Abstract
Infected cells from the central zone of mature soybean nodules were isolated by incubating nodule slices with hydrolytic enzymes, and their permeability to various organic compounds measured. The cells were effectively impermeable to sucrose, fructose and glucose, readily permeable to malate and succinate and partially permeable to glutamate and glutamine. Malate uptake showed saturation kinetics and was competitively inhibited by succinate. Malate uptake was also inhibited by a protonophore and the respiratory poison antimycin, as well as by butylmalonate, cyanocinnamic acid and other substrate analogues, but not by phthalonate. We conclude that there is a dicarboxylate carrier on the plasmamembrane of soybean infected cells, which catalyses the uptake of malate and which depends on mitochondrial ATP for maximum rates.
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Claims 12
Claim · model-written summary
Infected soybean nodule cells were effectively impermeable to sucrose, fructose, and glucose.
- Taxon
- Soybean
Glycine maxt0 - Organ / stage
- cellse0
- Outcome
- effectively impermeable to sucrose, fructose and glucosee0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The cells were effectively impermeable to sucrose, fructose and glucose”
t0“Soybean Nodules”
Claim · model-written summary
Infected soybean nodule cells were readily permeable to malate and succinate.
- Taxon
- SoybeanGlycine maxt0
- Outcome
- readily permeable to malate and succinatee0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“readily permeable to malate and succinate”
t0“Soybean Nodules”
Claim · model-written summary
Infected soybean nodule cells were partially permeable to glutamate and glutamine.
- Taxon
- SoybeanGlycine maxt0
- Outcome
- partially permeable to glutamate and glutaminee0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“partially permeable to glutamate and glutamine”
t0“Soybean Nodules”
Claim · model-written summary
Malate uptake showed saturation kinetics.
- Taxon
- SoybeanGlycine maxt0
- Outcome
- Malate uptakee0
- Qualifier
- saturation kineticse0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Malate uptake showed saturation kinetics”
t0“Soybean Nodules”
Claim · model-written summary
Succinate competitively inhibited malate uptake.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- succinatee0
- Outcome
- Malate uptakee0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Malate uptake showed saturation kinetics and was competitively inhibited by succinate.”
t0“Soybean Nodules”
Claim · model-written summary
A protonophore inhibited malate uptake.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- a protonophoree0
- Outcome
- Malate uptakee0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Malate uptake was also inhibited by a protonophore and the respiratory poison antimycin, as well as by butylmalonate, cyanocinnamic acid and other substrate analogues, but not by phthalonate.”
t0“Soybean Nodules”
Claim · model-written summary
Antimycin inhibited malate uptake.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- antimycine0
- Outcome
- Malate uptakee0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Malate uptake was also inhibited by a protonophore and the respiratory poison antimycin, as well as by butylmalonate, cyanocinnamic acid and other substrate analogues, but not by phthalonate.”
t0“Soybean Nodules”
Claim · model-written summary
Butylmalonate inhibited malate uptake.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- butylmalonatee0
- Outcome
- Malate uptakee0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Malate uptake was also inhibited by a protonophore and the respiratory poison antimycin, as well as by butylmalonate, cyanocinnamic acid and other substrate analogues, but not by phthalonate.”
t0“Soybean Nodules”
Claim · model-written summary
Cyanocinnamic acid inhibited malate uptake.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- cyanocinnamic acide0
- Outcome
- Malate uptakee0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Malate uptake was also inhibited by a protonophore and the respiratory poison antimycin, as well as by butylmalonate, cyanocinnamic acid and other substrate analogues, but not by phthalonate.”
t0“Soybean Nodules”
Claim · model-written summary
Other substrate analogues inhibited malate uptake.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- other substrate analoguese0
- Outcome
- Malate uptakee0
- Direction
- inhibitede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Malate uptake was also inhibited by a protonophore and the respiratory poison antimycin, as well as by butylmalonate, cyanocinnamic acid and other substrate analogues, but not by phthalonate.”
t0“Soybean Nodules”
Claim · model-written summary
Phthalonate did not inhibit malate uptake.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- phthalonatee0
- Outcome
- Malate uptakee0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Malate uptake was also inhibited by a protonophore and the respiratory poison antimycin, as well as by butylmalonate, cyanocinnamic acid and other substrate analogues, but not by phthalonate.”
t0“Soybean Nodules”
Claim · model-written summary
The authors infer a plasma membrane dicarboxylate carrier mediating malate uptake and depending on mitochondrial ATP for maximum rates.
- Taxon
- soybeanGlycine maxe0
- Organ / stage
- infected cellse0
- Gene
- dicarboxylate carriere0
- Outcome
- uptake of malatee0
- Qualifier
- depends on mitochondrial ATP for maximum ratese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“there is a dicarboxylate carrier on the plasmamembrane of soybean infected cells, which catalyses the uptake of malate and which depends on mitochondrial ATP for maximum rates.”
The same questions in other papers
succinate · nutrient: content · Glycine max (soybean)Positive and negative results
1 in the opposite direction
- positive
growing medium · nutrient: content · Glycine max (soybean)Positive and negative results
1 paper in the same direction as this paper · 5 in the opposite direction
- positive
- positive
- positive
3 papers more in this group
See all 7 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.