Abstract
Proline, which is an indicator of stress, is often considered as a good parameter for the testing of plants with good drought tolerance capacity. Thus, exogenous application of proline is a possible technique to avoid the deleterious effects of the drought on plant growth. The objectives of this study are to investigate the impact exogenous proline on the physiological behavior of two plant species, bread wheat, a monocot, and lentil, a dicot, under drought stress conditions. After several preliminary tests, optimal concentrations of exogenous proline were determined (6 mM for bread wheat and 2 mM for lentil) and both species were treated in normal and drought conditions. The results showed that water deficit affected both species leading to a reduction in growth, chlorophyll content and relative water content. Likewise, 15 % PEG-6000, which is equivalent to osmotic potential of -0.31MPa, caused a high accumulation of proline. In almost of cases we also noted a remarkable decrease in catalase (Cat), ascorbate peroxidase (APX) and gaiacol peroxidase (GPX) activities which was probably due to the oxidative stress caused by drought stress. The application of proline in stressful conditions reduced the deleterious effects caused by the stress on both species, due, particularly, to the accumulation of free endogenous proline and the increase of Cat, APX and GPX activities.
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Claims 12
Claim · model-written summary
Water deficit reduced growth, chlorophyll content and relative water content in bread wheat.
- Taxon
- bread wheat
Triticum aestivume7 - Treatment
- water deficite0
- Outcome
- growth, chlorophyll content and relative water contente0
- Direction
- reductione0
- Comparator
- normale2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“water deficit affected both species leading to a reduction in growth, chlorophyll content and relative water content”
e7“bread wheat, a monocot, and lentil, a dicot”
e2“both species were treated in normal and drought conditions”
Claim · model-written summary
Water deficit reduced growth, chlorophyll content and relative water content in lentil.
- Taxon
- lentil
Lens culinarise7 - Treatment
- water deficite0
- Outcome
- growth, chlorophyll content and relative water contente0
- Direction
- reductione0
- Comparator
- normale2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“water deficit affected both species leading to a reduction in growth, chlorophyll content and relative water content”
e7“bread wheat, a monocot, and lentil, a dicot”
e2“both species were treated in normal and drought conditions”
Claim · model-written summary
PEG-6000 drought treatment caused a high accumulation of proline in bread wheat.
- Taxon
- bread wheatTriticum aestivume7
- Treatment
- 15 % PEG-6000e1
- Outcome
- prolinee2
- Direction
- high accumulatione2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“15 % PEG-6000”
e2“caused a high accumulation of proline”
e7“bread wheat, a monocot, and lentil, a dicot”
Claim · model-written summary
PEG-6000 drought treatment caused a high accumulation of proline in lentil.
- Taxon
- lentilLens culinarise7
- Treatment
- 15 % PEG-6000e1
- Outcome
- prolinee2
- Direction
- high accumulatione2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“15 % PEG-6000”
e2“caused a high accumulation of proline”
e7“bread wheat, a monocot, and lentil, a dicot”
Claim · model-written summary
Catalase, ascorbate peroxidase and guaiacol peroxidase activities decreased in bread wheat under drought.
- Taxon
- bread wheatTriticum aestivume7
- Gene
- catalase (Cat), ascorbate peroxidase (APX) and gaiacol peroxidase (GPX)e3
- Outcome
- activitiese3
- Direction
- remarkable decreasee3
- Qualifier
- In almost of casese3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“In almost of cases we also noted a remarkable decrease in catalase (Cat), ascorbate peroxidase (APX) and gaiacol peroxidase (GPX) activities”
e7“bread wheat, a monocot, and lentil, a dicot”
Claim · model-written summary
Catalase, ascorbate peroxidase and guaiacol peroxidase activities decreased in lentil under drought.
- Taxon
- lentilLens culinarise7
- Gene
- catalase (Cat), ascorbate peroxidase (APX) and gaiacol peroxidase (GPX)e3
- Outcome
- activitiese3
- Direction
- remarkable decreasee3
- Qualifier
- In almost of casese3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“In almost of cases we also noted a remarkable decrease in catalase (Cat), ascorbate peroxidase (APX) and gaiacol peroxidase (GPX) activities”
e7“bread wheat, a monocot, and lentil, a dicot”
Claim · model-written summary
Exogenous proline application reduced drought-caused deleterious effects in bread wheat.
- Taxon
- bread wheatTriticum aestivume7
- Treatment
- application of prolinee4
- Outcome
- deleterious effects caused by the stresse4
- Direction
- reducede4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“The application of proline in stressful conditions reduced the deleterious effects caused by the stress on both species”
e7“bread wheat, a monocot, and lentil, a dicot”
Claim · model-written summary
Exogenous proline application reduced drought-caused deleterious effects in lentil.
- Taxon
- lentilLens culinarise7
- Treatment
- application of prolinee4
- Outcome
- deleterious effects caused by the stresse4
- Direction
- reducede4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“The application of proline in stressful conditions reduced the deleterious effects caused by the stress on both species”
e7“bread wheat, a monocot, and lentil, a dicot”
Claim · model-written summary
Accumulation of free endogenous proline is proposed to explain reduced drought damage in bread wheat.
- Taxon
- bread wheatTriticum aestivume7
- Compound
- free endogenous prolinee5
- Outcome
- deleterious effects caused by the stresse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“due, particularly, to the accumulation of free endogenous proline”
e4“The application of proline in stressful conditions reduced the deleterious effects caused by the stress on both species”
e7“bread wheat, a monocot, and lentil, a dicot”
Claim · model-written summary
Accumulation of free endogenous proline is proposed to explain reduced drought damage in lentil.
- Taxon
- lentilLens culinarise7
- Compound
- free endogenous prolinee5
- Outcome
- deleterious effects caused by the stresse4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e5“due, particularly, to the accumulation of free endogenous proline”
e4“The application of proline in stressful conditions reduced the deleterious effects caused by the stress on both species”
e7“bread wheat, a monocot, and lentil, a dicot”
Claim · model-written summary
Catalase, ascorbate peroxidase and guaiacol peroxidase activities increased in bread wheat with proline application.
- Taxon
- bread wheatTriticum aestivume7
- Gene
- Cat, APX and GPXe6
- Outcome
- activitiese6
- Direction
- increasee6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“the increase of Cat, APX and GPX activities”
e7“bread wheat, a monocot, and lentil, a dicot”
Claim · model-written summary
Catalase, ascorbate peroxidase and guaiacol peroxidase activities increased in lentil with proline application.
- Taxon
- lentilLens culinarise7
- Gene
- Cat, APX and GPXe6
- Outcome
- activitiese6
- Direction
- increasee6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“the increase of Cat, APX and GPX activities”
e7“bread wheat, a monocot, and lentil, a dicot”
The same questions in other papers
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See all 206 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.