Abstract
Mung bean seedlings can be used as a bio-indicator of As contamination. Endogenous As concentrations in the bio-indicator were determined by ICP-MS. Matrix effects and polyatomic interferences originating from the plant matrix and their correction procedures were studied. Experiments were carried out with arsenate and arsenite additions of 0.5 up to 50 µM of As to the growth medium. The arsenate uptake increased with increasing arsenate concentrations in the growth medium, the highest accumulation occurred in the roots. Arsenite seemed to be far more toxic than arsenate (lethal dosage at <10 µM). Phosphate was shown to lower the toxic effects of arsenate but had no effect on the arsenite uptake. As an illustration, the endogenous arsenate concentration was correlated with the polyamine synthesis. It was shown that above 2.2 µg g -1 of As in the dry mass the seedlings were in a ‘stress’ situation.
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Claims 8
Claim · model-written summary
Arsenate uptake in mung bean seedlings increased with increasing arsenate concentrations in the growth medium.
- Taxon
- Mung bean
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Vigna radiatae0 - Treatment
- increasing arsenate concentrations in the growth mediume1
- Compound
- arsenatee1
- Outcome
- arsenate uptakee1
- Direction
- increasede1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“Mung bean seedlings can be used as a bio-indicator of As contamination”
e1“The arsenate uptake increased with increasing arsenate concentrations in the growth medium, the highest accumulation occurred in the roots”
Claim · model-written summary
The highest arsenic accumulation in mung bean seedlings occurred in the roots.
- Taxon
- Mung beanVigna radiatae0
- Organ / stage
- rootse1
- Outcome
- accumulatione1
- Qualifier
- higheste1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mung bean seedlings can be used as a bio-indicator of As contamination”
e1“The arsenate uptake increased with increasing arsenate concentrations in the growth medium, the highest accumulation occurred in the roots”
Claim · model-written summary
Arsenite was far more toxic than arsenate to mung bean seedlings, with lethal dosage below 10 µM.
- Taxon
- Mung beanVigna radiatae0
- Treatment
- Arsenitee2
- Outcome
- lethal dosagee2
- Direction
- far more toxice2
- Value
- <10 µMe2
- Comparator
- arsenatee2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mung bean seedlings can be used as a bio-indicator of As contamination”
e2“Arsenite seemed to be far more toxic than arsenate (lethal dosage at <10 µM)”
Claim · model-written summary
Phosphate lowered the toxic effects of arsenate in mung bean seedlings.
- Taxon
- Mung beanVigna radiatae0
- Treatment
- Phosphatee3
- Outcome
- toxic effects of arsenatee3
- Direction
- lowere3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mung bean seedlings can be used as a bio-indicator of As contamination”
e3“Phosphate was shown to lower the toxic effects of arsenate but had no effect on the arsenite uptake”
Claim · model-written summary
Phosphate had no effect on arsenite uptake in mung bean seedlings.
- Taxon
- Mung beanVigna radiatae0
- Treatment
- Phosphatee3
- Outcome
- arsenite uptakee3
- Direction
- no effecte3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mung bean seedlings can be used as a bio-indicator of As contamination”
e3“Phosphate was shown to lower the toxic effects of arsenate but had no effect on the arsenite uptake”
Claim · model-written summary
Endogenous arsenate concentration was correlated with polyamine synthesis in mung bean seedlings.
- Taxon
- Mung beanVigna radiatae0
- Compound
- arsenatee4
- Outcome
- polyamine synthesise4
- Direction
- correlatede4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mung bean seedlings can be used as a bio-indicator of As contamination”
e4“the endogenous arsenate concentration was correlated with the polyamine synthesis”
Claim · model-written summary
Seedlings with more than 2.2 µg g -1 of As in the dry mass were in a stress situation.
- Taxon
- Mung beanVigna radiatae0
- Outcome
- stresse5
- Value
- 2.2 µg g -1e5
- Qualifier
- of As in the dry masse5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mung bean seedlings can be used as a bio-indicator of As contamination”
e5“above 2.2 µg g -1 of As in the dry mass the seedlings were in a ‘stress’ situation”
Claim · model-written summary
Mung bean seedlings can be used as a bio-indicator of arsenic contamination.
- Taxon
- Mung beanVigna radiatae0
- Outcome
- bio-indicator of As contaminatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Mung bean seedlings can be used as a bio-indicator of As contamination”
The same questions in other papers
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- positive
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See all 36 papers →phosphorus · molecular: metabolites · Vigna radiata (mung bean)Results agree
3 papers in the same direction as this paper
- positive
- 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.