Abstract
Respiration drives the accumulation of a small amount of calcium in corn (Zea mays L.) mitochondria, and this calcium is released when respiration ceases. A postenergized addition of phosphate leads to phosphate uptake and enhaced calcium retention. Oligomycin, KCN, 2,4-dinitrophenol, or mersalyl are without effect on the phosphate-induced calcium retention. Addition of phosphate also inhibits the release of endogenous phosphate which normally accompanies the calcium. It is suggested that passive phosphate uptake retards the release of endogenous phosphate which is complexed with the calcium.
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Claims 10
Claim · model-written summary
Respiration drove a small accumulation of calcium in corn mitochondria.
- Taxon
- corn
Zea mays subsp. mayse0 - Organ / stage
- mitochondriae0
- Outcome
- accumulation of a small amount of calciume0
- Direction
- accumulatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Respiration drives the accumulation of a small amount of calcium in corn (Zea mays L.) mitochondria”
t0“Inhibition of Postoxidative Calcium Release in Corn Mitochondria by Inorganic Phosphate”
Claim · model-written summary
Calcium was released when respiration ceased.
- Taxon
- cornZea mays subsp. mayst0
- Outcome
- calcium is releasede0
- Direction
- releasede0
- Qualifier
- when respiration ceasese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“this calcium is released when respiration ceases”
t0“Inhibition of Postoxidative Calcium Release in Corn Mitochondria by Inorganic Phosphate”
Claim · model-written summary
Phosphate added after energization led to phosphate uptake.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- postenergized addition of phosphatee0
- Outcome
- phosphate uptakee0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A postenergized addition of phosphate leads to phosphate uptake and enhaced calcium retention.”
t0“Inhibition of Postoxidative Calcium Release in Corn Mitochondria by Inorganic Phosphate”
Claim · model-written summary
Phosphate added after energization enhanced calcium retention.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- postenergized addition of phosphatee0
- Outcome
- calcium retentione0
- Direction
- enhacede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A postenergized addition of phosphate leads to phosphate uptake and enhaced calcium retention.”
t0“Inhibition of Postoxidative Calcium Release in Corn Mitochondria by Inorganic Phosphate”
Claim · model-written summary
Oligomycin did not affect phosphate-induced calcium retention.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- Oligomycine0
- Outcome
- phosphate-induced calcium retentione0
- Direction
- without effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Oligomycin, KCN, 2,4-dinitrophenol, or mersalyl are without effect on the phosphate-induced calcium retention.”
t0“Inhibition of Postoxidative Calcium Release in Corn Mitochondria by Inorganic Phosphate”
Claim · model-written summary
KCN did not affect phosphate-induced calcium retention.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- KCNe0
- Outcome
- phosphate-induced calcium retentione0
- Direction
- without effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Oligomycin, KCN, 2,4-dinitrophenol, or mersalyl are without effect on the phosphate-induced calcium retention.”
t0“Inhibition of Postoxidative Calcium Release in Corn Mitochondria by Inorganic Phosphate”
Claim · model-written summary
2,4-dinitrophenol did not affect phosphate-induced calcium retention.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- 2,4-dinitrophenole0
- Outcome
- phosphate-induced calcium retentione0
- Direction
- without effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Oligomycin, KCN, 2,4-dinitrophenol, or mersalyl are without effect on the phosphate-induced calcium retention.”
t0“Inhibition of Postoxidative Calcium Release in Corn Mitochondria by Inorganic Phosphate”
Claim · model-written summary
Mersalyl did not affect phosphate-induced calcium retention.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- mersalyle0
- Outcome
- phosphate-induced calcium retentione0
- Direction
- without effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Oligomycin, KCN, 2,4-dinitrophenol, or mersalyl are without effect on the phosphate-induced calcium retention.”
t0“Inhibition of Postoxidative Calcium Release in Corn Mitochondria by Inorganic Phosphate”
Claim · model-written summary
Phosphate addition inhibited endogenous phosphate release that accompanies calcium.
- Taxon
- cornZea mays subsp. mayst0
- Treatment
- Addition of phosphatee0
- Outcome
- release of endogenous phosphatee0
- Direction
- inhibitse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Addition of phosphate also inhibits the release of endogenous phosphate which normally accompanies the calcium.”
t0“Inhibition of Postoxidative Calcium Release in Corn Mitochondria by Inorganic Phosphate”
Claim · model-written summary
Authors proposed that passive phosphate uptake retards release of endogenous phosphate complexed with calcium.
- Taxon
- cornZea mays subsp. mayst0
- Outcome
- release of endogenous phosphatee0
- Direction
- retardse0
- Qualifier
- passive phosphate uptakee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“passive phosphate uptake retards the release of endogenous phosphate which is complexed with the calcium”
t0“Inhibition of Postoxidative Calcium Release in Corn Mitochondria by Inorganic Phosphate”
The same questions in other papers
oligomycin · nutrient: content · Zea mays (maize)Positive and negative results
5 papers in the same direction as this paper · 1 in the opposite direction
- positive
- negative
- no effect
3 papers more in this group
See all 7 papers →potassium cyanide · nutrient: content · Zea mays (maize)Results agree
1 paper in the same direction as this paper
- no effect
phosphorus · nutrient: content · Zea mays (maize)Positive and negative results
189 papers in the same direction as this paper · 50 in the opposite direction · 4 reporting no difference from an alternative
- no effect
- negative
- no effect
240 papers more in this group
See all 244 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.