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Article
Open AccessExogenous proline regulates pectin demethylation by rescuing pectin methylesterase functioning of cell wall from Cr(VI) toxicity in rice plants
Plants are equipped with several sophisticated mechanisms to deal with heavy metals (HMs) toxicity. Cell walls, which are rich in pectin, are important in the sequestration and compartmentalization of HMs. Pec...
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Article
Regulation of enzymatic and non-enzymatic antioxidants in rice seedlings against chromium stress through sodium hydrosulfide and sodium nitroprusside
Hydrogen sulfide (H2S) and nitric oxide (NO) play a well-organized protective mechanism in co** with oxidative stress induced by toxic metals. However, the comparative effects of H2S and NO on enzymatic and non...
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Article
Proline-mediated modulation on DNA repair pathway in rice seedlings under chromium stress by integrating gene chip and co-expression network analysis
Chromium (Cr) stress can cause oxidative burst to plants. Application of exogenous proline (Pro) is one of the most effective approaches to improve the tolerance of plants to Cr stress. In this study, we integ...
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Article
The importance of utilizing nitrate (NO3−) over ammonium (NH4+) as nitrogen source during detoxification of exogenous thiocyanate (SCN-) in Oryza sativa
Thiocyanate (SCN−) is a nitrogen-containing pollutant, which can be involved in the nitrogen (N) cycle and interferes with plant growth. The current study highlights a new insight into the N (nitrate [NO3-] and a...
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Article
Jasmonic acid and hydrogen sulfide modulate transcriptional and enzymatic changes of plasma membrane NADPH oxidases (NOXs) and decrease oxidative damage in Oryza sativa L. during thiocyanate exposure
It is evident that the plasma membrane NADPH oxidases (NOXs) play an important role in the generation of superoxide radicals (O2−•) in plants during defense responses. This study was to clarify activation of NOXs...
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Article
Assimilation of exogenous cyanide cross talk in Oryza sativa L. to the key nodes in nitrogen metabolism
Exogenous cyanide (CN−) effects on nitrogen (N) uptake, transport, and assimilation in rice seedlings were investigated at the biochemical and molecular levels. Seedlings were treated with either a 2-d or 4-d sup...
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Article
Involvement of glutamate receptors in regulating calcium influx in rice seedlings under Cr exposure
Glutamate receptors (GLRs) are ligand-gated Ca2+-permeable channels that govern and modulate the dynamic influx of cytosolic Ca2+ in plants. The present study investigated the interaction of OsGLR3 gene expressio...
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Article
Interaction of cyanate uptake by rice seedlings with nitrate assimilation: gene expression analysis
Cyanate (CNO−) has been produced in the environment through either natural or anthropogenic sources. However, due to industrialization, it has been led more over-loads. In this study, interaction of CNO− uptake b...
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Article
Transcriptome analysis of Oryza sativa in responses to different concentrations of thiocyanate
Effective concentrations of potassium thiocyanate (KSCN) to rice seedlings were experimentally determined using relative growth rate as a sensitive endpoint. Agilent 44-K rice microarray was used to profile th...
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Article
mRNA Analysis of Genes Encoded with Phytochelatin Synthase (PCS) in Rice Seedlings Exposed to Chromium: The Role of Phytochelatins in Cr Detoxification
Transcriptional changes of genes encoded with phytochelatins synthase (PCS) was investigated in rice seedlings exposed to potassium chromate Cr(VI) or chromium nitrate Cr(III) using qRT-PCR. Our study demonstr...
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Article
Microarray-based expression analysis of phytohormone-related genes in rice seedlings during cyanide metabolism
Plants exhibit highly coordinated, dynamic reactions to various abiotic stressors. As cyanide is a non-essential element for plant growth, entry inside plants can exert toxicity at multiple levels. In plant, h...
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Article
Differential expression of the PAL gene family in rice seedlings exposed to chromium by microarray analysis
Phenylalanine ammonia-lyase (PAL) is one of the principle enzymes involved in plant’s secondary metabolism. Expression of individual isogene from the PAL gene family is variable with species of plants in response...
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Article
Identification and expression analysis of CYS-A1, CYS-C1, NIT4 genes in rice seedlings exposed to cyanide
Involvement of genes (CYS-A1, CYS-C1 and NIT4) encoded with cysteine synthase, β-cyanoalanine synthase, nitrilase and cyanide metabolisms are evident in Arabidopsis. In the present study, identifications of CYS-A...