Abstract
This research investigated the toxicity effects of cadmium chloride (0, 100, 200 and 300 μM) and its interactive effects with methyl jasmonate (MeJA) (0, 0.01 and 0.1 mM) on growth parameters, cadmium (Cd) accumulation, and Allene-Oxide Cyclase (AOC) gene expression in wheat seedling (Sivand cultivar). According to the results, Cd at concentrations of 200 μM and 300 μM reduced the growth traits of the wheat. Under exposure to 300 μM Cd, root and shoot cadmium content was 30 and 17 times greater than the base level, respectively. Under 100 μM Cd exposures, bioaccumulation factor (BCF) for root and shoot increased by 46 and 25 times respectively. The spraying of MeJA on Cd-stressed plants showed a positive effect on growth parameters, increasing them by 10-40%. The treatment with 0.01 mM jasmonate decreased the accumulation of cadmium in root and shoot by about 30%. The same amount of decrease was observed in BCF after the jasmonate treatment of the specimens exposed to Cd. But application of 0.1 MeJA increased the BCF in most Cd concentrations. Under exposure to 200 μM Cd, AOC expression showed an approximately three fold increase. The use of 0.1 mM MeJA also resulted in a fourfold increase in AOC gene expression. It can conclude that MeJA showed a substantial impact on Cd accumulation and AOC gene expression in wheat seedling.
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Claims 11
Claim · model-written summary
Cadmium at 200 and 300 μM reduced wheat growth traits.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- Cd at concentrations of 200 μM and 300 μMe0
- Outcome
- growth traitse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cd at concentrations of 200 μM and 300 μM reduced the growth traits of the wheat”
Claim · model-written summary
Under 300 μM Cd, root cadmium content was 30 times the base level.
- Taxon
- wheatTriticum aestivume1
- Material
- Sivand cultivare1
- Organ / stage
- roote0
- Treatment
- 300 μM Cde0
- Outcome
- cadmium contente0
- Direction
- greatere0
- Value
- 30e0
- Comparator
- base levele0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under exposure to 300 μM Cd, root and shoot cadmium content was 30 and 17 times greater than the base level, respectively”
e1“wheat seedling (Sivand cultivar)”
Claim · model-written summary
Under 300 μM Cd, shoot cadmium content was 17 times the base level.
- Taxon
- wheatTriticum aestivume1
- Material
- Sivand cultivare1
- Organ / stage
- shoote0
- Treatment
- 300 μM Cde0
- Outcome
- cadmium contente0
- Direction
- greatere0
- Value
- 17e0
- Comparator
- base levele0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under exposure to 300 μM Cd, root and shoot cadmium content was 30 and 17 times greater than the base level, respectively”
e1“wheat seedling (Sivand cultivar)”
Claim · model-written summary
At 100 μM Cd, root BCF increased 46 times.
- Taxon
- wheatTriticum aestivume1
- Organ / stage
- roote0
- Treatment
- 100 μM Cde0
- Outcome
- bioaccumulation factor (BCF)e0
- Direction
- increasede0
- Value
- 46e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under 100 μM Cd exposures, bioaccumulation factor (BCF) for root and shoot increased by 46 and 25 times respectively”
e1“wheat seedling (Sivand cultivar)”
Claim · model-written summary
At 100 μM Cd, shoot BCF increased 25 times.
- Taxon
- wheatTriticum aestivume1
- Organ / stage
- shoote0
- Treatment
- 100 μM Cde0
- Outcome
- bioaccumulation factor (BCF)e0
- Direction
- increasede0
- Value
- 25e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under 100 μM Cd exposures, bioaccumulation factor (BCF) for root and shoot increased by 46 and 25 times respectively”
e1“wheat seedling (Sivand cultivar)”
Claim · model-written summary
MeJA spraying raised growth parameters of Cd stressed wheat by 10-40%.
- Taxon
- wheatTriticum aestivume1
- Treatment
- spraying of MeJAe0
- Outcome
- growth parameterse0
- Direction
- increasinge0
- Value
- 10-40%e0
- Qualifier
- Cd-stressed plantse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The spraying of MeJA on Cd-stressed plants showed a positive effect on growth parameters, increasing them by 10-40%”
e1“wheat seedling (Sivand cultivar)”
Claim · model-written summary
0.01 mM jasmonate reduced root and shoot cadmium accumulation by about 30%.
- Taxon
- wheatTriticum aestivume1
- Treatment
- 0.01 mM jasmonatee0
- Outcome
- accumulation of cadmium in root and shoote0
- Direction
- decreasede0
- Value
- about 30%e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The treatment with 0.01 mM jasmonate decreased the accumulation of cadmium in root and shoot by about 30%”
e1“wheat seedling (Sivand cultivar)”
Claim · model-written summary
Jasmonate reduced BCF by the same amount in Cd exposed specimens.
- Taxon
- wheatTriticum aestivume1
- Treatment
- jasmonate treatmente0
- Outcome
- BCFe0
- Direction
- decreasee0
- Qualifier
- specimens exposed to Cde0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The same amount of decrease was observed in BCF after the jasmonate treatment of the specimens exposed to Cd”
e1“wheat seedling (Sivand cultivar)”
Claim · model-written summary
0.1 MeJA increased BCF at most Cd concentrations.
- Taxon
- wheatTriticum aestivume1
- Treatment
- 0.1 MeJAe0
- Outcome
- BCFe0
- Direction
- increasede0
- Qualifier
- most Cd concentrationse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“application of 0.1 MeJA increased the BCF in most Cd concentrations”
e1“wheat seedling (Sivand cultivar)”
Claim · model-written summary
At 200 μM Cd, AOC expression increased approximately threefold.
- Taxon
- wheatTriticum aestivume1
- Treatment
- 200 μM Cde0
- Gene
- AOCe0
- Outcome
- AOC expressione0
- Direction
- increasee0
- Value
- approximately three folde0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Under exposure to 200 μM Cd, AOC expression showed an approximately three fold increase”
e1“wheat seedling (Sivand cultivar)”
Claim · model-written summary
0.1 mM MeJA increased AOC gene expression fourfold.
- Taxon
- wheatTriticum aestivume1
- Treatment
- 0.1 mM MeJAe0
- Gene
- AOCe0
- Outcome
- AOC gene expressione0
- Direction
- increasee0
- Value
- fourfolde0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The use of 0.1 mM MeJA also resulted in a fourfold increase in AOC gene expression”
e1“wheat seedling (Sivand cultivar)”
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