Abstract
Proline is one of the most important osmoreg- ulatory solutes subjected to osmotic stresses. In this study, low nitrogen supply suppressed the dry biomass, leaf area, and proline biosynthesis of the seedlings of the energy plant Jatropha curcas, which could grow in poor, dry soil. Low-nitrogen stress induced JcP5CS mRNA expression and decreased the activity of P5CS enzyme and the content of free proline in leaves of J. curcas seedlings. When the seedlings grown in low-nitrogen conditions were suddenly exposed to PEG-6000 (-1.6 MPa) stress, the expression of JcP5CS gene was highly induced, and both the activity of P5CS and the content of free proline increased and main- tained at high levels to mitigate the impact of drought stresses. This may be one of the reasons why J. curcas could adapt to poor and drought conditions.
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Claims 5
Claim · model-written summary
Low nitrogen suppressed seedling dry biomass, leaf area, and proline biosynthesis.
- Taxon
- Jatropha curcas
_tree_at_Samedha.jpg?width=60)
Jatropha curcase0 - Treatment
- low nitrogen supplye0
- Outcome
- dry biomass, leaf area, and proline biosynthesise0
- Direction
- suppressede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_tree_at_Samedha.jpg?width=500)
Verbatim
e0“low nitrogen supply suppressed the dry biomass, leaf area, and proline biosynthesis of the seedlings of the energy plant Jatropha curcas”
Claim · model-written summary
Low nitrogen induced JcP5CS mRNA expression.
- Taxon
- J. curcasJatropha curcase1
- Treatment
- Low-nitrogen stresse0
- Gene
- JcP5CSe0
- Outcome
- JcP5CS mRNA expressione0
- Direction
- inducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Low-nitrogen stress induced JcP5CS mRNA expression”
e1“J. curcas seedlings”
Claim · model-written summary
Low nitrogen decreased P5CS enzyme activity and free proline content in seedling leaves.
- Taxon
- J. curcasJatropha curcase0
- Organ / stage
- leavese0
- Treatment
- Low-nitrogen stresse0
- Gene
- P5CS enzymee0
- Outcome
- activity of P5CS enzyme and the content of free prolinee0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Low-nitrogen stress induced JcP5CS mRNA expression and decreased the activity of P5CS enzyme and the content of free proline in leaves of J. curcas seedlings”
Claim · model-written summary
PEG-6000 drought stress highly induced JcP5CS expression in low-nitrogen seedlings.
- Taxon
- Jatropha curcasJatropha curcast0
- Treatment
- PEG-6000 (-1.6 MPa) stresse0
- Gene
- JcP5CS genee0
- Outcome
- expression of JcP5CS genee0
- Direction
- highly inducede0
- Qualifier
- grown in low-nitrogen conditionse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When the seedlings grown in low-nitrogen conditions were suddenly exposed to PEG-6000 (-1.6 MPa) stress, the expression of JcP5CS gene was highly induced”
t0“Jatropha curcas seedling”
Claim · model-written summary
PEG-6000 drought stress increased P5CS activity and free proline content in low-nitrogen seedlings, maintaining high levels.
- Taxon
- Jatropha curcasJatropha curcast0
- Treatment
- PEG-6000 (-1.6 MPa) stresse0
- Gene
- P5CSe0
- Outcome
- activity of P5CS and the content of free prolinee0
- Direction
- increasede0
- Qualifier
- grown in low-nitrogen conditionse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When the seedlings grown in low-nitrogen conditions were suddenly exposed to PEG-6000 (-1.6 MPa) stress, the expression of JcP5CS gene was highly induced, and both the activity of P5CS and the content of free proline increased and main- tained at high levels”
t0“Jatropha curcas seedling”
The same questions in other papers
nitrogen · physiology: osmolytes · Jatropha curcasResults agree
1 paper in the same direction as this paper
This paper is about lacking the nutrient, so it counts the other way round here.
- positive
drought · physiology: osmolytes · Jatropha curcasResults agree
4 papers in the same direction as this paper
- positive
- positive
- positive
1 paper more in this group
See all 5 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.