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Genome Wide Transcriptome Analysis reveals ABA mediated response in Arabidopsis during Gold (AuCl4-) treatment.pdf A preview of the PDF is not available Supplementary resources
Manganese (Mn) is an essential nutrient required for the catalytic or regulatory function of several cellular enzymes. However, excessive Mn concentrations in plant tissues are toxic to plant cells as they negatively affect enzymatic activities, lead to oxidative stress and disturb the uptake and distribution of other essential mineral elements (Ca, P, Mg or Fe).
Research and applications indicate that uptake of heavy metals into plants via the root system and accumulation of heavy metals in plant shoots could provide a cost effective approach for toxic metal removal and remediation of heavy metal-laden soils and waters.
Plant nanobiotechnology is an emerging field of science that aims to utilize nanomaterials for studying plant organelles, tissues, and whole organisms and provide them with augmented functions. The Giraldo Lab works at the interface of plant physiology and nanotechnology to create new tools for studying how plants function and enhance plant productivity.
ABA has a wide range of functions from plant development to biotic and abiotic stress signaling and tolerance. The primary functions of ABA in salt, drought, and desiccation tolerance act via inhibiting seed germination, altering root architecture, and inducing stress-responsive genes as well as gene products that act as osmoprotectants.
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.
Investigating the Toxicity, Uptake, Nanoparticle Formation and Genetic Response of Plants to Gold Andrew F. Taylor1, Elizabeth L. Rylott1, Christopher W. N. Anderson2, Neil C. Bruce1* 1Centre for Novel Agricultural Products, Department of Biology, University of York, York, United Kingdom, 2Institute of Agriculture and Environment, Massey University,
Terrestrial plants can internalize and translocate nanoparticles (NPs). However, direct evidence for the processes driving the NP uptake and distribution in plants is scarce at the cellular level. Here, NP-root interactions were investigated after 10 days of exposure of Arabidopsis thaliana to 10 mg·L–1 of negatively or positively charged gold NPs (∼12 nm) in gels.
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WRKY6 Transcription Factor Restricts Arsenate Uptake and Transposon Activation in Arabidopsis [W] ... Gold, coal and oil. Med. Hypotheses 74: 534–541 ... Arsenic tolerance in Arabidopsis is mediated by two ABCC-type phytochelatin transporters. Proc. Natl. Acad. Sci.
Cited by: 95[PDF]
NIP1;2 is a plasma membrane-localized transporter mediating aluminum uptake, translocation, and tolerance in Arabidopsis Yuqi Wanga, Ruihong Lia,b, Demou Lia,c, Xiaomin Jia a, Dangwei Zhoua,d, Jianyong Lia,e, Sangbom M. Lyi, Siyu Houa,f, Yulan Huanga,g, Leon V. Kochiana,h, and Jiping Liua,1 aRobert W. Holley Center for Agriculture and Health, US Department of Agriculture, Agricultural ...
Cited by: 28
Aug 09, 2013 · Polyploids Exhibit Higher Potassium Uptake and Salinity Tolerance in Arabidopsis. ... concentration in Arabidopsis thaliana. Autopolyploidy also provided resistance to salinity and may represent an adaptive outcome of the enhanced K accumulation of plants with higher ploidy.
Cited by: 165
Comparative transcriptome and proteome analysis to reveal the biosynthesis of gold nanoparticles in Arabidopsis Skip to main content Thank you for visiting nature.
Root bending assays can be rapidly scored and provide either qualitative or quantitative data on seedling responses to salt stress. This protocol uses a modified version of the root bending assay to assess tolerance of Arabidopsis seedlings to different salts or osmotic agents (i.e., NaCl, KCl, LiCl, CsCl, mannitol or polyethylene glycol).
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.
Nitrate uptake by root cells is accompanied by the uptake of protons. Therefore, nitrate uptake transporters (NRTs) may be involved in plant tolerance to proton toxicity. We investigated the root nitrate uptake response to proton stress in Arabidopsis and its association with proton tolerance using NRT-related mutants and pharmacological methods.
Gold uptake and tolerance in Arabidopsis . By Andrew Taylor. Download PDF (25 ) 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.
Author: Andrew Taylor
Comparative transcriptome and proteome analysis to reveal the biosynthesis of gold nanoparticles in Arabidopsis Skip to main content Thank you for visiting nature.
To identify genes associated with As toxicity and tolerance in Arabidopsis, we used large-scale expression profiling. The As exposure data (Figure 1) helped determine a suitable As concentration for microarray analysis. Treatment of Col-0 and Ws-2 with As at 200 and 100 μM, respectively, had similar effects on root growth inhibition ...
Aug 09, 2013 · 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.
Cited by: 165
Sep 11, 2018 · Arabidopsis AtGRP2 or AtGRP7 could enhance seed germination and seedling growth under cold stress, and even confer freezing tolerance in Arabidopsis, as well as improve the grain yield of .
The K + uptake‐deficient CY162 strain shows Na + hypersensitivity, a property that can be used to determine whether the exogenous gene is involved in both K + uptake and salt tolerance in yeast cells (Horie et al. 2011b). Thus, we plated the transformants on AP medium containing 10 mM KCl in combination with 0, 50, 100 or 150 mM NaCl.
Apr 10, 2018 · Nowadays, due to a wide range of applications of nanoparticles (NPs) in many industrial areas, accumulations of those entities in environment pose a great risk. Owing to their inertness, noble metal NPs may remain in contaminated soils nearly unchanged for long time. Within this context, size-, shape-, and concentration-dependent uptake of particles by plants belongs to unexplored area.
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.
Stress constantly challenges plant adaptation to the environment. Of all stress types, arsenic was a major threat during the early evolution of plants. The most prevalent chemical form of arsenic is arsenate, whose similarity to phosphate renders it easily incorporated into cells via the phosphate transporters. Here, we found that arsenate stress provokes a notable transposon burst in plants ...
Manganese (Mn) is an essential nutrient required for the catalytic or regulatory function of several cellular enzymes. However, excessive Mn concentrations in plant tissues are toxic to plant cells as they negatively affect enzymatic activities, lead to oxidative stress and disturb the uptake and distribution of other essential mineral elements (Ca, P, Mg or Fe).
Role of Fe-responsive genes in bioreduction and transport of ionic gold to roots of Arabidopsis thaliana during synthesis of gold nanoparticles. ... A. TaylorGold Uptake and Tolerance in Arabidopsis. University of York (2011) Google Scholar. Vert et al., 2009.
Role of Fe-responsive genes in bioreduction and transport of ionic gold to roots of Arabidopsis thaliana during synthesis of gold nanoparticles
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A large genetic screen for sos (for salt overly sensitive) mutants was performed in an attempt to isolate mutations in any gene with an sos phenotype. Our search yielded 28 new alleles of sos1, nine mutant alleles of a newly identified locus, SOS2, and one allele of a third salt tolerance locus, SOS3. The sos2 mutations, which are recessive, were mapped to the lower arm of chromosome V, ~2.3 ...
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Gold Uptake from Liquid Medium by Arabidopsis. To investigate gold uptake by Arabidopsis, plants were grown in liquid culture. After 3 weeks of growth, the plants had produced predominantly shoot and leaf tissues, with approximately 5% dry weight comprising root tissues.
