Abstract
In hypocotyl segments of mung bean (Phaseolus mungo L.) seedlings, exogenously supplied indoleacetic acid was rapidly conjugated mainly into indoleacetylaspartic acid, which was inactive in inducing ethylene production. Kinetin is known to stimulate indoleacetic acid-induced ethylene production. The mechanism of kinetin action on indoleacetic acid-induced ethylene production by hypocotyl segments of mung bean seedlings was studied in relation to indoleacetic acid uptake and indoleacetic acid metabolism. Kinetin enhanced indoleacetic acid uptake during the initial 2-hour incubation and markedly suppressed the conversion of indoleacetic acid to indoleacetic acid conjugates throughout the whole 7-hour incubation. As a result, there was more free indoleacetic acid and less conjugated indoleacetic acid in the segments treated with kinetin than in those receiving no kinetin. A close relationship was demonstrated between the rate of ethylene production and the level of free indoleacetic acid, which was regulated by kinetin.
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Claims 6
Claim · model-written summary
Applied indoleacetic acid was rapidly conjugated mainly into inactive indoleacetylaspartic acid.
- Taxon
- mung bean
.jpg?width=60)
Vigna radiatae0 - Organ / stage
- hypocotyl segmentse0
- Treatment
- exogenously supplied indoleacetic acide0
- Outcome
- indoleacetylaspartic acide0
- Qualifier
- inactive in inducing ethylene productione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“In hypocotyl segments of mung bean (Phaseolus mungo L.) seedlings, exogenously supplied indoleacetic acid was rapidly conjugated mainly into indoleacetylaspartic acid, which was inactive in inducing ethylene production.”
t0“Mechanism of a Synergistic Effect of Kinetin on Auxin-induced Ethylene Production”
e1“In hypocotyl segments of mung bean (Phaseolus mungo L.) seedlings”
Claim · model-written summary
Kinetin enhanced initial indoleacetic acid uptake.
- Taxon
- mung beanVigna radiatae1
- Treatment
- Kinetine0
- Outcome
- indoleacetic acid uptakee0
- Direction
- enhancede0
- Qualifier
- initial 2-hour incubatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Kinetin enhanced indoleacetic acid uptake during the initial 2-hour incubation”
t0“Mechanism of a Synergistic Effect of Kinetin on Auxin-induced Ethylene Production”
e1“In hypocotyl segments of mung bean (Phaseolus mungo L.) seedlings”
Claim · model-written summary
Kinetin suppressed conversion of indoleacetic acid to its conjugates.
- Taxon
- mung beanVigna radiatae1
- Treatment
- Kinetine0
- Outcome
- conversion of indoleacetic acid to indoleacetic acid conjugatese0
- Direction
- suppressede0
- Qualifier
- whole 7-hour incubatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Kinetin enhanced indoleacetic acid uptake during the initial 2-hour incubation and markedly suppressed the conversion of indoleacetic acid to indoleacetic acid conjugates throughout the whole 7-hour incubation”
t0“Mechanism of a Synergistic Effect of Kinetin on Auxin-induced Ethylene Production”
e1“In hypocotyl segments of mung bean (Phaseolus mungo L.) seedlings”
Claim · model-written summary
Kinetin-treated segments contained more free indoleacetic acid than untreated segments.
- Taxon
- mung beanVigna radiatae1
- Treatment
- kinetine0
- Outcome
- free indoleacetic acide0
- Direction
- moree0
- Comparator
- those receiving no kinetine0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“there was more free indoleacetic acid and less conjugated indoleacetic acid in the segments treated with kinetin than in those receiving no kinetin”
t0“Mechanism of a Synergistic Effect of Kinetin on Auxin-induced Ethylene Production”
e1“In hypocotyl segments of mung bean (Phaseolus mungo L.) seedlings”
Claim · model-written summary
Kinetin-treated segments contained less conjugated indoleacetic acid than untreated segments.
- Taxon
- mung beanVigna radiatae1
- Treatment
- kinetine0
- Outcome
- conjugated indoleacetic acide0
- Direction
- lesse0
- Comparator
- those receiving no kinetine0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“there was more free indoleacetic acid and less conjugated indoleacetic acid in the segments treated with kinetin than in those receiving no kinetin”
t0“Mechanism of a Synergistic Effect of Kinetin on Auxin-induced Ethylene Production”
e1“In hypocotyl segments of mung bean (Phaseolus mungo L.) seedlings”
Claim · model-written summary
Ethylene production rate was closely related to free indoleacetic acid level.
- Taxon
- mung beanVigna radiatae1
- Compound
- free indoleacetic acide0
- Outcome
- rate of ethylene productione0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A close relationship was demonstrated between the rate of ethylene production and the level of free indoleacetic acid, which was regulated by kinetin.”
t0“Mechanism of a Synergistic Effect of Kinetin on Auxin-induced Ethylene Production”
e1“In hypocotyl segments of mung bean (Phaseolus mungo L.) seedlings”
The same questions in other papers
kinetin · molecular: metabolites · Vigna radiata (mung bean)Results agree
2 papers in the same direction as this paper
- positive
- positive
kinetin · nutrient: content · Vigna radiata (mung bean)Results agree
3 papers in the same direction as this paper
- positive
- positive
- 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.