R. Dhindsa

Publications72
h-index29
Citations8,484
Highly Influential Citations424
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Leaf Senescence: Correlated with Increased Levels of Membrane Permeability and Lipid Peroxidation, and Decreased Levels of Superoxide Dismutase and Catalase
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Drought Tolerance in Two Mosses: Correlated with Enzymatic Defence Against Lipid Peroxidation
TLDR
The changes in lipid peroxidation during drying and subsequent rehydration of both the mosses appear to coincide in time with the reported changes in O2 uptake, indicating that the drought-induced membrane damage may be due to free radical-induced lipid per oxidation which is known to require active O2 absorption.
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Early steps in cold sensing by plant cells: the role of actin cytoskeleton and membrane fluidity.
TLDR
Findings indicate that cytoskeleton re-organization is an integral component in low-temperature signal transduction in alfalfa cell suspension cultures, serving as a link between membrane rigidification and calcium influx in CA.
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Low-temperature signal transduction: induction of cold acclimation-specific genes of alfalfa by calcium at 25 degrees C.
TLDR
A sequence of signaling events that is likely to occur early during cold acclimation and leads to the expression of cas genes and the development of freezing tolerance is proposed, suggesting that a cold-induced calcium influx plays an essential role in cold Acclimation.
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Cold-activation of Brassica napus BN115 promoter is mediated by structural changes in membranes and cytoskeleton, and requires Ca2+ influx.
TLDR
It was concluded that the cold-activation of BN115 requires membrane rigidification, cytoskeleton reorganization, Ca2+ influx and action of several types of protein kinases.
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Opposite changes in membrane fluidity mimic cold and heat stress activation of distinct plant MAP kinase pathways.
TLDR
Data indicate that cold and heat are sensed by structural changes in the plasma membrane that translates the signal via cytoskeleton, Ca2+ fluxes and CDPKs into the activation of distinct MAPK cascades.
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The induction of kin genes in cold-acclimating Arabidopsis thaliana. Evidence of a role for calcium
TLDR
Treatments with chemicals which either chelate extracellular calcium (EGTA) or block the plasma-membrane calcium channels (La3+, Gd3+) inhibited cold acclimation as well as kin gene expression and development of freezing tolerance.
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Cloning, characterization, and expression of a cDNA encoding a 50-kilodalton protein specifically induced by cold acclimation in wheat.
TLDR
A cold-specific cDNA clone that specifically hybridizes to a major mRNA species of approximately 1650 nucleotides from cold-acclimated wheat that was induced in less than 24 hours of cold treatment and remained at a high steady-state level during the entire period of cold acclimation in the two freezing-tolerant genotypes of wheat tested.
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Vacuolar H+-Translocating Pyrophosphatase Is Induced by Anoxia or Chilling in Seedlings of Rice
TLDR
It is proposed that V-PPase can be an important element in the survival strategies of plants under hypoxic or chilling stress.
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Cold-Induced Changes in Freezing Tolerance, Protein Phosphorylation, and Gene Expression (Evidence for a Role of Calcium)
TLDR
Ca2+ and protein phosphorylation play an important role during the acquisition of freezing tolerance during cold acclimation, and a coupling of the two is suggested.
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