Abstract
Ethylene biosynthesis of Golden Delicious apple fruit at 20°C is rapidly inhibited by a controlled atmosphere of air + 20% CO 2 . However, in vitro ACC oxidase activity and ACC content were not significantly different between air and air + 20% CO 2 treated fruit, To determine the in vivo effects of CO 2 treatment, both in vivo and in vitro enzyme activity essays were performed in en atmosphere of air or air + 20% CO 2 . Western blots were also performed to quantify the amount of ACC oxidase protein present in the air and air + 20% CO 2 treated fruit. We believe that in vivo cytosolic pH changes, induced by CO 2 , may reduce the in vivo catalytic capacity of ACC oxidase, end hence significantly reduce ethylene biosynthesis in climacteric tissue,
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Claims 3
Claim · model-written summary
Air with 20% CO 2 rapidly inhibited ethylene biosynthesis of Golden Delicious apple fruit at 20°C.
- Taxon
- apple
Malus domesticae0 - Material
- Golden Deliciouse0
- Organ / stage
- fruite0
- Treatment
- air + 20% CO 2e0
- Outcome
- Ethylene biosynthesise0
- Direction
- inhibitede0
- Qualifier
- 20°Ce0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Ethylene biosynthesis of Golden Delicious apple fruit at 20°C is rapidly inhibited by a controlled atmosphere of air + 20% CO 2”
Claim · model-written summary
In vitro ACC oxidase activity did not significantly differ between air and elevated CO2 treated fruit.
- Taxon
- appleMalus domesticae1
- Organ / stage
- fruite0
- Treatment
- air + 20% CO 2e0
- Gene
- ACC oxidasee0
- Outcome
- in vitro ACC oxidase activitye0
- Direction
- not significantly differente0
- Comparator
- aire0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in vitro ACC oxidase activity and ACC content were not significantly different between air and air + 20% CO 2 treated fruit”
e1“Golden Delicious apple fruit at 20°C”
Claim · model-written summary
ACC content did not significantly differ between air and elevated CO2 treated fruit.
- Taxon
- appleMalus domesticae1
- Organ / stage
- fruite0
- Treatment
- air + 20% CO 2e0
- Outcome
- ACC contente0
- Direction
- not significantly differente0
- Comparator
- aire0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in vitro ACC oxidase activity and ACC content were not significantly different between air and air + 20% CO 2 treated fruit”
e1“Golden Delicious apple fruit at 20°C”
The same questions in other papers
co2 · physiology: hormones · Malus domestica (apple)Positive and negative results
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- positive
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See all 11 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.