Claim · model-written summary
As little as 10 μM Al stimulated excretion.
- Taxon
- Wheat
Triticum aestivumt0 - Treatment
- 10 [mu]M Ale0
- Outcome
- excretione0
- Direction
- stimulatede0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“excretion was stimulated by as little as 10 [mu]M Al”
t0“Wheat (Triticum aestivum L.)”
Title
E. Delhaize; P. R. Ryan; P. J. Randall PLANT PHYSIOLOGY 1993. doi:10.1104/pp.103.3.695
Other claims from this paper (14)
- Intervention effect Al stimulated excretion of malic and succinic acids from wheat seedling roots.
- Observation Al-tolerant genotypes excreted 5- to 10-fold more malic acid than sensitive genotypes.
- Observation Malic acid excretion was detectable after 15 minutes at 200 μM Al.
- Observation Malic acid excretion increased linearly over 24 hours.
- Association Excreted malic acid depended on external Al concentration.
- Intervention effect Added malic acid protected Al-sensitive seedlings from phytotoxic aluminum.
- Observation Root apices were the main source of excreted malic acid.
- Observation Tolerant and sensitive root apices had similar malic acid amounts before and after Al exposure.
- Observation Tolerant seedlings excreted about four times their initial root apex malic acid during treatment.
- Mechanism The excretion amount indicated continual malic acid synthesis.
- Intervention effect Al specifically stimulated malic acid excretion.
- Intervention effect La, Fe, and absence of Pi did not elicit malic acid excretion.
- Association Al tolerance correlated consistently with high Al-stimulated malic acid excretion.
- Mechanism The authors hypothesized that Alt1 encodes a tolerance mechanism involving Al-stimulated malic acid excretion.