Paper · 2005 · Guoshu xuebao

Roles of sugar-metabolizing enzymes and GA_3,ABA in sugars accumulation in grafted muskmelon fruit

X. S. engLi; Qing‐Yun Chen; L. S. aoHua; et al.

10
claims
13
verbatim quotes
12
citations
2
research areas
—
Not open access

Abstract

The content of sucrose, glucose, fructose and the activities of sucrose-metabolizing enzymes (acid invertase, neutral invertase, sucrose synthase and sucrose phosphate synthase) were studied during fruit developing of 'Jiashi' muskmelon (Cucumis melo var. saccharinus Naud) grafted on armour, black seed pumpkin and gourd. The results indicated that the composite action of sucrose-metabolizing enzymes was one of the important factors affecting sugar accumulation in fruit. The transition of sugar accumulation and activity of sucrose-metabolizing enzymes during fruit development of grafted and non-grafted muskmelon were similar. At an early stage of fruit development, sugar accumulated slowly due to higher enzyme activity for sucrose cleavage than that for sucrose synthesis. At a late stage of fruit development, the sugar content increased rapidly because the enzyme activity of sucrose synthesis was higher than that of sucrose cleavage. However, the sugar content in the fruit of all grafted muskmelon were lower than that in the fruit of non-grafted muskmelon during the same stage. However, the development duration of the grafted muskmelon was (20-28 d) longer than that of non-grafted. The fruit maturity date of the grafted muskmelon was delayed for 15-18 d than that of non-grafted. The sugar content in the ripe fruit of grafted muskmelon was higher than that in the fruit of non-grafted muskmelon. The changes of abscisic acid (ABA) and GA3 in the fruit of all grafted muskmelon were retarded and their contents were more than those in non-grafted muskmelon. The activities of invertase at early stage, sucrose phosphate synthase, sucrose synthase and abscisic acid at the late stage influenced by grafting may be responsible for the difference in the accumulation of sugar content in the grafted muskmelon fruit.

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Claims 10

Observationobservedoriginal resultno effectmeasured

Claim · model-written summary

The transition in fruit sugar accumulation and sucrose-metabolizing enzyme activity was similar in grafted and non-grafted muskmelon.

Taxon
muskmelonCucumis meloe0
Organ / stage
fruit developmente0
Outcome
transition of sugar accumulation and activity of sucrose-metabolizing enzymese0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cucumis melo
Cucumis melo · TaxonUSDA photo by Scott Bauer. Image Number K7355-11. · Public domain · Wikimedia Commons ↗

Verbatim

e0

“The transition of sugar accumulation and activity of sucrose-metabolizing enzymes during fruit development of grafted and non-grafted muskmelon were similar”

✓ located verbatim in the source · abstract, characters 475–631 · show in text ↑
Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

Early fruit sugar accumulation was slow when sucrose cleavage enzyme activity exceeded synthesis activity.

Taxon
muskmelonCucumis meloe1
Organ / stage
early stage of fruit developmente0
Outcome
sugar accumulated slowlye0
Qualifier
higher enzyme activity for sucrose cleavage than that for sucrose synthesise0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cucumis melo
Cucumis melo · TaxonUSDA photo by Scott Bauer. Image Number K7355-11. · Public domain · Wikimedia Commons ↗

Verbatim

e0

“At an early stage of fruit development, sugar accumulated slowly due to higher enzyme activity for sucrose cleavage than that for sucrose synthesis”

✓ located verbatim in the source · abstract, characters 633–780 · show in text ↑
e1

“grafted and non-grafted muskmelon”

✓ located verbatim in the source · abstract, characters 585–618 · show in text ↑
Mechanismauthor interpretationoriginal resultpositivemeasured

Claim · model-written summary

Late fruit sugar content increased rapidly when sucrose synthesis activity exceeded cleavage activity.

Taxon
muskmelonCucumis meloe1
Organ / stage
late stage of fruit developmente0
Outcome
sugar content increased rapidlye0
Qualifier
enzyme activity of sucrose synthesis was higher than that of sucrose cleavagee0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cucumis melo
Cucumis melo · TaxonUSDA photo by Scott Bauer. Image Number K7355-11. · Public domain · Wikimedia Commons ↗

Verbatim

e0

“At a late stage of fruit development, the sugar content increased rapidly because the enzyme activity of sucrose synthesis was higher than that of sucrose cleavage”

✓ located verbatim in the source · abstract, characters 782–945 · show in text ↑
e1

“grafted and non-grafted muskmelon”

✓ located verbatim in the source · abstract, characters 585–618 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

At the same developmental stage, grafted muskmelon fruit had lower sugar content than non-grafted fruit.

Taxon
muskmelonCucumis meloe0
Organ / stage
fruite0
Treatment
graftede0
Outcome
sugar contente0
Direction
lowere0
Qualifier
during the same stagee0
Comparator
non-grafted muskmelone0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cucumis melo
Cucumis melo · TaxonUSDA photo by Scott Bauer. Image Number K7355-11. · Public domain · Wikimedia Commons ↗

Verbatim

e0

“sugar content in the fruit of all grafted muskmelon were lower than that in the fruit of non-grafted muskmelon during the same stage”

✓ located verbatim in the source · abstract, characters 960–1092 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Grafting lengthened muskmelon development duration by 20-28 d.

Taxon
muskmelonCucumis meloe0
Treatment
graftede0
Outcome
development duratione0
Direction
longere0
Value
20-28 de0
Comparator
non-graftede0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cucumis melo
Cucumis melo · TaxonUSDA photo by Scott Bauer. Image Number K7355-11. · Public domain · Wikimedia Commons ↗

Verbatim

e0

“development duration of the grafted muskmelon was (20-28 d) longer than that of non-grafted”

✓ located verbatim in the source · abstract, characters 1107–1198 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Grafting delayed muskmelon fruit maturity by 15-18 d.

Taxon
muskmelonCucumis meloe0
Treatment
graftede0
Outcome
fruit maturity datee0
Direction
delayede0
Value
15-18 de0
Comparator
non-graftede0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cucumis melo
Cucumis melo · TaxonUSDA photo by Scott Bauer. Image Number K7355-11. · Public domain · Wikimedia Commons ↗

Verbatim

e0

“fruit maturity date of the grafted muskmelon was delayed for 15-18 d than that of non-grafted”

✓ located verbatim in the source · abstract, characters 1204–1297 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Ripe grafted muskmelon fruit had higher sugar content than non-grafted fruit.

Taxon
muskmelonCucumis meloe0
Organ / stage
ripe fruite0
Treatment
graftede0
Outcome
sugar contente0
Direction
highere0
Comparator
non-grafted muskmelone0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cucumis melo
Cucumis melo · TaxonUSDA photo by Scott Bauer. Image Number K7355-11. · Public domain · Wikimedia Commons ↗

Verbatim

e0

“sugar content in the ripe fruit of grafted muskmelon was higher than that in the fruit of non-grafted muskmelon”

✓ located verbatim in the source · abstract, characters 1303–1414 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Changes in fruit ABA and GA3 were retarded in grafted muskmelon.

Taxon
muskmelonCucumis meloe0
Organ / stage
fruite0
Treatment
graftede0
Outcome
changes of abscisic acid (ABA) and GA3e0
Direction
retardede0
Comparator
non-grafted muskmelone1

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cucumis melo
Cucumis melo · TaxonUSDA photo by Scott Bauer. Image Number K7355-11. · Public domain · Wikimedia Commons ↗

Verbatim

e0

“changes of abscisic acid (ABA) and GA3 in the fruit of all grafted muskmelon were retarded”

✓ located verbatim in the source · abstract, characters 1420–1510 · show in text ↑
e1

“contents were more than those in non-grafted muskmelon”

✓ located verbatim in the source · abstract, characters 1521–1575 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Fruit ABA and GA3 contents were greater in grafted than non-grafted muskmelon.

Taxon
muskmelonCucumis meloe0
Organ / stage
fruite0
Treatment
graftede0
Outcome
abscisic acid (ABA) and GA3e0
Direction
more thane0
Comparator
non-grafted muskmelone0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cucumis melo
Cucumis melo · TaxonUSDA photo by Scott Bauer. Image Number K7355-11. · Public domain · Wikimedia Commons ↗

Verbatim

e0

“abscisic acid (ABA) and GA3 in the fruit of all grafted muskmelon were retarded and their contents were more than those in non-grafted muskmelon”

✓ located verbatim in the source · abstract, characters 1431–1575 · show in text ↑
Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

The authors attribute graft-related sugar differences to early invertase activity and late sucrose phosphate synthase, sucrose synthase and ABA activity.

Taxon
muskmelonCucumis meloe0
Gene
invertasee0
Outcome
difference in the accumulation of sugar contente0
Qualifier
may be responsiblee0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Cucumis melo
Cucumis melo · TaxonUSDA photo by Scott Bauer. Image Number K7355-11. · Public domain · Wikimedia Commons ↗

Verbatim

e0

“The activities of invertase at early stage, sucrose phosphate synthase, sucrose synthase and abscisic acid at the late stage influenced by grafting may be responsible for the difference in the accumulation of sugar content in the grafted muskmelon fruit”

✓ located verbatim in the source · abstract, characters 1577–1830 · show in text ↑

grafting · quality: sugar starch · Cucumis melo (muskmelon)Results differ

10 papers: 4 positive, 6 negative or no effect

3 papers in the same direction as this paper · 5 in the opposite direction · 1 reporting no difference from an alternative

  1. positive
  2. positive
  3. negative

6 papers more in this group

See all 10 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.