Abstract
Aluminum(Al) induced secretion of both citrate and malate from roots of rye(Dongmu 70),which is planted widely in China.In order to elucidate Al detoxification mechanism of compound organic acids(citrate and malate) in rye,the effects of these organic acids on root elongation,root cell membrane osmosis,activities of catalase(CAT),peroxidase(POD) and H~+-ATPase of rootapices in Al-sensitive wheat seedlings were studied.The result showed that electrolyte of roots induced by Al was suppressed by addition of both citrate and malate,while an increase in root elongation and activates of CAT,POD, H~+-ATPase were found in the treatments with both citrate and malate under Al stress.These effects of compound organic acids were increased with the increasing of their dose(25~200 μmol/L).An increasing rate of citrate/malate(from 1∶2 to 1∶1)could depressed Al toxicity more significantly in certain concentration of malate(50,100 μmol/L).These results indicated that secretion of both citrate and malate under Al stress was an effective mechanism for rye(Dongmu 70) to deal with Al toxicity to enhance root growth and cell membrane structure integrality,and decrease free radical damage.
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Claims 6
Claim · model-written summary
Aluminum induced citrate and malate secretion from rye roots.
- Taxon
- rye
Secale cerealee0 - Material
- Dongmu 70e0
- Organ / stage
- rootse0
- Treatment
- Aluminum(Al)e0
- Outcome
- secretion of both citrate and malatee0
- Direction
- inducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Aluminum(Al) induced secretion of both citrate and malate from roots of rye(Dongmu 70)”
Claim · model-written summary
Citrate and malate addition suppressed aluminum induced root electrolyte leakage in wheat seedlings.
- Taxon
- wheat
Triticum aestivumt0 - Treatment
- addition of both citrate and malatee0
- Outcome
- electrolyte of roots induced by Ale0
- Direction
- suppressede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“electrolyte of roots induced by Al was suppressed by addition of both citrate and malate”
t0“Al-sensitive wheat seedlings”
Claim · model-written summary
Combined citrate and malate increased wheat root elongation under aluminum stress.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- treatments with both citrate and malatee0
- Outcome
- root elongatione0
- Direction
- increasee0
- Qualifier
- under Al stresse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“an increase in root elongation and activates of CAT,POD, H~+-ATPase were found in the treatments with both citrate and malate under Al stress”
t0“Al-sensitive wheat seedlings”
Claim · model-written summary
Combined citrate and malate increased CAT, POD and H+-ATPase activities under aluminum stress.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- treatments with both citrate and malatee0
- Outcome
- activates of CAT,POD, H~+-ATPasee0
- Direction
- increasee0
- Qualifier
- under Al stresse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“an increase in root elongation and activates of CAT,POD, H~+-ATPase were found in the treatments with both citrate and malate under Al stress”
t0“Al-sensitive wheat seedlings”
Claim · model-written summary
The effects of combined organic acids increased with dose from 25 to 200 μmol/L.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- dose(25~200 μmol/L)e0
- Outcome
- effects of compound organic acidse0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These effects of compound organic acids were increased with the increasing of their dose(25~200 μmol/L)”
t0“Al-sensitive wheat seedlings”
Claim · model-written summary
Increasing the citrate/malate ratio from 1:2 to 1:1 more strongly depressed aluminum toxicity.
- Taxon
- wheatTriticum aestivumt0
- Treatment
- citrate/malate(from 1∶2 to 1∶1)e0
- Outcome
- Al toxicitye0
- Direction
- depressede0
- Qualifier
- malate(50,100 μmol/L)e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“An increasing rate of citrate/malate(from 1∶2 to 1∶1)could depressed Al toxicity more significantly in certain concentration of malate(50,100 μmol/L)”
t0“Al-sensitive wheat seedlings”
The same questions in other papers
malate · growth · Triticum aestivum (wheat)Positive and negative results
1 paper in the same direction as this paper · 1 reporting no difference from an alternative
- no effect
- positive
malate · nutrient: content · Triticum aestivum (wheat)Results agree
1 paper in the same direction as this paper
- positive
malate · pest · Triticum aestivum (wheat)Results agree
2 papers in the same direction as this paper
- positive
- 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.