Abstract
The effects of salt stress on antioxidative activities were investigated in a coastal halophyte, Cakile maritima . Two Tunisian accessions, Jerba and Tabarka, were compared. Plants were subjected to 100, 200, or 400 m M NaCl for 20 days. Parameters of oxidative stress [malondialdehyde (MDA), electrolyte leakage (EL), and hydrogen peroxide (H 2 O 2 ) concentration], activities of several enzymes [superoxide dismutase (SOD), catalase (CAT), peroxydase (POD), ascorbate peroxidase (APX), monodehydroascorbate reductase (MDHAR), dehydroascorbate reductase (DHAR), and glutathione reductase (GR)], and antioxidant molecules (ascorbate, ASC, and glutathione, GSH) were determined. Growth of Jerba plants was improved at 100 m M NaCl as compared to that of control. Tabarka growth was inhibited by salt at all NaCl concentrations. The relative salt tolerance of Jerba was associated with high antioxidant enzyme activities and glutathione content, together with low MDA content, EL, and H 2 O 2 concentration. Lower antioxidant activities and higher MDA content, EL, and H 2 O 2 concentration were found in Tabarka. As a whole, these data suggest that the capacity to limit oxidative damage is important for salt tolerance of C. maritima .
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Claims 7
Claim · model-written summary
Jerba growth improved at 100 m M NaCl relative to control.
- Taxon
- Cakile maritima
.jpg?width=60)
Cakile maritimat0 - Material
- Jerbae0
- Treatment
- 100 m M NaCle0
- Outcome
- Growthe0
- Direction
- improvede0
- Comparator
- controle0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Growth of Jerba plants was improved at 100 m M NaCl as compared to that of control”
t0“Cakile maritima”
Claim · model-written summary
Salt inhibited Tabarka growth at all tested concentrations.
- Taxon
- Cakile maritimaCakile maritimat0
- Material
- Tabarkae0
- Treatment
- salte0
- Outcome
- growthe0
- Direction
- inhibitede0
- Qualifier
- all NaCl concentrationse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Tabarka growth was inhibited by salt at all NaCl concentrations”
t0“Cakile maritima”
Claim · model-written summary
Jerba salt tolerance was associated with high antioxidant enzyme activities and glutathione content.
- Taxon
- Cakile maritimaCakile maritimat0
- Material
- Jerbae0
- Outcome
- relative salt tolerancee0
- Qualifier
- high antioxidant enzyme activities and glutathione contente0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“relative salt tolerance of Jerba was associated with high antioxidant enzyme activities and glutathione content”
t0“Cakile maritima”
Claim · model-written summary
Jerba salt tolerance was associated with low MDA content, EL, and H 2 O 2 concentration.
- Taxon
- Cakile maritimaCakile maritimat0
- Material
- Jerbae0
- Outcome
- relative salt tolerancee0
- Qualifier
- low MDA content, EL, and H 2 O 2 concentratione0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“relative salt tolerance of Jerba was associated with high antioxidant enzyme activities and glutathione content, together with low MDA content, EL, and H 2 O 2 concentration”
t0“Cakile maritima”
Claim · model-written summary
Tabarka had lower antioxidant activities.
- Taxon
- Cakile maritimaCakile maritimat0
- Material
- Tabarkae0
- Outcome
- antioxidant activitiese0
- Direction
- Lowere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Lower antioxidant activities and higher MDA content, EL, and H 2 O 2 concentration were found in Tabarka”
t0“Cakile maritima”
Claim · model-written summary
Tabarka had higher MDA content, EL, and H 2 O 2 concentration.
- Taxon
- Cakile maritimaCakile maritimat0
- Material
- Tabarkae0
- Outcome
- MDA content, EL, and H 2 O 2 concentratione0
- Direction
- highere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“higher MDA content, EL, and H 2 O 2 concentration were found in Tabarka”
t0“Cakile maritima”
Claim · model-written summary
Limiting oxidative damage may contribute to salt tolerance.
- Taxon
- C. maritimaCakile maritimae0
- Outcome
- salt tolerancee0
- Qualifier
- capacity to limit oxidative damagee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“capacity to limit oxidative damage is important for salt tolerance of C. maritima”
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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.