Abstract
This study investigated the potential of biogenic ZnO nanoparticles (ZnO-NPs) to alleviate cadmium (Cd) toxicity in durum wheat plants exposed for 14 days to 25 μM CdSO4. By applying ZnO-NPs at two different concentrations (25 and 50 mg L−1), we observed increased chlorophyll content, beneficially impacting the photosynthetic efficiency, and enhanced sulfur, zinc, and iron accumulation. Moreover, the ZnO-NP treatment reduced the Cd accumulation in shoots, mitigating leaf chlorosis and oxidative damage. This response was clearly mediated by the increased thiol and phytochelatin production, as well as the enhanced sulfate uptake rate, with TdSultr1.3 as the most responsive gene coding for high-affinity transporter to Cd stress. In conclusion, the application of biogenic ZnO-NPs appears to be a promising approach for reducing the uptake of heavy metals by plants. In addition, it could be successfully used in combination with contamination prevention measures and/or remediation of contaminated sites to remove and mitigate the harmful effects of Cd on the environment and human health.
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Claims 8
Claim · model-written summary
ZnO-NP application increased chlorophyll content in Cd-exposed durum wheat.
- Taxon
- durum wheat
Triticum turgidum subsp. durume0 - Treatment
- ZnO-NPse1
- Outcome
- chlorophyll contente1
- Direction
- increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“durum wheat plants”
e1“By applying ZnO-NPs at two different concentrations (25 and 50 mg L−1), we observed increased chlorophyll content, beneficially impacting the photosynthetic efficiency, and enhanced sulfur, zinc, and iron accumulation”
Claim · model-written summary
ZnO-NP application enhanced sulfur, zinc and iron accumulation in Cd-exposed durum wheat.
- Taxon
- durum wheatTriticum turgidum subsp. durume0
- Treatment
- ZnO-NPse1
- Outcome
- sulfur, zinc, and iron accumulatione1
- Direction
- enhancede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“durum wheat plants”
e1“By applying ZnO-NPs at two different concentrations (25 and 50 mg L−1), we observed increased chlorophyll content, beneficially impacting the photosynthetic efficiency, and enhanced sulfur, zinc, and iron accumulation”
Claim · model-written summary
ZnO-NP treatment reduced Cd accumulation in shoots of durum wheat.
- Taxon
- durum wheatTriticum turgidum subsp. durume0
- Treatment
- ZnO-NP treatmente1
- Outcome
- Cd accumulation in shootse1
- Direction
- reducede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“durum wheat plants”
e1“the ZnO-NP treatment reduced the Cd accumulation in shoots, mitigating leaf chlorosis and oxidative damage”
Claim · model-written summary
ZnO-NP treatment mitigated leaf chlorosis and oxidative damage in Cd-exposed durum wheat.
- Taxon
- durum wheatTriticum turgidum subsp. durume0
- Treatment
- ZnO-NP treatmente1
- Outcome
- leaf chlorosis and oxidative damagee1
- Direction
- mitigatinge1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“durum wheat plants”
e1“the ZnO-NP treatment reduced the Cd accumulation in shoots, mitigating leaf chlorosis and oxidative damage”
Claim · model-written summary
ZnO-NP treatment increased thiol and phytochelatin production and the sulfate uptake rate in durum wheat.
- Taxon
- durum wheatTriticum turgidum subsp. durume0
- Treatment
- ZnO-NP treatmente1
- Outcome
- thiol and phytochelatin productione1
- Direction
- increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“durum wheat plants”
e1“the ZnO-NP treatment reduced the Cd accumulation in shoots, mitigating leaf chlorosis and oxidative damage. This response was clearly mediated by the increased thiol and phytochelatin production, as well as the enhanced sulfate uptake rate”
Claim · model-written summary
The authors state that the response to ZnO-NP treatment was mediated by increased thiol and phytochelatin production and enhanced sulfate uptake.
- Taxon
- durum wheatTriticum turgidum subsp. durume0
- Treatment
- ZnO-NP treatmente1
- Compound
- thiol and phytochelatine1
- Outcome
- Cd accumulatione1
- Qualifier
- enhanced sulfate uptake ratee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“durum wheat plants”
e1“the ZnO-NP treatment reduced the Cd accumulation in shoots, mitigating leaf chlorosis and oxidative damage. This response was clearly mediated by the increased thiol and phytochelatin production, as well as the enhanced sulfate uptake rate”
Claim · model-written summary
TdSultr1.3 was the most responsive gene, coding a high-affinity sulfate transporter, to Cd stress.
- Taxon
- durum wheatTriticum turgidum subsp. durume0
- Treatment
- Cd stresse1
- Gene
- TdSultr1.3e1
- Outcome
- most responsive genee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“durum wheat plants”
e1“with TdSultr1.3 as the most responsive gene coding for high-affinity transporter to Cd stress”
Claim · model-written summary
The authors conclude that applying biogenic ZnO-NPs appears a promising approach for reducing heavy metal uptake by plants.
- Taxon
- plantsViridiplantaee0
- Outcome
- reducing the uptake of heavy metalse0
Verbatim
e0“the application of biogenic ZnO-NPs appears to be a promising approach for reducing the uptake of heavy metals by plants”
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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.