Abstract
Ethylene production in mung bean hypocotyls was greatly increased by treatment with 1-aminocyclopropane-1-carboxylic acid (ACC), which was utilized as the ethylene precursor. Unlike auxin-stimulated ethylene production, ACC-dependent ethylene production was not inhibited by aminoethoxyvinylglycine, which is known to inhibit the conversion of S-adenosylmethionine to ACC. While the conversion of methionine to ethylene requires induction by auxin, the conversion of methionine to S-adenosylmethionine and the conversion of ACC to ethylene do not. It is proposed that the conversion of S-adenosylmethionine to ACC is the rate-limiting step in the biosynthesis of ethylene, and that auxin stimulates ethylene production by inducing the synthesis of the enzyme involved in this reaction.
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Claims 7
Claim · model-written summary
ACC treatment greatly increased ethylene production in mung bean hypocotyls.
- Taxon
- mung bean
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Vigna radiatat0 - Organ / stage
- hypocotylse0
- Treatment
- 1-aminocyclopropane-1-carboxylic acid (ACC)e0
- Outcome
- Ethylene productione0
- Direction
- greatly increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
t0“Regulation of Auxin-induced Ethylene Production in Mung Bean Hypocotyls”
e0“Ethylene production in mung bean hypocotyls was greatly increased by treatment with 1-aminocyclopropane-1-carboxylic acid (ACC)”
Claim · model-written summary
ACC-dependent ethylene production was not inhibited by aminoethoxyvinylglycine, unlike auxin-stimulated ethylene production.
- Taxon
- mung beanVigna radiatat0
- Treatment
- aminoethoxyvinylglycinee1
- Compound
- S-adenosylmethioninee1
- Outcome
- ACC-dependent ethylene productione1
- Direction
- not inhibitede1
- Comparator
- auxin-stimulated ethylene productione1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Regulation of Auxin-induced Ethylene Production in Mung Bean Hypocotyls”
e1“Unlike auxin-stimulated ethylene production, ACC-dependent ethylene production was not inhibited by aminoethoxyvinylglycine, which is known to inhibit the conversion of S-adenosylmethionine to ACC.”
Claim · model-written summary
The conversion of methionine to ethylene requires induction by auxin.
- Taxon
- mung beanVigna radiatat0
- Treatment
- auxine2
- Outcome
- conversion of methionine to ethylenee2
- Direction
- increaseinferrede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Regulation of Auxin-induced Ethylene Production in Mung Bean Hypocotyls”
e2“While the conversion of methionine to ethylene requires induction by auxin”
Claim · model-written summary
Conversion of methionine to S-adenosylmethionine does not require induction by auxin.
- Taxon
- mung beanVigna radiatat0
- Treatment
- auxine2
- Outcome
- conversion of methionine to S-adenosylmethioninee3
- Direction
- no_changeinferrede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Regulation of Auxin-induced Ethylene Production in Mung Bean Hypocotyls”
e2“While the conversion of methionine to ethylene requires induction by auxin”
e3“the conversion of methionine to S-adenosylmethionine and the conversion of ACC to ethylene do not”
Claim · model-written summary
Conversion of ACC to ethylene does not require induction by auxin.
- Taxon
- mung beanVigna radiatat0
- Treatment
- auxine2
- Outcome
- conversion of ACC to ethylenee3
- Direction
- no_changeinferrede3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Regulation of Auxin-induced Ethylene Production in Mung Bean Hypocotyls”
e2“While the conversion of methionine to ethylene requires induction by auxin”
e3“the conversion of methionine to S-adenosylmethionine and the conversion of ACC to ethylene do not”
Claim · model-written summary
Conversion of S-adenosylmethionine to ACC is proposed to be the rate-limiting step in ethylene biosynthesis.
- Taxon
- mung beanVigna radiatat0
- Compound
- S-adenosylmethioninee4
- Outcome
- rate-limiting step in the biosynthesis of ethylenee4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Regulation of Auxin-induced Ethylene Production in Mung Bean Hypocotyls”
e4“It is proposed that the conversion of S-adenosylmethionine to ACC is the rate-limiting step in the biosynthesis of ethylene”
Claim · model-written summary
Auxin is proposed to stimulate ethylene production by inducing synthesis of the enzyme involved in the reaction.
- Taxon
- mung beanVigna radiatat0
- Treatment
- auxine5
- Outcome
- ethylene productione5
- Qualifier
- by inducing the synthesis of the enzyme involved in this reactione5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Regulation of Auxin-induced Ethylene Production in Mung Bean Hypocotyls”
e5“auxin stimulates ethylene production by inducing the synthesis of the enzyme involved in this reaction”
The same questions in other papers
class · molecular: metabolites · Vigna radiata (mung bean)Positive and negative results
1 in the opposite direction
- positive
class · physiology: hormones · Vigna radiata (mung bean)Positive and negative results
2 papers in the same direction as this paper · 1 in the opposite direction
- positive
- negative
- negative
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.