Search claims · PlantClaims

Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Sprouting was associated with a significant increase in H2O2 content in potato tubers.

Taxon: Solanum tuberosum L.Solanum tuberosumt0
Organ / stage: Sproutinge7
Outcome: H2O2 contente7
Direction: increasee7

Verbatim

t0
“Solanum tuberosum L.”
✓ located verbatim in the source · title, characters 70–90

e7
“Sprouting was associated with a significant increase in H2O2 content”
✓ located verbatim in the source · abstract, characters 1413–1481

Title

Hydrogen Peroxide and a Catalase, Physiological Regulators of Potato (Solanum tuberosum L.) Tuber Dormancy

Mahmoud M’Hamdi; Hela Beji; Lassaâd Belbahri; et al. 2009

Other claims from this paper (16)

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

H2O2 increase correlated positively with antioxidant decrease under severe stress.

Taxon: maizeZea mayst0
Treatment: severe water stresse0
Outcome: increase of H2O2 contente0
Direction: increasee0
Qualifier: decrease of activity (content) of the antioxidants under severe water stresse0

Verbatim

e0
“increase of H2O2 content is obviously positive correlation with the decrease of activity (content) of the antioxidants under severe water stress”
✓ located verbatim in the source · abstract, characters 510–654

t0
“maize root”
✓ located verbatim in the source · title, characters 61–71

Title

Effects of water stress on AsA-GSH cycle and H2O2 content in maize root.

Li De Zhongguo shengtai nongye xuebao 2002

Other claims from this paper (7)

Intervention effect GR and APX activities rose below 100g/kg PEG.
Intervention effect GSH content rose below 100g/kg PEG.
Intervention effect GR and APX activities fell above 150g/kg PEG.
Intervention effect GSH content fell above 150g/kg PEG.
Intervention effect AsA content declined under water stress.
Intervention effect H2O2 content increased under water stress.
Association The more drought resistant variety had higher antioxidant activity.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

Drought pretreatment increased H2O2 content.

Taxon: maizeZea mayse1
Treatment: drought pretreatmente0
Outcome: H2O2 contente0
Direction: increasee0

Not reportedComparator

Verbatim

e0
“we found an increase of H2O2 content after drought pretreatment”
✓ located verbatim in the source · abstract, characters 1219–1282

e1
“maize (Zea mays L.)”
✓ located verbatim in the source · abstract, characters 119–138

Title

Drought enhances maize chilling tolerance. II. Photosynthetic traits and protective mechanisms against oxidative stress

Ricardo Aroca; Juan José Irigoyen; Manuel Sánchez‐Díaz Physiologia Plantarum 2003. doi:10.1034/j.1399-3054.2003.00065.x

Other claims from this paper (9)

Intervention effect Drought pretreatment reduced chilling injury symptoms in Penjalinan.
Intervention effect Drought pretreatment reduced chilling-induced lipid peroxidation in Penjalinan.
Observation After one recovery day, Z7 had higher net photosynthesis than Penjalinan without drought pretreatment.
Intervention effect After one recovery day, drought-pretreated Penjalinan had higher net photosynthesis than untreated Penjalinan.
Association Net photosynthesis covaried positively with NADP-malate dehydrogenase activity.
Observation Chilled groups did not differ in xanthophyll-cycle de-epoxidation state.
Observation Chilled groups did not differ in antioxidant enzyme activity.
Observation Chilled Penjalinan without drought pretreatment had markedly lower ascorbate content.
Mechanism The authors suggest H2O2 signals drought-enhanced chilling tolerance.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Cu at 8µM induced a twofold increase in root H2O2 content during the first 4 days.

Taxon: Brassica junceaBrassica junceat0
Treatment: Cu at 8µMe4
Outcome: H2O2 contente4
Direction: increasee4
Value: twofolde4
Qualifier: during the first 4 de4

Not reportedComparator

Verbatim

t0
“Brassica juncea”
✓ located verbatim in the source · title, characters 62–77

e4
“Treatment with Cu at 8µM induced a twofold increase in H2O2 content during the first 4 d”
✓ located verbatim in the source · abstract, characters 411–499

Title

Copper-induced stress and antioxidative responses in roots of Brassica juncea L.

Songhua Wang; Zhimin Yang; Hong Yang; et al. Zhōngyāng yánjiūyuàn zhíwùxué huikān/Zhōngyāng yánjiūyuàn zhíwùxué huikān 2004. doi:10.7016/bbas.200407.0203

Other claims from this paper (15)

Observation Copper was taken up rapidly by the roots as soon as treatment started.
Intervention effect Cu at 8µM reduced root biomass by 50 percent compared with control.
Association Cu-induced root growth inhibition paralleled the level of root oxidative damage.
Intervention effect H2O2 content declined to the basal level after the first 4 days of Cu treatment.
Intervention effect Cu at 8µM doubled superoxide dismutase activity during the first 2 days.
Intervention effect The superoxide dismutase stimulation under Cu lasted 4 days and then declined.
Intervention effect Cu at 8µM significantly increased ascorbate peroxidase and guaiacol peroxidase activities in roots after the first 4 days.
Intervention effect Ascorbate peroxidase and guaiacol peroxidase activities in roots were low during the first 4 days of Cu exposure.
Intervention effect Copper stress suppressed catalase activity throughout.
Intervention effect Cu at 8µM generally decreased reduced ascorbate and dehydroascorbate.
Intervention effect Reduced glutathione content decreased at early stages of Cu treatment.
Intervention effect Reduced glutathione content was restored to the control level after the early stages of Cu treatment.
Intervention effect Oxidized glutathione content showed a progressive increase during Cu treatment.
Observation Total non-protein thiol content increased during the first several days of Cu treatment.
Observation Total non-protein thiol content declined at later stages of Cu treatment.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Seed H2O2 content rose quickly after aging.

Taxon: Phoebe zhennanPhoebe zhennant0
Treatment: agede0
Outcome: H2O2e0
Direction: increase quicklye0

Not reportedComparator

Verbatim

e0
“Results show that the contents of O2-·.and H2O2 increase quickly after the seeds are aged”
✓ located verbatim in the source · abstract, characters 235–324

t0
“Phoebe zhennan”
✓ located verbatim in the source · title, characters 35–49

Title

Dropping Mechanism of the Vigor of Phoebe zhennan Seeds

Liangming Chen Zhongnan Linye Keji Daxue xuebao 2009

Other claims from this paper (4)

Intervention effect Seed O2-· content rose quickly after aging.
Intervention effect SOD, CAT and POD activities declined greatly after 36 h aging.
Mechanism Aging reduced scavenging ability for O2-· and H2O2.
Mechanism Seed cells were damaged and seed vigor decreased.

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 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.

Associationobservedoriginal resultpositivemeasured

Claim · model-written summary

Higher storage temperature increased LOX activity, MDA value and H2O2 content.

Taxon: TOMATOSolanum lycopersicumt0
Treatment: Increase in storage temperaturee0
Outcome: activity of LOX, and also increased MDA value and H2O2 contente0
Direction: increasede0

Verbatim

e0
“Increase in storage temperature further enhanced the activity of LOX, and also increased MDA value and H2O2 content”
✓ located verbatim in the source · abstract, characters 531–646

t0
“TOMATO”
✓ located verbatim in the source · title, characters 44–50

Title

OXIDATIVE STRESS AND ANTIOXIDANT SYSTEMS IN TOMATO FRUITS DURING STORAGE

K. MONDAL; N.S. SHARMA; S.P. MALHOTRA; et al. Journal of Food Biochemistry 2003. doi:10.1111/j.1745-4514.2003.tb00598.x

Other claims from this paper (8)

Observation ARTH-3 tomato fruit remained storable at all tested temperatures for ten days.
Observation Sel-7 fruit tolerated 35C for only four days.
Observation Sel-7 fruit could be stored at 10 and 25C for six days.
Association LOX activity, MDA value and H2O2 content increased in both varieties during storage.
Observation Sel-7 had higher LOX, MDA and H2O2 values than ARTH-3.
Association ROS-scavenging enzyme activities decreased continuously during storage.
Association Higher temperature further decreased scavenging enzyme activities in both varieties.
Observation Sel-7 had lower ROS-scavenging enzyme activities than ARTH-3 throughout storage.

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.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

H2O2 treatment increased chlorophyll a content of Deschampsia in both species

Taxon: DeschampsiaDeschampsiae0
Treatment: H2O2 treatmente3
Outcome: chlorophyll a contente3
Direction: increasee3

Not reportedComparator

Verbatim

e0
“The effect of stress factors – ultraviolet radiation (UV-B) and hydrogen peroxide (H2O2) upon two species of Deschampsia plants”
✓ located verbatim in the source · abstract, characters 0–127

e3
“H2O2 treatment cause increase chlorophyll a content in both species and carotenoids in D. antarctica plants”
✓ located verbatim in the source · abstract, characters 622–729

Title

Response reaction of Deschampsia antarctica Desv. plants to UV-B irradiation and oxidative stress

N.Yu. Taran; A.A. Okanenko; L.M. Batsmanova; et al. Ukrainian Antarctic Journal 2009. doi:10.33275/1727-7485.8.2009.472

Other claims from this paper (6)

Intervention effect UV-B radiation changed pigment composition of Deschampsia plants
Intervention effect UV-B radiation was followed by accumulation of triacylglicerols, sulphoquinovosyl diacylglycerol and phosphatidylcholine in Deschampsia
Intervention effect UV-B radiation decreased the monogalactosyldiacylglycerol quantity of Deschampsia
Intervention effect H2O2 treatment increased carotenoids in D. antarctica plants
Intervention effect H2O2 treatment decreased monogalactosyldiacylglycerol content in D. caespitosa
Intervention effect H2O2 treatment caused an insignificant increase of SQDG in D. antarctica leaves

“increase of H2O2 content”

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