Abstract
Several abiotic factors cause molecular damage to plants either directly or through the accumulation of reactive oxygen species such as hydrogen peroxide (H2O2). We investigated if application of nitric oxide (NO) donor 2,2′-(hydroxynitrosohydrazono) bis-ethanimine (DETA/NO) could reduce the toxic effect resulting from short-term salt stress. Salt treatment (150 mM NaCl) alone and in combination with 10 μM DETA/NO or 10 μM DETA were given to matured soybean root nodules for 24 h. Salt stress resulted in high H2O2 level and lipid peroxidation while application of DETA/NO effectively reduced H2O2 level and prevented lipid peroxidation in the soybean root nodules. NO treatment increased the activities of ascorbate peroxidase and dehydroascorbate reductase under salt stress. Whereas short-term salt stress reduced AsA/DHAsA and GSH/GSSG ratios, application of the NO donor resulted in an increase of the reduced form of the antioxidant metabolites thus increasing the AsA/DHAsA and GSH/GSSG ratios. Our data suggests a protective role of NO against salt stress.
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Claims 7
Claim · model-written summary
Salt stress raised H2O2 in soybean root nodules.
- Taxon
- soybean
Glycine maxe1 - Organ / stage
- root nodulese1
- Treatment
- Salt treatment (150 mM NaCl)e1
- Outcome
- H2O2 levele0
- Direction
- highe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salt stress resulted in high H2O2 level and lipid peroxidation”
e1“Salt treatment (150 mM NaCl) alone and in combination with 10 μM DETA/NO or 10 μM DETA were given to matured soybean root nodules for 24 h”
Claim · model-written summary
Salt stress increased lipid peroxidation in soybean nodules.
- Taxon
- soybeanGlycine maxe1
- Organ / stage
- root nodulese1
- Treatment
- Salt treatment (150 mM NaCl)e1
- Outcome
- lipid peroxidatione0
- Direction
- highe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Salt stress resulted in high H2O2 level and lipid peroxidation”
e1“Salt treatment (150 mM NaCl) alone and in combination with 10 μM DETA/NO or 10 μM DETA were given to matured soybean root nodules for 24 h”
Claim · model-written summary
DETA/NO reduced H2O2 in salt-stressed soybean nodules.
- Taxon
- soybeanGlycine maxe0
- Treatment
- application of DETA/NOe0
- Outcome
- H2O2 levele0
- Direction
- reducede0
- Comparator
- Salt treatment (150 mM NaCl) alonee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“application of DETA/NO effectively reduced H2O2 level and prevented lipid peroxidation in the soybean root nodules”
e1“Salt treatment (150 mM NaCl) alone and in combination with 10 μM DETA/NO or 10 μM DETA were given to matured soybean root nodules for 24 h”
Claim · model-written summary
DETA/NO prevented lipid peroxidation in salt-stressed soybean nodules.
- Taxon
- soybeanGlycine maxe0
- Treatment
- application of DETA/NOe0
- Outcome
- lipid peroxidatione0
- Direction
- preventede0
- Comparator
- Salt treatment (150 mM NaCl) alonee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“application of DETA/NO effectively reduced H2O2 level and prevented lipid peroxidation in the soybean root nodules”
e1“Salt treatment (150 mM NaCl) alone and in combination with 10 μM DETA/NO or 10 μM DETA were given to matured soybean root nodules for 24 h”
Claim · model-written summary
NO treatment increased ascorbate peroxidase and dehydroascorbate reductase activities under salt stress.
- Taxon
- soybeanGlycine maxt0
- Organ / stage
- root nodulest0
- Treatment
- NO treatmente0
- Outcome
- activities of ascorbate peroxidase and dehydroascorbate reductasee0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NO treatment increased the activities of ascorbate peroxidase and dehydroascorbate reductase under salt stress”
t0“soybean root nodules”
Claim · model-written summary
Short-term salt stress reduced AsA/DHAsA and GSH/GSSG ratios.
- Taxon
- soybeanGlycine maxt0
- Treatment
- short-term salt stresse0
- Outcome
- AsA/DHAsA and GSH/GSSG ratiose0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“short-term salt stress reduced AsA/DHAsA and GSH/GSSG ratios”
t0“soybean root nodules”
Claim · model-written summary
NO donor increased reduced antioxidant metabolites and AsA/DHAsA and GSH/GSSG ratios.
- Taxon
- soybeanGlycine maxt0
- Treatment
- application of the NO donore0
- Outcome
- AsA/DHAsA and GSH/GSSG ratiose0
- Direction
- increasinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“application of the NO donor resulted in an increase of the reduced form of the antioxidant metabolites thus increasing the AsA/DHAsA and GSH/GSSG ratios”
t0“soybean root nodules”
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