Abstract
Salt stress is a major abiotic factor limiting crop productivity worldwide, as it disrupts plant growth, metabolism, and survival. In this study, we report that the genes PvPR10-2 and PvPR10-3 were significantly up-regulated in bean leaves and stems in response to combined salt and jasmonic acid (NaCl–JA) treatment. Foliar application of JA with salt induced physiological alterations, including stem growth inhibition, H2O2 accumulation, and activation of antioxidant enzymes. To investigate the role of PvPR10-3 in response to salt and phytohormones, we introduced this gene into Arabidopsis and found that its heterologous expression conferred salt tolerance to the transgenic lines. Interestingly, exogenous JA contributed to salt tolerance by reducing H2O2 levels, inducing ROS-scavenging enzymes, and promoting the accumulation of phenolic compounds and ABA. Furthermore, gene expression analysis of the transgenic lines revealed that PvPR10-3 expression under NaCl–JA stress is associated with the induction of JA-related genes like MYC2, JAZ2, JAZ11, and JAZ12, as well as SA-responsive genes, like ALD1 and TGA2, and two ABA-independent components DREB2A and ERD1, suggesting potential coordination between JA, ABA, and SA signaling in salt stress response. Additionally, key flowering regulators (FT, GI) were upregulated in transgenic lines under NaCl–JA treatment, suggesting a previously unexplored link between salt tolerance pathways and the regulation of flowering time. Taken together, our findings suggest a role of PvPR10-3 in enhancing salt stress tolerance and the involvement of exogenous JA in tolerance potentially by modulating ROS balance, hormone-associated gene expression, and protective secondary metabolites.
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Claims 10
Claim · model-written summary
Combined NaCl and JA upregulated PvPR10-2 and PvPR10-3 in bean leaves and stems.
- Taxon
- beane0
- Organ / stage
- leaves and stemse0
- Treatment
- combined salt and jasmonic acid (NaCl–JA) treatmente0
- Gene
- PvPR10-2 and PvPR10-3e0
- Outcome
- PvPR10-2 and PvPR10-3e0
- Direction
- up-regulatede0
Not reportedComparator
Verbatim
e0“the genes PvPR10-2 and PvPR10-3 were significantly up-regulated in bean leaves and stems in response to combined salt and jasmonic acid (NaCl–JA) treatment.”
Claim · model-written summary
JA with salt inhibited bean stem growth.
Not reportedComparator
Verbatim
e0“Foliar application of JA with salt induced physiological alterations, including stem growth inhibition, H2O2 accumulation, and activation of antioxidant enzymes.”
e1“bean leaves and stems in response to combined salt and jasmonic acid (NaCl–JA) treatment”
Claim · model-written summary
JA with salt increased H2O2 accumulation in bean.
Not reportedComparatorDirection
Verbatim
e0“Foliar application of JA with salt induced physiological alterations, including stem growth inhibition, H2O2 accumulation, and activation of antioxidant enzymes.”
e1“bean leaves and stems in response to combined salt and jasmonic acid (NaCl–JA) treatment”
Claim · model-written summary
JA with salt activated antioxidant enzymes in bean.
- Taxon
- beane1
- Treatment
- Foliar application of JA with salte0
- Outcome
- antioxidant enzymese0
- Direction
- activatione0
Not reportedComparator
Verbatim
e0“Foliar application of JA with salt induced physiological alterations, including stem growth inhibition, H2O2 accumulation, and activation of antioxidant enzymes.”
e1“bean leaves and stems in response to combined salt and jasmonic acid (NaCl–JA) treatment”
Claim · model-written summary
PvPR10-3 expression conferred salt tolerance in transgenic Arabidopsis.
- Taxon
- Arabidopsis
Arabidopsist0 - Treatment
- heterologous expressione0
- Gene
- PvPR10-3t0
- Outcome
- salt tolerancee0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“its heterologous expression conferred salt tolerance to the transgenic lines.”
t0“PvPR10-3 Expression Confers Salt Stress Tolerance in Arabidopsis”
Claim · model-written summary
Exogenous JA reduced H2O2 levels under salt stress.
- Taxon
- ArabidopsisArabidopsist0
- Treatment
- exogenous JAe0
- Outcome
- H2O2 levelse0
- Direction
- reducinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“exogenous JA contributed to salt tolerance by reducing H2O2 levels, inducing ROS-scavenging enzymes, and promoting the accumulation of phenolic compounds and ABA.”
t0“Arabidopsis”
Claim · model-written summary
Exogenous JA induced ROS-scavenging enzymes.
- Taxon
- ArabidopsisArabidopsist0
- Treatment
- exogenous JAe0
- Outcome
- ROS-scavenging enzymese0
- Direction
- inducinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“exogenous JA contributed to salt tolerance by reducing H2O2 levels, inducing ROS-scavenging enzymes, and promoting the accumulation of phenolic compounds and ABA.”
t0“Arabidopsis”
Claim · model-written summary
Exogenous JA promoted phenolic compounds and ABA accumulation.
- Taxon
- ArabidopsisArabidopsist0
- Treatment
- exogenous JAe0
- Outcome
- accumulation of phenolic compounds and ABAe0
- Direction
- promotinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“exogenous JA contributed to salt tolerance by reducing H2O2 levels, inducing ROS-scavenging enzymes, and promoting the accumulation of phenolic compounds and ABA.”
t0“Arabidopsis”
Claim · model-written summary
PvPR10-3 expression under NaCl–JA was associated with induction of JA-related, SA-responsive and ABA-independent genes.
- Taxon
- ArabidopsisArabidopsist0
- Gene
- PvPR10-3e0
- Outcome
- induction of JA-related genes like MYC2, JAZ2, JAZ11, and JAZ12e0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“PvPR10-3 expression under NaCl–JA stress is associated with the induction of JA-related genes like MYC2, JAZ2, JAZ11, and JAZ12, as well as SA-responsive genes, like ALD1 and TGA2, and two ABA-independent components DREB2A and ERD1”
t0“Arabidopsis”
Claim · model-written summary
FT and GI were upregulated in transgenic lines under NaCl–JA.
- Taxon
- ArabidopsisArabidopsist0
- Treatment
- NaCl–JA treatmente0
- Gene
- FT, GIe0
- Outcome
- key flowering regulators (FT, GI)e0
- Direction
- upregulatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“key flowering regulators (FT, GI) were upregulated in transgenic lines under NaCl–JA treatment”
t0“Arabidopsis”
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See all 76 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.