Abstract
The possible protective role of exogenous SA and NO donor (sodium nitroprusside) against salt stress was examined NaCl-induced oxidative stress in Glycine max L. The results indicated that NaCl-induced ionic toxicity led to significant increase of Na+ uptake in root and shoot of soybean, while K+ and Ca2+ uptake was decreased markedly. Application of SA, SNP and the combination of SA with SNP inhibited Na+ uptake, but improved K+ and Ca2+ uptake. Under NaCl salinity, germination percentage (GP) was decreased significantly as compared with control plants. Moreover, the activity of lipoxygenase (LOX) was increased by NaCl, while the application of SA, NO and SA + SNP could decrease LOX activity in this condition. As well, activities of the polyphenol oxidase (PPO) and phenylalanine ammonia lyase (PAL) were significantly decreased by 100 mM NaCl, while the application of exogenous SA and NO increased the activities of PPO and PAL. In addition, it was observed that the SA and NO have effective functions in decreasing the damages induced by NaCl salinity. The seeds of G. max cv. Union × Elf (called L17) were obtained from the Institute of Sapling and Seed in Tehran and experiments have been done in Science and Research Branch, Islamic Azad University. After treatment with SA, SNP and NaCl, the plants were harvested for the estimation of ionic contents and assay of enzyme activities. The results showed that SA and NO act synergistically to reduce the damaging effects of salt tress via enhancing the activity of antioxidative systems.
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Claims 10
Claim · model-written summary
NaCl increased soybean root and shoot Na+ uptake.
- Taxon
- soybean
Glycine maxe0 - Organ / stage
- root and shoote0
- Treatment
- NaCle0
- Outcome
- Na+ uptakee0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NaCl-induced ionic toxicity led to significant increase of Na+ uptake in root and shoot of soybean”
Claim · model-written summary
NaCl markedly decreased soybean K+ and Ca2+ uptake.
- Taxon
- soybeanGlycine maxt0
- Treatment
- NaCle1
- Outcome
- K+ and Ca2+ uptakee0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“K+ and Ca2+ uptake was decreased markedly”
e1“NaCl-induced ionic toxicity led to significant increase of Na+ uptake in root and shoot of soybean”
t0“Soybean Plants”
Claim · model-written summary
SA, SNP, and their combination inhibited Na+ uptake.
- Taxon
- soybeanGlycine maxt0
- Treatment
- SA, SNP and the combination of SA with SNPe0
- Outcome
- Na+ uptakee0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of SA, SNP and the combination of SA with SNP inhibited Na+ uptake”
t0“Soybean Plants”
Claim · model-written summary
SA, SNP, and their combination improved K+ and Ca2+ uptake.
- Taxon
- soybeanGlycine maxt0
- Treatment
- SA, SNP and the combination of SA with SNPe0
- Outcome
- K+ and Ca2+ uptakee0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Application of SA, SNP and the combination of SA with SNP inhibited Na+ uptake, but improved K+ and Ca2+ uptake”
t0“Soybean Plants”
Claim · model-written summary
NaCl salinity significantly decreased soybean germination percentage relative to controls.
- Taxon
- soybeanGlycine maxt0
- Treatment
- NaCl salinitye0
- Outcome
- germination percentagee0
- Direction
- decreasede0
- Comparator
- control plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under NaCl salinity, germination percentage (GP) was decreased significantly as compared with control plants.”
t0“Soybean Plants”
Claim · model-written summary
NaCl increased lipoxygenase activity.
- Taxon
- soybeanGlycine maxt0
- Treatment
- NaCle0
- Outcome
- activity of lipoxygenasee0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the activity of lipoxygenase (LOX) was increased by NaCl”
t0“Soybean Plants”
Claim · model-written summary
SA, NO, and SA plus SNP decreased lipoxygenase activity under NaCl.
- Taxon
- soybeanGlycine maxt0
- Treatment
- SA, NO and SA + SNPe0
- Outcome
- LOX activitye0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the application of SA, NO and SA + SNP could decrease LOX activity in this condition”
t0“Soybean Plants”
Claim · model-written summary
100 mM NaCl significantly decreased PPO and PAL activities.
- Taxon
- soybeanGlycine maxt0
- Treatment
- 100 mM NaCle0
- Outcome
- activities of the polyphenol oxidase (PPO) and phenylalanine ammonia lyase (PAL)e0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“activities of the polyphenol oxidase (PPO) and phenylalanine ammonia lyase (PAL) were significantly decreased by 100 mM NaCl”
t0“Soybean Plants”
Claim · model-written summary
Exogenous SA and NO increased PPO and PAL activities.
- Taxon
- soybeanGlycine maxt0
- Treatment
- exogenous SA and NOe0
- Outcome
- activities of PPO and PALe0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the application of exogenous SA and NO increased the activities of PPO and PAL”
t0“Soybean Plants”
Claim · model-written summary
SA and NO reduced damage induced by NaCl salinity.
- Taxon
- soybeanGlycine maxt0
- Treatment
- SA and NOe0
- Outcome
- damages induced by NaCl salinitye0
- Direction
- decreasinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“SA and NO have effective functions in decreasing the damages induced by NaCl salinity”
t0“Soybean Plants”
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