OX ...

In this study, Cd uptake, translocation, and tolerance were investigated in AHA1 (Arabidopsis plasma membrane H(+)-ATPase gene) overexpressed plants. Exposed to 10 µM CdCl(2), AHA1OX showed a higher root elongation, accumulated more Cd, and maintained better integrity of nucleus membrane of root tips in comparison to the control plant (WT ...

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An Arabidopsis vasculature distributed metal tolerance ...

2021-11-11  The Arabidopsis plant contains 12 MTP genes, and only knockout of MTP10 decreased the tolerance of high-Mg stress. The functional complementation assays in a Mg 2+-uptake-deficient bacterial strain MM281 confirmed that MTP10 conducted Mg 2+ transport. MTP10 is localized to the plasma membrane of parenchyma cells around the xylem.

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Polyploids Exhibit Higher Potassium Uptake and Salinity ...

2013-8-9  Polyploids Exhibit Higher Potassium Uptake and Salinity Tolerance in Arabidopsis. By Dai-Yin Chao, Brian Dilkes, Hongbing Luo, Alex Douglas, Elena Yakubova, Brett Lahner, David E. Salt. Science 09 Aug 2013: 658-659 . Certain thale cress plants collected in the wild contain a duplicated genome and can cope with salty soil.

Read More
The transcription factor MYB40 is a central regulator in ...

2021-11-8  Arabidopsis MYB40 belongs to the R2R3 MYB sub-family (Stracke et al., 2001).To test the subcellular location of MYB40, the coding region of MYB40 was fused with the 3′ end of the GFP reporter gene and expressed under the Super promoter. The GFP gene alone under the Super promoter was used as a control. MYB40−GFP and GFP alone were transiently expressed in Nicotiana benthamiana

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Evidence for potassium transport activity of Arabidopsis ...

2019-7-11  Arabidopsis thaliana contains the putative K+ efflux transporters KEA1-KEA6, similar to KefB and KefC of Escherichia coli. KEA1-KEA3 are involved in the regulation of photosynthetic electron ...

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Plant salt-tolerance mechanisms - ScienceDirect

2014-6-1  Soil salinization and its impact on plants. Soil salinization is a growing problem for agriculture worldwide. Salt accumulation in arable soils is mainly derived from irrigation water that contains trace amounts of sodium chloride (NaCl) and from seawater 1, 2.Increased soil salt concentrations decrease the ability of a plant to take up water and, once Na + and Cl − are taken up in large ...

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Coordination of AtHKT1;1 and AtSOS1 facilitates Na+ and

2014-9-21  Reducing Na + accumulation and maintaining K + stability in plant is one of the key strategies for improving salt tolerance. AtHKT1;1 and AtSOS1 are not only the salt tolerance determinants themselves, but also mediate K + uptake and transport indirectly. To assess the contribution of AtHKT1;1 and AtSOS1 to Na + homeostasis and K + nutrition in plant, net Na + and K + uptake

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Plant improvement for tolerance to aluminum in acid soils ...

Development of acid soils that limit crop production is an increasing problem worldwide. Many factors contribute to phytotoxicity of these soils, however, in acid soils with a high mineral content, aluminum (Al) is the major cause of toxicity. The target of Al toxicity is the root tip, in which Al exposure causes inhibition of cell elongation and cell division, leading to root stunting ...

Read More

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