Abstract
Abstract The combined effect of salicylic acid (SA) and thiourea (TU) on antioxidative response was determined in maize (Zea mays L.) exposed to high temperature stress. Among the varied concentrations used, 200 µM SA + 9 mM TU improved seedling growth in CML 32 (relatively tolerant towards high temperature) and LM 11 (relatively susceptible towards high temperature) genotypes. The increased activities of ascorbate peroxidase (APX) and glutathione reductase (GR) in the roots of CML 32 and shoots of LM 11 seedlings may indicate that SA + TU application induced Halliwell-Asada pathway in these tissues. It might be also suggested that H2O2 detoxification was primarily carried out by SA + TU induced catalase (CAT) and peroxidase (POX) activities in the roots of LM 11 and shoots of CML 32 seedlings. With foliar spray of SA + TU, proline content increased in roots of both the genotypes that might help the maize genotypes in combating heat stress by maintaining osmotic adjustments or by acting as an antioxidant. The contents of H2O2 and malondialdehyde (MDA) decreased in the roots and shoots of foliar sprayed seedlings of both the genotypes.
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Claims 14
Claim · model-written summary
200 µM SA plus 9 mM TU improved CML 32 seedling growth.
Zea maysNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“200 µM SA + 9 mM TU improved seedling growth in CML 32 (relatively tolerant towards high temperature) and LM 11 (relatively susceptible towards high temperature) genotypes.”
e1“maize (Zea mays L.) exposed to high temperature stress”
Claim · model-written summary
200 µM SA plus 9 mM TU improved LM 11 seedling growth.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“200 µM SA + 9 mM TU improved seedling growth in CML 32 (relatively tolerant towards high temperature) and LM 11 (relatively susceptible towards high temperature) genotypes.”
e1“maize (Zea mays L.) exposed to high temperature stress”
Claim · model-written summary
APX and GR activities increased in CML 32 roots following SA plus TU application.
- Material
- CML 32e0
- Organ / stage
- rootse0
- Treatment
- SA + TU applicatione0
- Outcome
- activities of ascorbate peroxidase (APX) and glutathione reductase (GR)e0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The increased activities of ascorbate peroxidase (APX) and glutathione reductase (GR) in the roots of CML 32 and shoots of LM 11 seedlings may indicate that SA + TU application induced Halliwell-Asada pathway in these tissues.”
t0“Maize”
Claim · model-written summary
APX and GR activities increased in LM 11 shoots following SA plus TU application.
- Material
- LM 11e0
- Organ / stage
- shootse0
- Treatment
- SA + TU applicatione0
- Outcome
- activities of ascorbate peroxidase (APX) and glutathione reductase (GR)e0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The increased activities of ascorbate peroxidase (APX) and glutathione reductase (GR) in the roots of CML 32 and shoots of LM 11 seedlings may indicate that SA + TU application induced Halliwell-Asada pathway in these tissues.”
t0“Maize”
Claim · model-written summary
The activity increases may indicate induction of the Halliwell-Asada pathway in CML 32 roots.
- Material
- CML 32e0
- Organ / stage
- rootse0
- Treatment
- SA + TU applicatione0
- Outcome
- Halliwell-Asada pathwaye0
- Qualifier
- may indicatee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The increased activities of ascorbate peroxidase (APX) and glutathione reductase (GR) in the roots of CML 32 and shoots of LM 11 seedlings may indicate that SA + TU application induced Halliwell-Asada pathway in these tissues.”
t0“Maize”
Claim · model-written summary
The activity increases may indicate induction of the Halliwell-Asada pathway in LM 11 shoots.
- Material
- LM 11e0
- Organ / stage
- shootse0
- Treatment
- SA + TU applicatione0
- Outcome
- Halliwell-Asada pathwaye0
- Qualifier
- may indicatee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The increased activities of ascorbate peroxidase (APX) and glutathione reductase (GR) in the roots of CML 32 and shoots of LM 11 seedlings may indicate that SA + TU application induced Halliwell-Asada pathway in these tissues.”
t0“Maize”
Claim · model-written summary
SA plus TU induced CAT and POX activities in LM 11 roots, suggested to primarily detoxify H2O2.
- Material
- LM 11e0
- Organ / stage
- rootse0
- Treatment
- SA + TUe0
- Gene
- catalase (CAT) and peroxidase (POX)e0
- Outcome
- H2O2 detoxificatione0
- Qualifier
- might be also suggestede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“It might be also suggested that H2O2 detoxification was primarily carried out by SA + TU induced catalase (CAT) and peroxidase (POX) activities in the roots of LM 11 and shoots of CML 32 seedlings.”
t0“Maize”
Claim · model-written summary
SA plus TU induced CAT and POX activities in CML 32 shoots, suggested to primarily detoxify H2O2.
- Material
- CML 32e0
- Organ / stage
- shootse0
- Treatment
- SA + TUe0
- Gene
- catalase (CAT) and peroxidase (POX)e0
- Outcome
- H2O2 detoxificatione0
- Qualifier
- might be also suggestede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“It might be also suggested that H2O2 detoxification was primarily carried out by SA + TU induced catalase (CAT) and peroxidase (POX) activities in the roots of LM 11 and shoots of CML 32 seedlings.”
t0“Maize”
Claim · model-written summary
Foliar SA plus TU increased proline content in CML 32 roots.
- Material
- CML 32e1
- Organ / stage
- rootse0
- Treatment
- foliar spray of SA + TUe0
- Outcome
- proline contente0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“With foliar spray of SA + TU, proline content increased in roots of both the genotypes”
e1“CML 32 (relatively tolerant towards high temperature) and LM 11 (relatively susceptible towards high temperature) genotypes”
t0“Maize”
Claim · model-written summary
Foliar SA plus TU increased proline content in LM 11 roots.
- Material
- LM 11e1
- Organ / stage
- rootse0
- Treatment
- foliar spray of SA + TUe0
- Outcome
- proline contente0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“With foliar spray of SA + TU, proline content increased in roots of both the genotypes”
e1“CML 32 (relatively tolerant towards high temperature) and LM 11 (relatively susceptible towards high temperature) genotypes”
t0“Maize”
Claim · model-written summary
Proline might help CML 32 combat heat stress through osmotic adjustment or antioxidant activity.
- Material
- CML 32e1
- Compound
- prolinee0
- Outcome
- combating heat stresse0
- Qualifier
- maintaining osmotic adjustments or by acting as an antioxidante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“proline content increased in roots of both the genotypes that might help the maize genotypes in combating heat stress by maintaining osmotic adjustments or by acting as an antioxidant”
e1“CML 32 (relatively tolerant towards high temperature) and LM 11 (relatively susceptible towards high temperature) genotypes”
Claim · model-written summary
Proline might help LM 11 combat heat stress through osmotic adjustment or antioxidant activity.
- Material
- LM 11e1
- Compound
- prolinee0
- Outcome
- combating heat stresse0
- Qualifier
- maintaining osmotic adjustments or by acting as an antioxidante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“proline content increased in roots of both the genotypes that might help the maize genotypes in combating heat stress by maintaining osmotic adjustments or by acting as an antioxidant”
e1“CML 32 (relatively tolerant towards high temperature) and LM 11 (relatively susceptible towards high temperature) genotypes”
Claim · model-written summary
Foliar treatment decreased H2O2 and MDA contents in CML 32 roots and shoots.
- Material
- CML 32e1
- Organ / stage
- roots and shootse0
- Treatment
- foliar sprayede0
- Outcome
- contents of H2O2 and malondialdehyde (MDA)e0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The contents of H2O2 and malondialdehyde (MDA) decreased in the roots and shoots of foliar sprayed seedlings of both the genotypes.”
e1“CML 32 (relatively tolerant towards high temperature) and LM 11 (relatively susceptible towards high temperature) genotypes”
t0“Maize”
Claim · model-written summary
Foliar treatment decreased H2O2 and MDA contents in LM 11 roots and shoots.
- Material
- LM 11e1
- Organ / stage
- roots and shootse0
- Treatment
- foliar sprayede0
- Outcome
- contents of H2O2 and malondialdehyde (MDA)e0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The contents of H2O2 and malondialdehyde (MDA) decreased in the roots and shoots of foliar sprayed seedlings of both the genotypes.”
e1“CML 32 (relatively tolerant towards high temperature) and LM 11 (relatively susceptible towards high temperature) genotypes”
t0“Maize”
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