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Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

At six days, membrane injury, MDA, and H2O2 showed a smaller increase.

Taxon: Bt cottont0
Outcome: MI, MDA content and H2O2 levele0
Direction: less increasee0

Verbatim

e0
“less increase in MI, MDA content and H2O2 level”
✓ located verbatim in the source · abstract, characters 1288–1335

t0
“Bt cotton”
✓ located verbatim in the source · title, characters 27–36

Title

Physiological Responses of Bt cotton under Drought Stress

Biswabiplab Singh; Sunita Sheokand; Anita Kumari; et al. International Journal of Current Microbiology and Applied Sciences 2020. doi:10.20546/ijcmas.2020.907.143

Other claims from this paper (8)

Observationobservedoriginal resultmeasured

Claim · model-written summary

Susceptible wheat genotypes showed a greater increase in H2O2 and MDA content than tolerant genotypes.

Taxon: wheatTriticum aestivumt0
Material: susceptible genotypese0
Outcome: H2O2 and MDA contente0
Direction: Higher increasee0
Comparator: heat tolerant genotypese0

Verbatim

e0
“Higher increase of H2O2 and MDA content was observed in susceptible genotypes which indicate more oxidative stress in the heat susceptible genotypes as compared to heat tolerant genotypes.”
✓ located verbatim in the source · abstract, characters 1741–1929

t0
“wheat cultivars”
✓ located verbatim in the source · title, characters 64–79

Title

Heat-induced oxidative stress and changes in protein profile in wheat cultivars

R. Mahla; S. Madan; R. Munjal; et al. Quality Assurance and Safety of Crops & Foods 2012. doi:10.1111/j.1757-837x.2012.00141.x

Other claims from this paper (13)

Intervention effect Heat stress increased leaf H2O2 production in both tolerant and susceptible wheat genotypes.
Observation Under heat stress, susceptible wheat genotypes had significantly more H2O2 than tolerant genotypes.
Intervention effect Heat stress enhanced CAT, POX, GR and APX activity in leaves of both wheat genotype classes.
Observation The percentage increase in antioxidative enzyme activity under heat stress was higher in tolerant wheat genotypes.
Intervention effect Heat stress increased SOD activity in tolerant wheat genotypes.
Intervention effect Heat stress decreased SOD activity in susceptible wheat genotypes.
Intervention effect After revival, CAT, POX and GR activities declined relative to stressed wheat seedlings but remained above controls.
Mechanism Higher H2O2 accumulation in wheat was linked by the authors to disrupted membranes and greater MDA content.
Intervention effect After revival, H2O2 and MDA content fell in all wheat genotypes but stayed above controls.
Observation Heat stressed WH-1021 seedlings displayed five new polypeptide bands.
Observation Heat stressed HW-2045 seedlings displayed five polypeptide bands.
Observation The two susceptible wheat genotypes showed similar high temperature induced polypeptide bands.
Mechanism Authors suggest greater heat tolerance of HW-2045 and WH-1021 may reflect heat shock proteins and oxygen scavenging enzymes.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

Wheat seedlings showed an increase in H2O2 content and lipid peroxidation degree, indicating oxidative damage.

Taxon: wheatTriticum aestivume0
Compound: H2O2e1
Outcome: increase in the H2O2 content and lipid peroxidation degreee1

Verbatim

e0
“Physiological and biochemical responses of wheat seedlings to drought, UV-B radiation, and combined stress were investigated”
✓ located verbatim in the source · abstract, characters 0–124

e1
“One reason for growth retardation may be the oxidative damage indicated by an increase in the H2O2 content and lipid peroxidation degree”
✓ located verbatim in the source · abstract, characters 228–364

Title

Physiological responses of wheat seedlings to drought and UV-B radiation. Effect of exogenous sodium nitroprusside application

X. R. Tian; Y. B. Lei Russian Journal of Plant Physiology 2007. doi:10.1134/s1021443707050160

Other claims from this paper (14)

Intervention effect Drought retarded wheat seedling growth by 26.5%.
Intervention effect UV-B radiation retarded wheat seedling growth by 29.1%.
Intervention effect The combined stress retarded wheat seedling growth by 55.9%.
Association Shoot fresh weight was negatively correlated with H2O2 content in wheat seedlings (R2 = 0.9251).
Association Fresh weight was negatively correlated with TBARS content in wheat seedlings (R2 = 0.9005).
Association H2O2 content was positively correlated with TBARS content in wheat seedlings (R2 = 0.9007).
Intervention effect Drought increased the activities of superoxide dismutase, guaiacol peroxidase and ascorbate peroxidase in wheat seedlings.
Intervention effect UV-B increased the activities of superoxide dismutase, guaiacol peroxidase and ascorbate peroxidase in wheat seedlings.
Intervention effect The combination of stresses increased the activities of superoxide dismutase, guaiacol peroxidase and ascorbate peroxidase in wheat seedlings.
Intervention effect Under the combined stress, catalase activity decreased compared with the control in wheat seedlings.
Intervention effect The combination of drought and UV-B caused more severe damage to wheat seedlings than the stress factors applied separately.
Intervention effect Sodium nitroprusside at 0.2 mM enhanced wheat seedling growth under drought, UV-B and combined stress.
Mechanism Sodium nitroprusside may enhance seedling growth by decreasing H2O2 accumulation and lipid peroxidation.
Intervention effect Sodium nitroprusside treatment decreased the proline content of wheat seedlings.

Observationobservedoriginal resultmeasured

Claim · model-written summary

H2O2 content showed the lowest increase in the FHB-susceptible variety Golubica.

Taxon: winter wheatTriticum aestivume0
Material: Golubicae3
Interactor: FusariumFusariume2pathogen
Outcome: H2O2 contente3
Direction: increasee3

Verbatim

e0
“in six winter wheat varieties when FHB symptoms started to occur”
✓ located verbatim in the source · abstract, characters 491–555

e3
“the lowest increase in H2O2 content was detected in the FHB-susceptible variety Golubica”
✓ located verbatim in the source · abstract, characters 1068–1156

e2
“Fusarium head blight (FHB) is found in both temperate and semi-tropical regions”
✓ located verbatim in the source · abstract, characters 0–79

Title

Changes in Antioxidant System during Grain Development of Wheat (Triticum aestivum L.) and Relationship with Protein Composition under FHB Stress

Valentina Spanic; Marija Viljevac Vuletic; Daniela Horvat; et al. Pathogens 2019. doi:10.3390/pathogens9010017

Other claims from this paper (6)

Intervention effect Maximum increase in POD activity under FHB treatment occurred in the resistant varieties Olimpija and Vulkan.
Intervention effect Serious artificial infection reduced total glutenin and high-molecular-weight glutenin subunit content in susceptible varieties.
Intervention effect DON accumulation increased in susceptible varieties after serious artificial infection.
Intervention effect DON content of inoculated flour was lower in the more resistant varieties Olimpija and Vulkan.
Observation The major gluten network was not significantly attacked by Fusarium in winter wheat.
Mechanism Protein composition in resistant varieties depended on POD activity as a detoxification agent.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

O2•– and H2O2 content increased during photooxidation.

Taxon: RiceOryza sativat0
Material: 812HSt0
Outcome: O2•– and H2O2 contentse0
Direction: increasee0

Verbatim

e0
“During photooxidation, an increase in O2•– and H2O2 contents was observed in mutant 812HS”
✓ located verbatim in the source · abstract, characters 1477–1566

t0
“Rice Mutant 812HS”
✓ located verbatim in the source · title, characters 88–105

Title

Comparative Physiological, Biochemical, and Proteomic Responses of Photooxidation-Prone Rice Mutant 812HS under High Light Conditions

Aisha Almakas; Guoxiang Chen; Fahad Masoud Wattoo; et al. Agronomy 2021. doi:10.3390/agronomy11112225

Other claims from this paper (13)

Observationobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Chloroplast H2O2 content rose significantly during stress.

Taxon: Pisum sativum L. cv. PugetLathyrus oleraceuse0
Outcome: H2O2 content of chloroplastse1
Direction: increasee1

Verbatim

e0
“in Pisum sativum L. cv. Puget plants”
✓ located verbatim in the source · abstract, characters 254–290

e1
“A significant increase in the H2O2 content of chloroplasts during stress”
✓ located verbatim in the source · abstract, characters 1387–1459

Title

Location and effects of long-term NaCl stress on superoxide dismutase and ascorbate peroxidase isoenzymes of pea (Pisum sativum cv. Puget) chloroplasts

J. M. Gomez Journal of Experimental Botany 2003. doi:10.1093/jxb/erh013

Other claims from this paper (11)

Observation Two Fe-SODs and CuZn-SODs occurred in pea thylakoids and stroma.
Observation Immunological assays confirmed chloroplastic Fe-SOD localization.
Intervention effect Thylakoidal Fe-SOD activity was induced at 70 mM NaCl.
Intervention effect Thylakoidal CuZn-SOD activity was induced at 90 mM NaCl.
Intervention effect At 110 mM NaCl, both thylakoidal SOD activities matched levels at 90 mM.
Intervention effect Stromal Fe-SOD and CuZn-SOD activities were induced from 90 mM, significantly at 110 mM NaCl.
Association Fe-SOD protein increased with Fe-SOD activity.
Intervention effect Stromal APX increased significantly at 70 mM NaCl.
Intervention effect Thylakoidal APX activity declined significantly and progressively with 70–110 mM NaCl.
Intervention effect Ascorbate declined at 90 mM NaCl.
Intervention effect Oxidized ascorbate showed no significant change at the highest NaCl concentration.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

After cadmium treatment, mutant seedling leaves had a greater H2O2 increase.

Taxon: Arabidopsis thalianaArabidopsis thalianat0
Material: mutant seedlingse0
Organ / stage: leavese0
Outcome: content of H2O2e0
Direction: increased more obviouslye0

Verbatim

e0
“the content of H2O2 increased more obviously in the leaves of mutant seedlings after cadmium treatment”
✓ located verbatim in the source · abstract, characters 345–447

t0
“Arabidopsis thaliana CEO1 (clone eight-one)”
✓ located verbatim in the source · abstract, characters 12–55

Title

Role of Arabidopsis CEO1 gene under CdCl2 -induced oxidative stress.

Xianghuan Cui; Zhu PeiYan; Bao‐Zhu Li Chih Wu Sheng Li Hsueh T'ung Hsun 2009

Other claims from this paper (8)

Intervention effect After CdCl2 treatment, ceo1 mutant seedlings were dwarfer than wild type.
Intervention effect After CdCl2 treatment, ceo1 mutant leaves were yellower and curlier than wild type.
Intervention effect After CdCl2 treatment, ceo1 mutant roots were shorter than wild type.
Observation In mutants, APX activity increased after 1 h of cadmium treatment and remained elevated until 2 h.
Observation Wild-type APX activity began increasing after 2 h of cadmium treatment.
Observation Wild-type GR activity markedly increased after 2 h of treatment.
Observation Mutant GR activity showed no visible change after 2 h of treatment.
Observation CAT and SOD activities showed no obvious difference between types after treatment.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Hydrogen peroxide content increased rapidly during pear bud endodormancy.

Taxon: Pyrus pyrifoliaPyrus pyrifoliat0
Organ / stage: endodormancye0
Outcome: H2O2 contente0
Direction: increasee0

Verbatim

e0
“H2O2 content exhibited a rapid increase during endodormancy”
✓ located verbatim in the source · abstract, characters 969–1028

t0
“Pear (Pyrus pyrifolia)”
✓ located verbatim in the source · title, characters 85–107

Title

Screening and Expression Analysis of POD Gene in POD-H2O2 Pathway on Bud Dormancy of Pear (Pyrus pyrifolia)

Xuwen Xiang; Keke Song; Yinyin Li; et al. Forests 2024. doi:10.3390/f15030434

Other claims from this paper (6)

Observation PpPOD4-like was the most significantly expressed of seven POD genes.
Observation PpPOD4-like localized to cell membranes.
Observation Hydrogen peroxide content decreased swiftly after pear bud ecodormancy.
Association POD activity followed the fluctuation pattern of hydrogen peroxide content.
Observation PpPOD4-like expression was markedly upregulated overall.
Mechanism The authors infer that PpPOD4-like modulates hydrogen peroxide through POD activity in pear dormancy.

Observationobservedoriginal resultnegativemeasured

Claim · model-written summary

HD2687 had the highest increase in H2O2 and TBARS contents.

Taxon: wheatTriticum aestivumt0
Material: HD2687e0
Outcome: H2O2 and TBARS contentse0
Direction: highest increasee0

Verbatim

e0
“Kharchia 65 showed lowest decline in RWC, Chl, MSI and AA content, lowest increase in H2O2 and TBARS contents and higher increase in SOD and its isozymes, APOX and GR, while HD2687 showed the highest decrease in AA content, highest increase in H2O2 and TBARS contents and smallest increase in activities of antioxidant enzymes”
✓ located verbatim in the source · abstract, characters 534–860

t0
“wheat”
✓ located verbatim in the source · title, characters 95–100

Title

Differences in antioxidant activity in response to salinity stress in tolerant and susceptible wheat genotypes

R. K. Sairam; G. C. Srivastava; S. Agarwal; et al. Biologia Plantarum 2005. doi:10.1007/s10535-005-5091-2

Other claims from this paper (10)

Intervention effect NaCl decreased relative water content (RWC), chlorophyll content (Chl), membrane stability index (MSI) in wheat.
Intervention effect NaCl decreased ascorbic acid (AA) content in wheat.
Intervention effect NaCl increased contents of hydrogen peroxide, thiobarbituric acid reactive substances (TBARS) in wheat.
Intervention effect NaCl increased activities of superoxide dismutase (SOD), ascorbate peroxidase (APOX) and glutathione reductase (GR) in wheat.
Observation Kharchia 65 had the lowest declines in RWC, Chl, MSI, and AA under salinity.
Observation Kharchia 65 had the lowest increases in H2O2 and TBARS.
Observation Kharchia 65 had higher increases in antioxidant enzyme activities.
Observation HD2687 had the highest decrease in AA content.
Observation HD2687 had the smallest increase in antioxidant enzyme activities.
Observation KRL 19 and HD 2009 had intermediate oxidative stress and antioxidant activity responses.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Early symbiotic events in peanut trigger an increase in ROS production, represented by a higher H2O2 content.

Taxon: Arachis hypogaeaArachis hypogaeae0
Compound: H2O2e1
Outcome: ROS productione1
Direction: increasee1

Verbatim

e0
“such as Arachis hypogaea L. (peanut)”
✓ located verbatim in the source · abstract, characters 258–294

e1
“the early events of the symbiotic interaction in legumes invaded by crack entry trigger an increase in ROS production (represented exclusively by a higher H2O2 content) in which NADPH-oxidase seems not to be involved”
✓ located verbatim in the source · abstract, characters 911–1127

Title

Role of reactive oxygen species generation and Nod factors during the early symbiotic interaction between bradyrhizobia and peanut, a legume infected by crack entry

V. Muñoz; F. Ibáñez; M. Tordable; et al. Journal of Applied Microbiology 2014. doi:10.1111/jam.12669

Other claims from this paper (6)

“increase of H2O2 content”

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