Abstract
To investigate the relationship between hydrogen peroxide(H2O2) levels in guard cells and stomatal opening induced by fusicoccin(FC) in Vicia faba.The results indicated that stomatal opening in darkness induced by FC,ascorbic acid(ASA),diphenylene iodonium(DPI),and NADPH oxidase was obvious.Additionally,FC and ASA not only prevented stomatal closure induced by exogenous H2O2 but also promoted the stomatal closed by dark to reopen.Howerer,the similar phenomena were not observed in presence of DPI.Based on the results mentioned above,that FC probably reduce the levels of H2O2 in guard cells by scavenging directly to induce stomatal opening in darkness.
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Claims 5
Claim · model-written summary
FC, ASA, DPI and NADPH oxidase induced obvious stomatal opening in darkness.
- Taxon
- Vicia faba
Vicia fabae1 - Treatment
- FC,ascorbic acid(ASA),diphenylene iodonium(DPI),and NADPH oxidasee0
- Outcome
- stomatal opening in darknesse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“stomatal opening in darkness induced by FC,ascorbic acid(ASA),diphenylene iodonium(DPI),and NADPH oxidase was obvious”
e1“in Vicia faba”
Claim · model-written summary
FC and ASA prevented exogenous H2O2-induced stomatal closure.
- Taxon
- Vicia fabaVicia fabat0
- Treatment
- FC and ASAe0
- Outcome
- stomatal closure induced by exogenous H2O2e0
- Direction
- preventede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“FC and ASA not only prevented stomatal closure induced by exogenous H2O2”
t0“Vicia faba”
Claim · model-written summary
FC and ASA reopened stomata closed by darkness.
- Taxon
- Vicia fabaVicia fabat0
- Treatment
- FC and ASAe0
- Outcome
- stomatal closed by dark to reopene0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“FC and ASA not only prevented stomatal closure induced by exogenous H2O2 but also promoted the stomatal closed by dark to reopen”
t0“Vicia faba”
Claim · model-written summary
DPI did not show similar reversal of closure.
- Taxon
- Vicia fabaVicia fabat0
- Treatment
- DPIe0
- Outcome
- similar phenomena were not observede0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the similar phenomena were not observed in presence of DPI”
t0“Vicia faba”
Claim · model-written summary
The authors proposed that FC directly scavenges guard-cell H2O2 to open stomata in darkness.
- Taxon
- Vicia fabaVicia fabat0
- Treatment
- FCe0
- Compound
- H2O2e0
- Outcome
- stomatal opening in darknesse0
- Direction
- reducee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“FC probably reduce the levels of H2O2 in guard cells by scavenging directly to induce stomatal opening in darkness”
t0“Vicia faba”
The same questions in other papers
dibenziodolium · physiology: gas exchange · Vicia faba (faba bean)Results differ
1 paper in the same direction as this paper · 3 in the opposite direction
- negative
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See all 5 papers →fusicoccin · physiology: gas exchange · Vicia faba (faba bean)Positive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
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ascorbic acid · physiology: gas exchange · Vicia faba (faba bean)Positive and negative results
5 papers in the same direction as this paper · 1 in the opposite direction
- no effect
- positive
- positive
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See all 7 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.