Abstract
To investigate the physiological mechanisms of salt stress mitigated by exogenous sucrose, Arabidopsis thaliana seedlings grown on Murashige and Skoog medium were treated with 3 % (m/v) sucrose combined with 75, 150, and 225 mM NaCl for 3 d. Our results show that increased salinity significantly decreased the survival rate, fresh mass, content of proteins, chlorophyll a (Chl a), and chlorophyll b (Chl b), and activities of antioxidant enzymes, whereas enhanced the content of malondialdehyde. However, the treatment with sucrose significantly enhanced salt stress tolerance in the Arabidopsis seedlings by decreasing lipid peroxidation and increasing the activities of superoxide dismutase, peroxidase, and catalase, the content of proteins, Chl a, Chl b, anthocyanins, and the transcription of genes involved in anthocyanin biosynthesis. Thus, sucrose might reduce ROS-induced oxidative damage by enhancing activities of antioxidant enzymes and the content of anthocyanins, thereby preventing membrane peroxidation and denaturation of biomolecules.
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Claims 11
Claim · model-written summary
Increasing salinity decreased seedling survival and fresh mass.
- Taxon
- Arabidopsis thaliana
Arabidopsis thalianat0 - Treatment
- increased salinitye0
- Outcome
- survival rate, fresh masse0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Our results show that increased salinity significantly decreased the survival rate, fresh mass, content of proteins, chlorophyll a (Chl a), and chlorophyll b (Chl b), and activities of antioxidant enzymes, whereas enhanced the content of malondialdehyde.”
t0“Arabidopsis thaliana seedlings”
Claim · model-written summary
Increasing salinity decreased protein and chlorophyll contents.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Treatment
- increased salinitye0
- Outcome
- content of proteins, chlorophyll a (Chl a), and chlorophyll b (Chl b)e0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Our results show that increased salinity significantly decreased the survival rate, fresh mass, content of proteins, chlorophyll a (Chl a), and chlorophyll b (Chl b), and activities of antioxidant enzymes, whereas enhanced the content of malondialdehyde.”
t0“Arabidopsis thaliana seedlings”
Claim · model-written summary
Increasing salinity decreased antioxidant enzyme activities.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Treatment
- increased salinitye0
- Outcome
- activities of antioxidant enzymese0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Our results show that increased salinity significantly decreased the survival rate, fresh mass, content of proteins, chlorophyll a (Chl a), and chlorophyll b (Chl b), and activities of antioxidant enzymes, whereas enhanced the content of malondialdehyde.”
t0“Arabidopsis thaliana seedlings”
Claim · model-written summary
Increasing salinity increased malondialdehyde content.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Treatment
- increased salinitye0
- Outcome
- content of malondialdehydee0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Our results show that increased salinity significantly decreased the survival rate, fresh mass, content of proteins, chlorophyll a (Chl a), and chlorophyll b (Chl b), and activities of antioxidant enzymes, whereas enhanced the content of malondialdehyde.”
t0“Arabidopsis thaliana seedlings”
Claim · model-written summary
Sucrose treatment enhanced seedling salt stress tolerance.
- Taxon
- ArabidopsisArabidopsise0
- Treatment
- sucrosee0
- Outcome
- salt stress tolerancee0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“However, the treatment with sucrose significantly enhanced salt stress tolerance in the Arabidopsis seedlings by decreasing lipid peroxidation and increasing the activities of superoxide dismutase, peroxidase, and catalase, the content of proteins, Chl a, Chl b, anthocyanins, and the transcription of genes involved in anthocyanin biosynthesis.”
Claim · model-written summary
Sucrose treatment decreased lipid peroxidation.
- Taxon
- ArabidopsisArabidopsise0
- Treatment
- sucrosee0
- Outcome
- lipid peroxidatione0
- Direction
- decreasinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“However, the treatment with sucrose significantly enhanced salt stress tolerance in the Arabidopsis seedlings by decreasing lipid peroxidation and increasing the activities of superoxide dismutase, peroxidase, and catalase, the content of proteins, Chl a, Chl b, anthocyanins, and the transcription of genes involved in anthocyanin biosynthesis.”
Claim · model-written summary
Sucrose treatment increased activities of superoxide dismutase, peroxidase and catalase.
- Taxon
- ArabidopsisArabidopsise0
- Treatment
- sucrosee0
- Outcome
- activities of superoxide dismutase, peroxidase, and catalasee0
- Direction
- increasinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“However, the treatment with sucrose significantly enhanced salt stress tolerance in the Arabidopsis seedlings by decreasing lipid peroxidation and increasing the activities of superoxide dismutase, peroxidase, and catalase, the content of proteins, Chl a, Chl b, anthocyanins, and the transcription of genes involved in anthocyanin biosynthesis.”
Claim · model-written summary
Sucrose treatment increased protein, Chl a and Chl b contents.
- Taxon
- ArabidopsisArabidopsise0
- Treatment
- sucrosee0
- Outcome
- content of proteins, Chl a, Chl be0
- Direction
- increasinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“However, the treatment with sucrose significantly enhanced salt stress tolerance in the Arabidopsis seedlings by decreasing lipid peroxidation and increasing the activities of superoxide dismutase, peroxidase, and catalase, the content of proteins, Chl a, Chl b, anthocyanins, and the transcription of genes involved in anthocyanin biosynthesis.”
Claim · model-written summary
Sucrose treatment increased anthocyanin content.
- Taxon
- ArabidopsisArabidopsise0
- Treatment
- sucrosee0
- Outcome
- anthocyaninse0
- Direction
- increasinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“However, the treatment with sucrose significantly enhanced salt stress tolerance in the Arabidopsis seedlings by decreasing lipid peroxidation and increasing the activities of superoxide dismutase, peroxidase, and catalase, the content of proteins, Chl a, Chl b, anthocyanins, and the transcription of genes involved in anthocyanin biosynthesis.”
Claim · model-written summary
Sucrose treatment increased transcription of anthocyanin biosynthesis genes.
- Taxon
- ArabidopsisArabidopsise0
- Treatment
- sucrosee0
- Outcome
- transcription of genes involved in anthocyanin biosynthesise0
- Direction
- increasinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“However, the treatment with sucrose significantly enhanced salt stress tolerance in the Arabidopsis seedlings by decreasing lipid peroxidation and increasing the activities of superoxide dismutase, peroxidase, and catalase, the content of proteins, Chl a, Chl b, anthocyanins, and the transcription of genes involved in anthocyanin biosynthesis.”
Claim · model-written summary
The authors propose that sucrose reduces oxidative damage through antioxidant enzymes and anthocyanins.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Treatment
- sucrosee0
- Outcome
- ROS-induced oxidative damagee0
- Qualifier
- by enhancing activities of antioxidant enzymes and the content of anthocyaninse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Thus, sucrose might reduce ROS-induced oxidative damage by enhancing activities of antioxidant enzymes and the content of anthocyanins, thereby preventing membrane peroxidation and denaturation of biomolecules.”
t0“Arabidopsis thaliana seedlings”
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