Abstract
Abstract The effects of NaCl stress on the activity of anti‐oxidant enzymes (superoxide dismutase, catalase (CAT), peroxidase (POD), ascorbate peroxidase (APX), monodehydroascorbate reductase, dehydroascorbate reductase (DHAR), and glutathione reductase (GR)), anti‐oxidant molecules (ascorbate and glutathione), and parameters of oxidative stress (malondialdehyde (MDA), electrolyte leakage, and H 2 O 2 concentrations) were investigated in Cakile maritima , a halophyte frequent along the Tunisian seashore. Seedlings were grown in the presence of salt (100, 200, and 400 mmol/L NaCl). Plants were harvested periodically over 20 days. Growth was maximal in the presence of 0–100 mmol/L NaCl. At 400 mmol/L NaCl, growth decreased significantly. The salt tolerance of C. maritima , at moderate salinities, was associated with the lowest values of the parameters indicative of oxidative stress, namely the highest activities of POD, CAT, APX, DHAR, and GR and high tissue content of ascorbate and glutathione. However, prolonged exposure to high salinity resulted in a decrease in anti‐oxidant activities and high MDA content, electrolyte leakage, and H 2 O 2 concentrations. These results suggest that anti‐oxidant systems participate in the tolerance of C. maritima to moderate salinities.
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Claims 9
Claim · model-written summary
Growth of Cakile maritima was maximal at 0–100 mmol/L NaCl.
- Taxon
- Cakile maritima
.jpg?width=60)
Cakile maritimat0 - Treatment
- 0–100 mmol/L NaCle0
- Outcome
- Growthe0
- Direction
- maximale0
Not reportedComparatorValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
t0“Halophyte Cakile maritima”
e0“Growth was maximal in the presence of 0–100 mmol/L NaCl”
Claim · model-written summary
Growth decreased significantly at 400 mmol/L NaCl.
- Taxon
- Cakile maritimaCakile maritimat0
- Treatment
- 400 mmol/L NaCle1
- Outcome
- growthe1
- Direction
- decreasede1
Not reportedComparatorValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Halophyte Cakile maritima”
e1“At 400 mmol/L NaCl, growth decreased significantly”
Claim · model-written summary
Salt tolerance at moderate salinities was associated with the lowest values of parameters indicating oxidative stress.
- Taxon
- Cakile maritimaCakile maritimat0
- Treatment
- moderate salinitiese2
- Outcome
- values of the parameters indicative of oxidative stresse2
- Direction
- loweste2
Not reportedSetting
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Halophyte Cakile maritima”
e2“The salt tolerance of C. maritima , at moderate salinities, was associated with the lowest values of the parameters indicative of oxidative stress”
Claim · model-written summary
At moderate salinities, POD, CAT and APX activities were highest.
- Taxon
- Cakile maritimaCakile maritimat0
- Treatment
- moderate salinitiese2
- Outcome
- activities of POD, CAT, APXe3
- Direction
- higheste3
Not reportedSetting
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Halophyte Cakile maritima”
e2“The salt tolerance of C. maritima , at moderate salinities, was associated with the lowest values of the parameters indicative of oxidative stress”
e3“namely the highest activities of POD, CAT, APX, DHAR, and GR and high tissue content of ascorbate and glutathione”
Claim · model-written summary
At moderate salinities, DHAR and GR activities were highest.
- Taxon
- Cakile maritimaCakile maritimat0
- Treatment
- moderate salinitiese2
- Outcome
- DHAR, and GRe3
- Direction
- higheste3
Not reportedSetting
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Halophyte Cakile maritima”
e2“The salt tolerance of C. maritima , at moderate salinities, was associated with the lowest values of the parameters indicative of oxidative stress”
e3“namely the highest activities of POD, CAT, APX, DHAR, and GR and high tissue content of ascorbate and glutathione”
Claim · model-written summary
At moderate salinities, tissue content of ascorbate and glutathione was high.
- Taxon
- Cakile maritimaCakile maritimat0
- Treatment
- moderate salinitiese2
- Outcome
- tissue content of ascorbate and glutathionee3
- Direction
- highe3
Not reportedSetting
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Halophyte Cakile maritima”
e2“The salt tolerance of C. maritima , at moderate salinities, was associated with the lowest values of the parameters indicative of oxidative stress”
e3“namely the highest activities of POD, CAT, APX, DHAR, and GR and high tissue content of ascorbate and glutathione”
Claim · model-written summary
Prolonged exposure to high salinity decreased anti‐oxidant activities.
- Taxon
- Cakile maritimaCakile maritimat0
- Treatment
- prolonged exposure to high salinitye4
- Outcome
- anti‐oxidant activitiese4
- Direction
- decreasee4
Not reportedComparatorValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Halophyte Cakile maritima”
e4“However, prolonged exposure to high salinity resulted in a decrease in anti‐oxidant activities and high MDA content, electrolyte leakage, and H 2 O 2 concentrations”
Claim · model-written summary
Prolonged exposure to high salinity increased MDA content, electrolyte leakage and H2O2 concentrations.
- Taxon
- Cakile maritimaCakile maritimat0
- Treatment
- prolonged exposure to high salinitye4
- Outcome
- MDA content, electrolyte leakage, and H 2 O 2 concentrationse4
- Direction
- highe4
Not reportedComparatorValue
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Halophyte Cakile maritima”
e4“However, prolonged exposure to high salinity resulted in a decrease in anti‐oxidant activities and high MDA content, electrolyte leakage, and H 2 O 2 concentrations”
Claim · model-written summary
Anti‐oxidant systems are proposed to participate in the tolerance of Cakile maritima to moderate salinities.
- Taxon
- Cakile maritimaCakile maritimat0
- Outcome
- tolerance of C. maritima to moderate salinitiese5
- Qualifier
- anti‐oxidant systemse5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Halophyte Cakile maritima”
e5“These results suggest that anti‐oxidant systems participate in the tolerance of C. maritima to moderate salinities”
The same questions in other papers
sodium chloride · growth · Cakile maritima (European searocket)Results differ
3 papers in the same direction as this paper · 2 in the opposite direction
- positive
- negative
- negative
2 papers more in this group
See all 6 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.