Abstract
Hydroponic experiments were performed to exam the dynamic change of endogenous proline in rice seedlings exposed to potassium chromate chromium (VI) or chromium nitrate chromium (III). Although accumulation of both chromium species in rice seedlings was obvious, more chromium was detected in plant tissues of rice seedlings exposed to chromium (III) than those in chromium (VI), majority being in roots rather than shoots. Results also showed that the accumulation capacity of chromium by rice seedlings was positively correlated to chromium concentrations supplied in both chromium variants and the accumulation curve depicted an exponential trend in both chromium treatments over the entire period of exposure. Proline assays showed that both chromium variants induced the change of endogenous proline in shoots and roots of rice seedlings. Chromium (VI) of 12.8 mg/L increased proline content significantly (p
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Claims 7
Claim · model-written summary
Rice seedlings accumulated both chromium species.
- Taxon
- rice seedlings
Oryza sativae0 - Outcome
- accumulation of both chromium speciese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Although accumulation of both chromium species in rice seedlings was obvious, more chromium was detected in plant tissues of rice seedlings exposed to chromium (III) than those in chromium (VI), majority being in roots rather than shoots.”
Claim · model-written summary
Rice seedlings exposed to chromium (III) had more tissue chromium than those exposed to chromium (VI).
- Taxon
- rice seedlingsOryza sativae0
- Treatment
- chromium (III)e0
- Outcome
- chromiume0
- Direction
- moree0
- Comparator
- chromium (VI)e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“more chromium was detected in plant tissues of rice seedlings exposed to chromium (III) than those in chromium (VI)”
Claim · model-written summary
Chromium accumulated mainly in rice roots rather than shoots.
- Taxon
- riceOryza sativat0
- Organ / stage
- rootse0
- Outcome
- majority being in roots rather than shootse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“majority being in roots rather than shoots.”
t0“rice seedlings”
Claim · model-written summary
Rice chromium accumulation rose with supplied chromium concentration in both variants.
- Taxon
- rice seedlingsOryza sativae0
- Treatment
- chromium concentrations suppliede0
- Outcome
- accumulation capacity of chromiume0
- Direction
- positively correlatede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the accumulation capacity of chromium by rice seedlings was positively correlated to chromium concentrations supplied in both chromium variants”
Claim · model-written summary
Chromium accumulation followed an exponential trend through exposure in both treatments.
- Taxon
- riceOryza sativat0
- Outcome
- accumulation curvee0
- Qualifier
- exponential trend in both chromium treatments over the entire period of exposuree0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the accumulation curve depicted an exponential trend in both chromium treatments over the entire period of exposure.”
t0“rice seedlings”
Claim · model-written summary
Both chromium variants changed endogenous proline in rice shoots and roots.
- Taxon
- rice seedlingsOryza sativae0
- Organ / stage
- shoots and rootse0
- Treatment
- both chromium variantse0
- Outcome
- endogenous prolinee0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“both chromium variants induced the change of endogenous proline in shoots and roots of rice seedlings.”
Claim · model-written summary
Chromium (VI) at 12.8 mg/L significantly increased rice proline content.
- Taxon
- riceOryza sativat0
- Treatment
- Chromium (VI) of 12.8 mg/Le0
- Outcome
- proline contente0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Chromium (VI) of 12.8 mg/L increased proline content significantly (p”
t0“rice seedlings”
The same questions in other papers
chromium atom · nutrient: content · Oryza sativa (rice)Positive and negative results
3 papers in the same direction as this paper · 4 in the opposite direction
- positive
- positive
- positive
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See all 8 papers →chromium atom · physiology: osmolytes · Oryza sativa (rice)Results agree
1 paper in the same direction as this paper
- 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.