Abstract
A pot culture experiment was conducted in mung bean (Vigna radiata (L.) Wilczek.) genotype PUSA Baisakhi to test the effect of sodium arsenate and thiourea (TU). Arsenic at 25 µM caused significant inhibition of growth as indicated by reduced shoot and root dry weight and reduction in photosynthetic capacity. Significant decline in ascorbate peroxidase, dehydroascorbate reductase and glutathione reductase coupled with high superoxide dismutase seriously impeded scavenging of reactive oxygen species and led to reduction in glutathione redox state. This resulted in overaccumulation of H2O2 in leaves of arsenate-treated mung bean genotype and consequently, high level of lipid peroxidations, as the marks of onset of arsenic-induced oxidative stress. Priming of seeds and application of TU at 6.5mM and 13 mM was found highly effective not only in countering of oxidative stress but also in significant enhancement of shoot and root dry weight even under As exposure. Significant elevation in H2O2- scavenging capacity accompanied by high GSH-regeneration though stimulated glutathione reductase activity in presence of TU certainly helped mung bean seedlings to counter As-induced oxidative stress and maintenance of normal to even better plant growth and photosynthesis under As exposure.
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Claims 13
Claim · model-written summary
Arsenic at 25 µM significantly reduced mung bean shoot and root dry weight.
- Taxon
- mung bean
.jpg?width=60)
Vigna radiatat0 - Material
- PUSA Baisakhie0
- Treatment
- Arsenic at 25 µMe0
- Outcome
- shoot and root dry weighte0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpg?width=500)
Verbatim
e0“A pot culture experiment was conducted in mung bean (Vigna radiata (L.) Wilczek.) genotype PUSA Baisakhi to test the effect of sodium arsenate and thiourea (TU). Arsenic at 25 µM caused significant inhibition of growth as indicated by reduced shoot and root dry weight”
t0“mung bean (Vigna radiata (L.) Wilczek.) genotype”
Claim · model-written summary
Arsenic at 25 µM reduced photosynthetic capacity.
- Taxon
- mung beanVigna radiatat0
- Treatment
- Arsenic at 25 µMe0
- Outcome
- photosynthetic capacitye0
- Direction
- reductione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Arsenic at 25 µM caused significant inhibition of growth as indicated by reduced shoot and root dry weight and reduction in photosynthetic capacity”
t0“mung bean”
Claim · model-written summary
Arsenic stress significantly decreased ascorbate peroxidase, dehydroascorbate reductase, and glutathione reductase.
- Taxon
- mung beanVigna radiatat0
- Gene
- ascorbate peroxidase, dehydroascorbate reductase and glutathione reductasee0
- Outcome
- ascorbate peroxidase, dehydroascorbate reductase and glutathione reductasee0
- Direction
- declinee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Significant decline in ascorbate peroxidase, dehydroascorbate reductase and glutathione reductase”
t0“mung bean”
Claim · model-written summary
Superoxide dismutase was high under arsenic stress.
- Taxon
- mung beanVigna radiatat0
- Gene
- superoxide dismutasee0
- Outcome
- superoxide dismutasee0
- Direction
- highe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“coupled with high superoxide dismutase seriously impeded scavenging of reactive oxygen species”
t0“mung bean”
Claim · model-written summary
Arsenic stress reduced glutathione redox state.
- Taxon
- mung beanVigna radiatat0
- Outcome
- glutathione redox statee0
- Direction
- reductione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“led to reduction in glutathione redox state”
t0“mung bean”
Claim · model-written summary
H2O2 accumulated excessively in arsenate-treated mung bean leaves.
- Taxon
- mung beanVigna radiatae0
- Organ / stage
- leavese0
- Treatment
- arsenate-treatede0
- Outcome
- overaccumulation of H2O2e0
- Direction
- overaccumulatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“overaccumulation of H2O2 in leaves of arsenate-treated mung bean genotype”
Claim · model-written summary
Arsenate-treated mung bean had high lipid peroxidation.
- Taxon
- mung beanVigna radiatat0
- Outcome
- lipid peroxidationse0
- Direction
- high levele0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“high level of lipid peroxidations, as the marks of onset of arsenic-induced oxidative stress”
t0“mung bean”
Claim · model-written summary
Thiourea at 6.5 mM countered oxidative stress under arsenic exposure.
- Taxon
- mung beanVigna radiatat0
- Treatment
- TU at 6.5mMe0
- Outcome
- oxidative stresse0
- Direction
- counteringe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Priming of seeds and application of TU at 6.5mM and 13 mM was found highly effective not only in countering of oxidative stress”
t0“mung bean”
Claim · model-written summary
Thiourea at 13 mM countered oxidative stress under arsenic exposure.
- Taxon
- mung beanVigna radiatat0
- Treatment
- 13 mMe0
- Outcome
- oxidative stresse0
- Direction
- counteringe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Priming of seeds and application of TU at 6.5mM and 13 mM was found highly effective not only in countering of oxidative stress”
t0“mung bean”
Claim · model-written summary
Thiourea significantly increased shoot and root dry weight under arsenic exposure.
- Taxon
- mung beanVigna radiatat0
- Treatment
- TUe0
- Outcome
- shoot and root dry weighte0
- Direction
- enhancemente0
- Qualifier
- under As exposuree0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Priming of seeds and application of TU at 6.5mM and 13 mM was found highly effective not only in countering of oxidative stress but also in significant enhancement of shoot and root dry weight even under As exposure”
t0“mung bean”
Claim · model-written summary
Thiourea increased H2O2 scavenging capacity.
- Taxon
- mung beanVigna radiatat0
- Treatment
- TUe0
- Outcome
- H2O2- scavenging capacitye0
- Direction
- elevatione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Significant elevation in H2O2- scavenging capacity accompanied by high GSH-regeneration though stimulated glutathione reductase activity in presence of TU”
t0“mung bean”
Claim · model-written summary
Thiourea was associated with high GSH regeneration and stimulated glutathione reductase activity.
- Taxon
- mung beanVigna radiatat0
- Treatment
- TUe0
- Gene
- glutathione reductasee0
- Outcome
- GSH-regeneratione0
- Direction
- highe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“high GSH-regeneration though stimulated glutathione reductase activity in presence of TU”
t0“mung bean”
Claim · model-written summary
Thiourea helped maintain normal or better growth and photosynthesis during arsenic exposure.
- Taxon
- mung beanVigna radiatae0
- Treatment
- TUe0
- Outcome
- plant growth and photosynthesise0
- Qualifier
- under As exposuree0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in presence of TU certainly helped mung bean seedlings to counter As-induced oxidative stress and maintenance of normal to even better plant growth and photosynthesis under As exposure”
t0“thiourea”
The same questions in other papers
thiourea · growth · Vigna radiata (mung bean)Results agree
3 papers in the same direction as this paper
- positive
- positive
- positive
arsenic atom · growth · Vigna radiata (mung bean)Results agree
6 papers in the same direction as this paper
- negative
- negative
- negative
3 papers more in this group
See all 7 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.