Intervention effectmodel-written summary

A copper concentration of 10 microM caused lipid peroxidation in sunflower plants.

A claim from Oxidative Stress Induced by Copper in Sunflower Plants · 1999

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

A copper concentration of 10 microM caused lipid peroxidation in sunflower plants.

Taxon
sunflower plantsHelianthus annuuse0
Treatment
copper concentration of 10 microMe1
Outcome
lipid peroxidatione1

Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingDirectionValueQualifier

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

Helianthus annuus
Helianthus annuus · TaxonJon Sullivan · Public domain · Wikimedia Commons ↗

Verbatim

e0

“The toxic effect of copper was evaluated in sunflower plants by means of root elongation, lipid peroxidation and antioxidative enzyme activities.”

✓ located verbatim in the source · abstract, characters 0–145
e1

“From the results of the root elongation test, a copper concentration of 10 microM was found to be toxic for sunflower plants causing lipid peroxidation and, thus, oxidative stress”

✓ located verbatim in the source · abstract, characters 369–548

Title

Oxidative Stress Induced by Copper in Sunflower Plants

A. Garcia; F.J. Baquedano; P. Navarro; et al. Free Radical Research 1999. doi:10.1080/10715769900301311

Other claims from this paper (2)

Record rev-1bb03545fdb7a67684ac13af4f2aeade26440f97cd8ae20c032c197f33c3b02b · schema claims-v0.9 · position 2 in the model’s answer

copper atom · physiology: oxidative · Helianthus annuus (common sunflower)Results differ

5 papers: 1 positive, 4 negative or no effect

3 papers in the same direction as this claim · 1 in the opposite direction

  1. positive
    Copper plus brassinosteroids maintained leaf MDA at the control level in all cultivars.

    Effects of brassinosteroid on the induction of physiological changes in Helianthus annuus L. under copper stress · 2013 · compared with control level

    Opposite direction

  2. negative
    Copper increased chlorophyll ratio and lipid peroxidation.

    Salicylic Acid-induced Adaptive Response to Copper Stress in Sunflower (Helianthus annuus L.) · 2006

    Same direction

  3. negative
    Copper exposure caused oxidative damage in sunflower roots.

    Localized increases of polyphenol concentration and antioxidant capacity in relation to the differential accumulations of copper and cadmium in roots and in shoots of sunflower · 2010

    Same direction

  4. no effect
    Copper was not effective in inducing malondialdehyde accumulation.

    Involvement of Antioxidant Defense Capacity of Rice and Sunflower in Their Response to Cu and Mn Toxicity under Different Light Intensities · 2007

    Same direction

See all 5 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.