Paper · 2000 · Agro-environmental Protection

Alleviative Effect of Zinc Cation on Mercury Toxicity of Wheat Seedlings

Gangcai Chen

7
claims
12
verbatim quotes
2
citations
1
research areas
—
Not open access

Abstract

A test using solution culture was conducted to have revealed that mercury, a heavy metal, could increase permeability of plasma in membrane of wheat seedling and MDA accumulation. While activities of both SOD and POD were increased and the growth of seedling was decreased. In addition, all these effects were positively correlated with Hg concentration. It has also been discovered that when 10-3mol/L Zn2+ was added into Hg2+ stressed solution, the physiological -biochemical changes caused by Hg2+ toxicity could be restored at different degrees.

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Claims 7

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Mercury increased wheat seedling plasma membrane permeability.

Treatment
mercurye0
Outcome
permeability of plasma in membranee0
Direction
increasee0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“mercury, a heavy metal, could increase permeability of plasma in membrane of wheat seedling”

✓ located verbatim in the source · abstract, characters 66–157 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Mercury increased MDA accumulation.

Treatment
mercurye0
Outcome
MDA accumulatione0
Direction
increasee0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“mercury, a heavy metal, could increase permeability of plasma in membrane of wheat seedling and MDA accumulation”

✓ located verbatim in the source · abstract, characters 66–178 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Mercury increased SOD activity.

Treatment
mercuryt0
Gene
SODe0
Outcome
SODe0
Direction
increasede0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“activities of both SOD and POD were increased and the growth of seedling was decreased”

✓ located verbatim in the source · abstract, characters 186–272 · show in text ↑
t0

“Mercury Toxicity of Wheat Seedlings”

✓ located verbatim in the source · title, characters 37–72 · show in text ↑
Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Mercury increased POD activity.

Treatment
mercuryt0
Gene
PODe0
Outcome
PODe0
Direction
increasede0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“activities of both SOD and POD were increased and the growth of seedling was decreased”

✓ located verbatim in the source · abstract, characters 186–272 · show in text ↑
t0

“Mercury Toxicity of Wheat Seedlings”

✓ located verbatim in the source · title, characters 37–72 · show in text ↑
Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Mercury reduced seedling growth.

Treatment
mercuryt0
Outcome
growth of seedlinge0
Direction
decreasede0

Not reportedComparator

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“the growth of seedling was decreased”

✓ located verbatim in the source · abstract, characters 236–272 · show in text ↑
t0

“Mercury Toxicity of Wheat Seedlings”

✓ located verbatim in the source · title, characters 37–72 · show in text ↑
Associationobservedoriginal resultmeasured

Claim · model-written summary

The reported mercury effects were positively correlated with Hg concentration.

Treatment
Hg concentratione0
Outcome
all these effectse0
Direction
positively correlatede0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“all these effects were positively correlated with Hg concentration”

✓ located verbatim in the source · abstract, characters 287–353 · show in text ↑
t0

“Wheat Seedlings”

✓ located verbatim in the source · title, characters 57–72 · show in text ↑
Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Adding 10-3mol/L Zn2+ to Hg2+ solution restored toxicity induced physiological and biochemical changes to varying degrees.

Treatment
10-3mol/L Zn2+e0
Outcome
physiological -biochemical changese0
Direction
restorede0
Qualifier
at different degreese0
Comparator
Hg2+ stressed solutione0

Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Triticum aestivum
Triticum aestivum · TaxonRasbak · CC BY-SA 3.0 · Wikimedia Commons ↗

Verbatim

e0

“when 10-3mol/L Zn2+ was added into Hg2+ stressed solution, the physiological -biochemical changes caused by Hg2+ toxicity could be restored at different degrees”

✓ located verbatim in the source · abstract, characters 388–548 · show in text ↑
t0

“Wheat Seedlings”

✓ located verbatim in the source · title, characters 57–72 · show in text ↑

mercury atom · growth · Triticum aestivum (wheat)Results differ

14 papers: 6 positive, 8 negative or no effect

7 papers in the same direction as this paper · 6 in the opposite direction

  1. positive
  2. positive
  3. positive

10 papers more in this group

See all 14 papers →

mercury atom · physiology: oxidative · Triticum aestivum (wheat)Results agree

4 papers: 0 positive, 4 negative or no effect

3 papers in the same direction as this paper

  1. negative
  2. negative
  3. negative
See all 4 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.