Abstract
The role of Arabidopsis thaliana CEO1 (clone eight-one) under cadmium stress was studied by using A. thaliana ceo1 mutants. The result indicated that ceo1 mutant seedlings exhibited dwarfer phenotype, yellower and more curly leaves, and shorter roots after 150 μmol·L-1 CdCl2 treatment for 10 d as compared with the wild-type ones. In addition, the content of H2O2 increased more obviously in the leaves of mutant seedlings after cadmium treatment. The activity of ascorbate peroxidase (APX) evidently increased after cadmium treatment for 1 h and didn’t decrease in the mutants till 2 h, while APX activity began to enhance in the wild-type ones at 2 h after treatment. The activity of glutathione reductase (GR) remarkably increased in the wild-type ones and invisibly changed in the mutants after 2 h treatment. In contrast, the activities of catalase (CAT) and superoxide dismutase (SOD) have no obvious difference between the both types of plants after treatment.
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Claims 9
Claim · model-written summary
After CdCl2 treatment, ceo1 mutant seedlings were dwarfer than wild type.
- Taxon
- Arabidopsis
Arabidopsist0 - Material
- ceo1 mutant seedlingse0
- Treatment
- 150 μmol·L-1 CdCl2 treatment for 10 de0
- Gene
- ceo1e0
- Outcome
- phenotypee0
- Direction
- dwarfere0
- Comparator
- wild-type onese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ceo1 mutant seedlings exhibited dwarfer phenotype, yellower and more curly leaves, and shorter roots after 150 μmol·L-1 CdCl2 treatment for 10 d as compared with the wild-type ones”
t0“Arabidopsis”
Claim · model-written summary
After CdCl2 treatment, ceo1 mutant leaves were yellower and curlier than wild type.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Material
- ceo1 mutant seedlingse0
- Treatment
- 150 μmol·L-1 CdCl2 treatment for 10 de0
- Outcome
- leavese0
- Direction
- yellower and more curlye0
- Comparator
- wild-type onese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ceo1 mutant seedlings exhibited dwarfer phenotype, yellower and more curly leaves, and shorter roots after 150 μmol·L-1 CdCl2 treatment for 10 d as compared with the wild-type ones”
t0“Arabidopsis thaliana CEO1 (clone eight-one)”
Claim · model-written summary
After CdCl2 treatment, ceo1 mutant roots were shorter than wild type.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Material
- ceo1 mutant seedlingse0
- Treatment
- 150 μmol·L-1 CdCl2 treatment for 10 de0
- Outcome
- rootse0
- Direction
- shortere0
- Comparator
- wild-type onese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ceo1 mutant seedlings exhibited dwarfer phenotype, yellower and more curly leaves, and shorter roots after 150 μmol·L-1 CdCl2 treatment for 10 d as compared with the wild-type ones”
t0“Arabidopsis thaliana CEO1 (clone eight-one)”
Claim · model-written summary
After cadmium treatment, mutant seedling leaves had a greater H2O2 increase.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Material
- mutant seedlingse0
- Organ / stage
- leavese0
- Outcome
- content of H2O2e0
- Direction
- increased more obviouslye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the content of H2O2 increased more obviously in the leaves of mutant seedlings after cadmium treatment”
t0“Arabidopsis thaliana CEO1 (clone eight-one)”
Claim · model-written summary
In mutants, APX activity increased after 1 h of cadmium treatment and remained elevated until 2 h.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Material
- mutantse0
- Gene
- ascorbate peroxidase (APX)e0
- Outcome
- activity of ascorbate peroxidase (APX)e0
- Direction
- increasede0
- Qualifier
- till 2 he0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The activity of ascorbate peroxidase (APX) evidently increased after cadmium treatment for 1 h and didn’t decrease in the mutants till 2 h”
t0“Arabidopsis thaliana CEO1 (clone eight-one)”
Claim · model-written summary
Wild-type APX activity began increasing after 2 h of cadmium treatment.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Material
- wild-type onese0
- Gene
- APXe0
- Outcome
- APX activitye0
- Direction
- enhancee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“APX activity began to enhance in the wild-type ones at 2 h after treatment”
t0“Arabidopsis thaliana CEO1 (clone eight-one)”
Claim · model-written summary
Wild-type GR activity markedly increased after 2 h of treatment.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Material
- wild-type onese0
- Gene
- glutathione reductase (GR)e0
- Outcome
- activity of glutathione reductase (GR)e0
- Direction
- remarkably increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The activity of glutathione reductase (GR) remarkably increased in the wild-type ones”
t0“Arabidopsis thaliana CEO1 (clone eight-one)”
Claim · model-written summary
Mutant GR activity showed no visible change after 2 h of treatment.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Material
- mutantse0
- Gene
- GRe1
- Outcome
- activity of glutathione reductase (GR)e1
- Direction
- invisibly changede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“invisibly changed in the mutants after 2 h treatment”
e1“The activity of glutathione reductase (GR) remarkably increased in the wild-type ones”
t0“Arabidopsis thaliana CEO1 (clone eight-one)”
Claim · model-written summary
CAT and SOD activities showed no obvious difference between types after treatment.
- Taxon
- Arabidopsis thalianaArabidopsis thalianat0
- Gene
- catalase (CAT) and superoxide dismutase (SOD)e0
- Outcome
- activities of catalase (CAT) and superoxide dismutase (SOD)e0
- Direction
- no obvious differencee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“activities of catalase (CAT) and superoxide dismutase (SOD) have no obvious difference between the both types of plants after treatment”
t0“Arabidopsis thaliana CEO1 (clone eight-one)”