Abstract
The relationships between IAA and ABA, and between BA and ABA in their effects on ethylene production were examined with etiolated mungbean hypocotyl segments. When ABA and IAA were simultaneously applied to the tissues, ABA inhibited IAA-induced ethylene production and the degree of inhibition was solely determined by the ABA concentrations. Increasing concentrations of BA did not affect ABA inhibition. Low concentrations of ABA slightly increased endogenous ethylene production. When ABA and BA were applied together in the presence of IAA, the degree of ABA inhibition was again determined by the ABA concentrations regardless of the BA concentrations. BA did not recover ABA inhibition and ABA did not inhibit the stimulative effect of BA on both endogenous and IAA-induced ethylene production. Almost the same results were obtained with ABA and BA pretreatment of the tissues. This indicates that in the processes of IAA-induced ethylene production, IAA and ABA act in series, but that the actions at their respective sites are independent.
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Claims 9
Claim · model-written summary
ABA inhibited IAA-induced ethylene production in mungbean hypocotyl segments, with inhibition determined by ABA concentration.
- Taxon
- mungbean
.jpg?width=60)
Vigna radiatae1 - Organ / stage
- hypocotyle1
- Treatment
- ABA and IAAe0
- Outcome
- IAA-induced ethylene productione0
- Direction
- inhibitede0
- Qualifier
- ABA concentrationse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“When ABA and IAA were simultaneously applied to the tissues, ABA inhibited IAA-induced ethylene production and the degree of inhibition was solely determined by the ABA concentrations.”
e1“etiolated mungbean hypocotyl segments”
Claim · model-written summary
Increasing BA concentrations did not alter ABA inhibition.
- Taxon
- mungbeanVigna radiatae1
- Treatment
- Increasing concentrations of BAe0
- Outcome
- ABA inhibitione0
- Direction
- did not affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Increasing concentrations of BA did not affect ABA inhibition.”
e1“etiolated mungbean hypocotyl segments”
Claim · model-written summary
Low ABA concentrations slightly increased endogenous ethylene production.
- Taxon
- mungbeanVigna radiatae1
- Treatment
- Low concentrations of ABAe0
- Outcome
- endogenous ethylene productione0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Low concentrations of ABA slightly increased endogenous ethylene production.”
e1“etiolated mungbean hypocotyl segments”
Claim · model-written summary
With IAA present, ABA inhibition depended on ABA concentration regardless of BA concentration.
- Taxon
- mungbeanVigna radiatae1
- Treatment
- ABA and BAe0
- Outcome
- degree of ABA inhibitione0
- Qualifier
- in the presence of IAAe0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When ABA and BA were applied together in the presence of IAA, the degree of ABA inhibition was again determined by the ABA concentrations regardless of the BA concentrations.”
e1“etiolated mungbean hypocotyl segments”
Claim · model-written summary
BA did not reverse ABA inhibition.
- Taxon
- mungbeanVigna radiatae1
- Treatment
- BAe0
- Outcome
- ABA inhibitione0
- Direction
- did not recovere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“BA did not recover ABA inhibition”
e1“etiolated mungbean hypocotyl segments”
Claim · model-written summary
ABA did not inhibit the BA stimulation of endogenous ethylene production.
- Taxon
- mungbeanVigna radiatae1
- Treatment
- ABAe0
- Outcome
- endogenouse0
- Direction
- did not inhibite0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ABA did not inhibit the stimulative effect of BA on both endogenous and IAA-induced ethylene production.”
e1“etiolated mungbean hypocotyl segments”
Claim · model-written summary
ABA did not inhibit the BA stimulation of IAA-induced ethylene production.
- Taxon
- mungbeanVigna radiatae1
- Treatment
- ABAe0
- Outcome
- IAA-induced ethylene productione0
- Direction
- did not inhibite0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“ABA did not inhibit the stimulative effect of BA on both endogenous and IAA-induced ethylene production.”
e1“etiolated mungbean hypocotyl segments”
Claim · model-written summary
ABA and BA pretreatment produced almost the same results as simultaneous application.
- Taxon
- mungbeanVigna radiatae1
- Treatment
- ABA and BA pretreatmente0
- Outcome
- Almost the same resultse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Almost the same results were obtained with ABA and BA pretreatment of the tissues.”
e1“etiolated mungbean hypocotyl segments”
Claim · model-written summary
The authors infer that IAA and ABA act in series at independent sites in IAA-induced ethylene production.
- Taxon
- mungbeanVigna radiatae1
- Outcome
- IAA-induced ethylene productione0
- Qualifier
- IAA and ABA act in series, but that the actions at their respective sites are independente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This indicates that in the processes of IAA-induced ethylene production, IAA and ABA act in series, but that the actions at their respective sites are independent.”
e1“etiolated mungbean hypocotyl segments”
The same questions in other papers
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2 papers in the same direction as this paper · 3 in the opposite direction
- positive
- positive
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2 papers more in this group
See all 6 papers →(+)-abscisic acid · physiology: hormones · Vigna radiata (mung bean)Results agree
1 paper in the same direction as this paper
- positive
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.