Abstract
Treatment with 0.5 mM salicylic acid (SA) significantly alleviated growth inhibition induced by drought in wheat seedlings, manifested by less decreassed fresh mass, dry mass, plant height, root length, and less increased lipid peroxidation. Under drought stress, SA significantly increased the content of ascorbate (ASA) and glutathione (GSH). We determined the full-length cDNA sequences of genes encoding the glutathione-S-transferase 1 (GST1) and 2 (GST2) and we also measured the transcription of eight genes related to ASA-GSH cycle. The results indicated that exogenous SA significantly enhanced the transcription of GST1, GST2, glutathione reductase (GR), and monodehydroascorbate reductase (MDHAR) genes during almost the entire drought period, but only increased those of dehydroascorbate reductase (DHAR) at 12 h, glutathione peroxidase (GPX1) at 48 h, phospholipid hydroperoxide glutathione peroxidase (GPX2) at 12 and 24 h, and glutathione synthetase (GSHS) at 12, 24, and 48 h. This implies that SA alleviates the detrimental effects of drought stress on wheat seedling growth by influencing the ASA-GSH cycle.
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Claims 8
Claim · model-written summary
Salicylic acid alleviated drought inhibition of fresh and dry mass, height and root length.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- 0.5 mM salicylic acid (SA)e0
- Outcome
- fresh mass, dry mass, plant height, root lengthe0
- Direction
- less decreassede0
- Comparator
- droughte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Treatment with 0.5 mM salicylic acid (SA) significantly alleviated growth inhibition induced by drought in wheat seedlings, manifested by less decreassed fresh mass, dry mass, plant height, root length”
t0“Exogenous salicylic acid enhances wheat drought tolerance by influence on the expression of genes related to ascorbate-glutathione cycle”
Claim · model-written summary
Salicylic acid reduced the drought-induced rise in lipid peroxidation.
- Taxon
- wheatTriticum aestivume0
- Treatment
- 0.5 mM salicylic acid (SA)e0
- Outcome
- lipid peroxidatione0
- Direction
- less increasede0
- Comparator
- droughte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Treatment with 0.5 mM salicylic acid (SA) significantly alleviated growth inhibition induced by drought in wheat seedlings, manifested by less decreassed fresh mass, dry mass, plant height, root length, and less increased lipid peroxidation”
t0“Exogenous salicylic acid enhances wheat drought tolerance by influence on the expression of genes related to ascorbate-glutathione cycle”
Claim · model-written summary
Salicylic acid increased ascorbate and glutathione during drought.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- SAe0
- Outcome
- content of ascorbate (ASA) and glutathione (GSH)e0
- Direction
- increasede0
- Comparator
- drought stresse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under drought stress, SA significantly increased the content of ascorbate (ASA) and glutathione (GSH)”
t0“Exogenous salicylic acid enhances wheat drought tolerance by influence on the expression of genes related to ascorbate-glutathione cycle”
Claim · model-written summary
Salicylic acid increased transcription of GST1, GST2, glutathione reductase (GR), and monodehydroascorbate reductase (MDHAR) during almost the entire drought period.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- exogenous SAe0
- Gene
- GST1, GST2, glutathione reductase (GR), and monodehydroascorbate reductase (MDHAR)e0
- Outcome
- transcriptione0
- Direction
- enhancede0
- Qualifier
- during almost the entire drought periode0
- Comparator
- drought periode0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The results indicated that exogenous SA significantly enhanced the transcription of GST1, GST2, glutathione reductase (GR), and monodehydroascorbate reductase (MDHAR) genes during almost the entire drought period, but only increased those of dehydroascorbate reductase (DHAR) at 12 h, glutathione peroxidase (GPX1) at 48 h, phospholipid hydroperoxide glutathione peroxidase (GPX2) at 12 and 24 h, and glutathione synthetase (GSHS) at 12, 24, and 48 h”
t0“Exogenous salicylic acid enhances wheat drought tolerance by influence on the expression of genes related to ascorbate-glutathione cycle”
Claim · model-written summary
Salicylic acid increased transcription of dehydroascorbate reductase (DHAR) at 12 h.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- exogenous SAe0
- Gene
- dehydroascorbate reductase (DHAR)e0
- Outcome
- transcriptione0
- Direction
- increasede0
- Qualifier
- at 12 he0
- Comparator
- drought periode0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The results indicated that exogenous SA significantly enhanced the transcription of GST1, GST2, glutathione reductase (GR), and monodehydroascorbate reductase (MDHAR) genes during almost the entire drought period, but only increased those of dehydroascorbate reductase (DHAR) at 12 h, glutathione peroxidase (GPX1) at 48 h, phospholipid hydroperoxide glutathione peroxidase (GPX2) at 12 and 24 h, and glutathione synthetase (GSHS) at 12, 24, and 48 h”
t0“Exogenous salicylic acid enhances wheat drought tolerance by influence on the expression of genes related to ascorbate-glutathione cycle”
Claim · model-written summary
Salicylic acid increased transcription of glutathione peroxidase (GPX1) at 48 h.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- exogenous SAe0
- Gene
- glutathione peroxidase (GPX1)e0
- Outcome
- transcriptione0
- Direction
- increasede0
- Qualifier
- at 48 he0
- Comparator
- drought periode0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The results indicated that exogenous SA significantly enhanced the transcription of GST1, GST2, glutathione reductase (GR), and monodehydroascorbate reductase (MDHAR) genes during almost the entire drought period, but only increased those of dehydroascorbate reductase (DHAR) at 12 h, glutathione peroxidase (GPX1) at 48 h, phospholipid hydroperoxide glutathione peroxidase (GPX2) at 12 and 24 h, and glutathione synthetase (GSHS) at 12, 24, and 48 h”
t0“Exogenous salicylic acid enhances wheat drought tolerance by influence on the expression of genes related to ascorbate-glutathione cycle”
Claim · model-written summary
Salicylic acid increased transcription of phospholipid hydroperoxide glutathione peroxidase (GPX2) at 12 and 24 h.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- exogenous SAe0
- Gene
- phospholipid hydroperoxide glutathione peroxidase (GPX2)e0
- Outcome
- transcriptione0
- Direction
- increasede0
- Qualifier
- at 12 and 24 he0
- Comparator
- drought periode0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The results indicated that exogenous SA significantly enhanced the transcription of GST1, GST2, glutathione reductase (GR), and monodehydroascorbate reductase (MDHAR) genes during almost the entire drought period, but only increased those of dehydroascorbate reductase (DHAR) at 12 h, glutathione peroxidase (GPX1) at 48 h, phospholipid hydroperoxide glutathione peroxidase (GPX2) at 12 and 24 h, and glutathione synthetase (GSHS) at 12, 24, and 48 h”
t0“Exogenous salicylic acid enhances wheat drought tolerance by influence on the expression of genes related to ascorbate-glutathione cycle”
Claim · model-written summary
Salicylic acid increased transcription of glutathione synthetase (GSHS) at 12, 24, and 48 h.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- exogenous SAe0
- Gene
- glutathione synthetase (GSHS)e0
- Outcome
- transcriptione0
- Direction
- increasede0
- Qualifier
- at 12, 24, and 48 he0
- Comparator
- drought periode0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The results indicated that exogenous SA significantly enhanced the transcription of GST1, GST2, glutathione reductase (GR), and monodehydroascorbate reductase (MDHAR) genes during almost the entire drought period, but only increased those of dehydroascorbate reductase (DHAR) at 12 h, glutathione peroxidase (GPX1) at 48 h, phospholipid hydroperoxide glutathione peroxidase (GPX2) at 12 and 24 h, and glutathione synthetase (GSHS) at 12, 24, and 48 h”
t0“Exogenous salicylic acid enhances wheat drought tolerance by influence on the expression of genes related to ascorbate-glutathione cycle”
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