Abstract
The effects of NO on postharvest ripening of breaking tomato fruit(Lycopersicon esculentum)were investigated using 50 μmol · L-1 SNP treatment for 30 min.Northern hybridization method was taken to detect the expression of Le-ETR4.The results indicated that dipping fruits in 50 μmol · L-1 SNP treatment for 30 min obviously reduced ethylene production rate,inhibited the activities of cellulase,polygalacturonase and ACC oxidase,and delayed color development and fruit softening.NO treatment also significantly repressed the expression of Le-ETR4.These results demonstrate that NO can inhibit activities of ripening-related enzymes through suppressing ethylene synthesis and expression of ethylene receptor gene.The ripening process of tomato can be regulated by NO both on a physiological and ethylene receptor level.
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Claims 5
Claim · model-written summary
Dipping breaking tomato fruit in 50 μmol/L SNP for 30 min obviously reduced ethylene production rate.
- Taxon
- tomato
Solanum lycopersicume0 - Treatment
- 50 μmol · L-1 SNP treatment for 30 mine1
- Outcome
- ethylene production ratee1
- Direction
- reducede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“breaking tomato fruit(Lycopersicon esculentum)”
e1“dipping fruits in 50 μmol · L-1 SNP treatment for 30 min obviously reduced ethylene production rate”
Claim · model-written summary
SNP treatment inhibited the activities of cellulase, polygalacturonase and ACC oxidase in tomato fruit.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- 50 μmol · L-1 SNP treatment for 30 mine1
- Outcome
- activities of cellulase,polygalacturonase and ACC oxidasee2
- Direction
- inhibitede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“breaking tomato fruit(Lycopersicon esculentum)”
e1“dipping fruits in 50 μmol · L-1 SNP treatment for 30 min”
e2“inhibited the activities of cellulase,polygalacturonase and ACC oxidase”
Claim · model-written summary
SNP treatment delayed color development and fruit softening in tomato fruit.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- 50 μmol · L-1 SNP treatment for 30 mine1
- Outcome
- color development and fruit softeninge2
- Direction
- delayede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“breaking tomato fruit(Lycopersicon esculentum)”
e1“dipping fruits in 50 μmol · L-1 SNP treatment for 30 min”
e2“delayed color development and fruit softening”
Claim · model-written summary
NO treatment significantly repressed expression of Le-ETR4 in tomato fruit.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- NO treatmente1
- Gene
- Le-ETR4e1
- Outcome
- expressione1
- Direction
- repressede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“breaking tomato fruit(Lycopersicon esculentum)”
e1“NO treatment also significantly repressed the expression of Le-ETR4”
Claim · model-written summary
The authors conclude NO inhibits activities of ripening-related enzymes by suppressing ethylene synthesis and expression of the ethylene receptor gene.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- NOe1
- Gene
- ethylene receptor genee1
- Compound
- ethylenee1
- Outcome
- activities of ripening-related enzymese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“breaking tomato fruit(Lycopersicon esculentum)”
e1“NO can inhibit activities of ripening-related enzymes through suppressing ethylene synthesis and expression of ethylene receptor gene”
The same questions in other papers
sodium nitroprusside · molecular: metabolites · Solanum lycopersicum (tomato)Positive and negative results
12 papers in the same direction as this paper · 2 in the opposite direction
- negative
- no effect
- positive
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See all 15 papers →sodium nitroprusside · quality: postharvest · Solanum lycopersicum (tomato)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.