Abstract
In order to study the change rule of sucrose phosphate synthase(SPS) and invertase(INV) activities in different varieties and different parts of Helianthus tuberosus Linn under drought stress, the trials were carried out with two kinds of H. tuberosus including Qingyu1 and Qingyu2 through the way of PEG simulation with the water stress control. The results showed that:(1) the SPS activities in stems of Qingyu1 and Qingyu2 were higher than that of CK under 10% and20% PEG stress, but lower that under 30% PEG stress, and the INV activities in stems were relatively low under different concentrations of PEG stress. The SPS activities in leaves were higher than that of CK and the INV activities were still low under different concentrations of PEG stress.(2) The SPS activities in stems and leaves of Qingyu1 and Qingyu2 were higher than those of CK at the early stage of different degrees water stress control. The INV activity of Qingyu1 was relatively low on the 35 thday under moderate water stress control, which increased the sucrose synthesis, and the INV activity of Qingyu2 declined on the 7thday under different degrees of water stress control. So the appropriate intensity and duration of water stress control could improve the sucrose content in the stems and leaves of Qingyu1 and Qingyu2.
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Claims 10
Claim · model-written summary
Stem SPS activity in both varieties was higher than control under 10% and 20% PEG stress.
- Taxon
- Helianthus tuberosus
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Helianthus tuberosust0 - Material
- Qingyu1 and Qingyu2e0
- Organ / stage
- stemse0
- Treatment
- 10% and20% PEG stresse0
- Gene
- SPSe0
- Outcome
- SPS activitiese0
- Direction
- highere0
- Comparator
- CKe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“the SPS activities in stems of Qingyu1 and Qingyu2 were higher than that of CK under 10% and20% PEG stress”
t0“Research on change rule of sucrose phosphate synthase and invertase activities in Helianthus tuberosus Linn under drought stress”
Claim · model-written summary
Stem SPS activity in both varieties was lower than control under 30% PEG stress.
- Taxon
- Helianthus tuberosusHelianthus tuberosust0
- Material
- Qingyu1 and Qingyu2e1
- Organ / stage
- stemse1
- Treatment
- 30% PEG stresse0
- Gene
- SPSe1
- Outcome
- SPS activitiese1
- Direction
- lowere0
- Comparator
- CKe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“but lower that under 30% PEG stress”
e1“the SPS activities in stems of Qingyu1 and Qingyu2 were higher than that of CK under 10% and20% PEG stress”
t0“Research on change rule of sucrose phosphate synthase and invertase activities in Helianthus tuberosus Linn under drought stress”
Claim · model-written summary
Stem INV activity was relatively low under different PEG stress concentrations.
- Taxon
- Helianthus tuberosusHelianthus tuberosust0
- Organ / stage
- stemse0
- Treatment
- different concentrations of PEG stresse0
- Gene
- INVe0
- Outcome
- INV activitiese0
- Direction
- relatively lowe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the INV activities in stems were relatively low under different concentrations of PEG stress”
t0“Research on change rule of sucrose phosphate synthase and invertase activities in Helianthus tuberosus Linn under drought stress”
Claim · model-written summary
Leaf SPS activity was higher than control under different PEG stress concentrations.
- Taxon
- Helianthus tuberosusHelianthus tuberosust0
- Organ / stage
- leavese0
- Treatment
- PEG stresse1
- Gene
- SPSe0
- Outcome
- SPS activitiese0
- Direction
- highere0
- Comparator
- CKe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The SPS activities in leaves were higher than that of CK”
e1“and the INV activities were still low under different concentrations of PEG stress”
t0“Research on change rule of sucrose phosphate synthase and invertase activities in Helianthus tuberosus Linn under drought stress”
Claim · model-written summary
Leaf INV activity remained low under different PEG stress concentrations.
- Taxon
- Helianthus tuberosusHelianthus tuberosust0
- Organ / stage
- leavese1
- Treatment
- different concentrations of PEG stresse0
- Gene
- INVe0
- Outcome
- INV activitiese0
- Direction
- lowe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the INV activities were still low under different concentrations of PEG stress”
e1“The SPS activities in leaves were higher than that of CK”
t0“Research on change rule of sucrose phosphate synthase and invertase activities in Helianthus tuberosus Linn under drought stress”
Claim · model-written summary
Early under water stress, stem and leaf SPS activity was higher than control in both varieties.
- Taxon
- Helianthus tuberosusHelianthus tuberosust0
- Material
- Qingyu1 and Qingyu2e0
- Organ / stage
- stems and leavese0
- Treatment
- water stress controle0
- Gene
- SPSe0
- Outcome
- SPS activitiese0
- Direction
- highere0
- Comparator
- CKe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The SPS activities in stems and leaves of Qingyu1 and Qingyu2 were higher than those of CK at the early stage of different degrees water stress control”
t0“Research on change rule of sucrose phosphate synthase and invertase activities in Helianthus tuberosus Linn under drought stress”
Claim · model-written summary
Qingyu1 INV activity was relatively low on day 35 under moderate water stress.
- Taxon
- Helianthus tuberosusHelianthus tuberosust0
- Material
- Qingyu1e0
- Treatment
- moderate water stress controle0
- Gene
- INVe0
- Outcome
- INV activitye0
- Direction
- relatively lowe0
- Qualifier
- 35 thdaye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The INV activity of Qingyu1 was relatively low on the 35 thday under moderate water stress control”
t0“Research on change rule of sucrose phosphate synthase and invertase activities in Helianthus tuberosus Linn under drought stress”
Claim · model-written summary
Low INV activity in Qingyu1 increased sucrose synthesis.
- Taxon
- Helianthus tuberosusHelianthus tuberosust0
- Material
- Qingyu1e0
- Gene
- INVe0
- Outcome
- sucrose synthesise0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The INV activity of Qingyu1 was relatively low on the 35 thday under moderate water stress control, which increased the sucrose synthesis”
t0“Research on change rule of sucrose phosphate synthase and invertase activities in Helianthus tuberosus Linn under drought stress”
Claim · model-written summary
Qingyu2 INV activity declined on day 7 under water stress.
- Taxon
- Helianthus tuberosusHelianthus tuberosust0
- Material
- Qingyu2e0
- Treatment
- water stress controle0
- Gene
- INVe0
- Outcome
- INV activitye0
- Direction
- declinede0
- Qualifier
- 7thdaye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the INV activity of Qingyu2 declined on the 7thday under different degrees of water stress control”
t0“Research on change rule of sucrose phosphate synthase and invertase activities in Helianthus tuberosus Linn under drought stress”
Claim · model-written summary
Appropriate water stress intensity and duration could improve stem and leaf sucrose content in both varieties.
- Taxon
- Helianthus tuberosusHelianthus tuberosust0
- Material
- Qingyu1 and Qingyu2e0
- Treatment
- appropriate intensity and duration of water stress controle0
- Outcome
- sucrose contente0
- Direction
- improvee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the appropriate intensity and duration of water stress control could improve the sucrose content in the stems and leaves of Qingyu1 and Qingyu2”
t0“Research on change rule of sucrose phosphate synthase and invertase activities in Helianthus tuberosus Linn under drought stress”
The same questions in other papers
drought · molecular: metabolites · Helianthus tuberosus (Jerusalem artichoke)Results differ
1 paper in the same direction as this paper · 1 in the opposite direction · 1 reporting no difference from an alternative
- no effect
- no effect
- 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.