Search claims · PlantClaims

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

H2O2 content did not increase.

Taxon: Glechoma longitubaGlechoma longitubat0
Outcome: H 2 O 2 contente0
Direction: did note0

Not reportedTreatmentComparator

Verbatim

e0
“The NO content increased in irradiated and un‐irradiated leaves and stolons, but the H 2 O 2 content did not”
✓ located verbatim in the source · abstract, characters 995–1103

t0
“Glechoma longituba”
✓ located verbatim in the source · abstract, characters 500–518

Title

Nitric oxide is involved in integration of UV‐B absorbing compounds among parts of clonal plants under a heterogeneous UV‐B environment

Xiao Liu; Qian Li; Ming Yue; et al. Physiologia Plantarum 2014. doi:10.1111/ppl.12313

Other claims from this paper (7)

Intervention effect Heterogeneous UV-B increased UV-B absorbing compounds in irradiated leaves.
Intervention effect Heterogeneous UV-B increased UV-B absorbing compounds in unirradiated leaves.
Intervention effect UV-B absorbing compounds did not increase in connecting stolons.
Intervention effect NO content increased in irradiated and unirradiated leaves and stolons.
Intervention effect NO inhibitors and blocker prevented the increase in UV-B absorbing compounds in unirradiated ramets.
Intervention effect NO inhibitors and blocker prevented increased PAL activity in unirradiated ramets.
Mechanism Authors infer that UV-B-induced NO signals through stolons to raise PAL activity and absorbing compounds in unirradiated ramets.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

H2S did not increase H2O2 content in the Atgpa1-3, Atgpa1-4, Atagb1-1 and Atagb1-2 mutants.

Taxon: Arabidopsis thalianaArabidopsis thalianae0
Material: Atgpa1-3, Atgpa1-4, Atagb1-1 and Atagb1-2 mutantse6
Treatment: H2Se0
Outcome: H2O2 contente5
Direction: but not ine6
Comparator: wide typee5

Verbatim

e0
“Hydrogen sulfide (H 2 S) induces stomatal closure in Arabidopsis thaliana”
✓ located verbatim in the source · abstract, characters 0–73

e5
“H2S induced increase in H2O2 content in leaves and guard cells of A. thaliana wide type”
✓ located verbatim in the source · abstract, characters 971–1058

e6
“but not in Atgpa1-3, Atgpa1-4, Atagb1-1 and Atagb1-2 mutants”
✓ located verbatim in the source · abstract, characters 1060–1120

Title

G-Protein Acts Upstream of H_2O_2 in Mediating H_2S-Induced Stomatal Closure in Arabidopsis thaliana

Dan Zhang 2013

Other claims from this paper (9)

Intervention effect H2S induced stomatal closure in wild type Arabidopsis thaliana.
Intervention effect H2S had no significant effect on stomatal movement in the Atgpa1-3, Atgpa1-4, Atagb1-1 and Atagb1-2 mutants, compared with wild type.
Intervention effect The GPA activator cholera toxin (CTX) improved H2S-induced stomatal closure.
Intervention effect The inhibitor pertussis toxin (PTX) had the opposite effect on H2S-induced stomatal closure.
Mechanism G-protein is a signalling intermediate in H2S-induced stomatal closure.
Intervention effect H2S induced an increase in H2O2 content in leaves and guard cells of wild type Arabidopsis.
Intervention effect CTX enhanced H2O2 content in leaves and guard cells of Arabidopsis.
Intervention effect The inhibitor PTX had the opposite effect on H2O2 content.
Mechanism G-protein acts upstream of H2O2 in mediating H2S-induced stomatal closure in Arabidopsis.

Intervention effectobservedoriginal resultno effectnot significant (as stated)measured

Claim · model-written summary

H2S scavenger and synthesis inhibitors had no significant effect on ethylene induced H2O2 in guard cells.

Taxon: A. thalianaArabidopsis thalianae0
Organ / stage: guard cellse0
Treatment: H2S scavenger and synthesis inhibitorse2
Outcome: H2O2 contente0
Direction: no significant effecte0

Not reportedComparator

Verbatim

e0
“had no significant effect on ethylene-induced increase in H2O2 content in guard cells of A. thaliana.”
✓ located verbatim in the source · abstract, characters 1043–1144

e1
“The results showed that ethylene triggered raise of H2S content and L-/D-cysteine desulfhydrase (L-/D-CDes) activity as well as stomatal closure in leaves of A. thaliana wild type, but not in those of H2O2 deficient mutants AtrbohD, AtrbohF, Atpao2 and Atpao4, ethylene induced increase in H2O2 content in H2S deficient mutants Atl-cdes and Atd-cdes, but couldn’t induce stomatal closure.”
✓ located verbatim in the source · abstract, characters 376–764

e2
“However, although H2S scavenger and synthesis inhibitors suppressed ethylene-induced stomatal closure, but had no significant effect on ethylene-induced increase in H2O2 content in guard cells of A. thaliana.”
✓ located verbatim in the source · abstract, characters 936–1144

Title

H_2S Functions Downstream of H_2O_2 in Mediating Ethylene-Induced Stomatal Closure in Arabidopsis thaliana

Zhi Hou 2012

Other claims from this paper (6)

Intervention effect Ethylene raised H2S content and L-/D-CDes activity and closed stomata in wild type Arabidopsis leaves.
Intervention effect Ethylene did not elicit these responses in H2O2 deficient mutants.
Intervention effect Ethylene increased H2O2 in H2S deficient mutants without closing stomata.
Intervention effect H2O2 scavenger and synthesis inhibitors suppressed ethylene induced H2S, enzyme activity and stomatal closure.
Intervention effect H2S scavenger and synthesis inhibitors suppressed ethylene induced stomatal closure.
Mechanism Authors deduced that H2S acts downstream of H2O2 in ethylene induced stomatal closure.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Stress caused no observed H2O2 or MDA change in tolerant genotypes.

Taxon: maize (Zea mays L.)Zea mayst0
Material: tolerant genotypese0
Treatment: stresse0
Outcome: H2O2 and malondialdehyde (MDA, a marker for lipid peroxidation) contente0
Direction: no changee0

Not reportedComparator

Verbatim

e0
“Imposition of stress led to increase in H2O2 and malondialdehyde (MDA, a marker for lipid peroxidation) content in sensitive genotypes, while in tolerant genotypes no change was observed”
✓ located verbatim in the source · abstract, characters 817–1003

t0
“maize (Zea mays L.)”
✓ located verbatim in the source · title, characters 44–63

Title

Evaluation of oxidative stress tolerance in maize (Zea mays L.) seedlings in response to drought.

Vishal Chugh; Narinder Kaur; Anil K Gupta PubMed 2011

Other claims from this paper (9)

Intervention effect Drought increased CAT and APX activities in tolerant maize genotypes.
Intervention effect Drought significantly decreased SOD activity in sensitive genotypes.
Intervention effect SOD activity remained unchanged under stress in tolerant genotypes.
Intervention effect Drought significantly induced POX activity in both tolerant and sensitive genotypes.
Intervention effect Stress increased H2O2 content in sensitive genotypes.
Intervention effect Stress increased MDA content in sensitive genotypes.
Intervention effect Glutathione content increased significantly in sensitive genotypes.
Intervention effect Ascorbic acid pool increased in both tolerance groups, more strongly in tolerant genotypes.
Association Antioxidative defence activation correlated with drought tolerance in tolerant genotypes.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Ethylene did not elicit these responses in H2O2 deficient mutants.

Taxon: A. thalianaArabidopsis thalianae1
Material: H2O2 deficient mutants AtrbohD, AtrbohF, Atpao2 and Atpao4e0
Treatment: ethylenee1
Outcome: stomatal closuree1
Direction: no_changeinferrede0

Not reportedComparator

Verbatim

e0
“but not in those of H2O2 deficient mutants AtrbohD, AtrbohF, Atpao2 and Atpao4”
✓ located verbatim in the source · abstract, characters 557–635

e1
“The results showed that ethylene triggered raise of H2S content and L-/D-cysteine desulfhydrase (L-/D-CDes) activity as well as stomatal closure in leaves of A. thaliana wild type, but not in those of H2O2 deficient mutants AtrbohD, AtrbohF, Atpao2 and Atpao4, ethylene induced increase in H2O2 content in H2S deficient mutants Atl-cdes and Atd-cdes, but couldn’t induce stomatal closure.”
✓ located verbatim in the source · abstract, characters 376–764

e2
“However, although H2S scavenger and synthesis inhibitors suppressed ethylene-induced stomatal closure, but had no significant effect on ethylene-induced increase in H2O2 content in guard cells of A. thaliana.”
✓ located verbatim in the source · abstract, characters 936–1144

Title

H_2S Functions Downstream of H_2O_2 in Mediating Ethylene-Induced Stomatal Closure in Arabidopsis thaliana

Zhi Hou 2012

Other claims from this paper (6)

Intervention effect Ethylene raised H2S content and L-/D-CDes activity and closed stomata in wild type Arabidopsis leaves.
Intervention effect Ethylene increased H2O2 in H2S deficient mutants without closing stomata.
Intervention effect H2O2 scavenger and synthesis inhibitors suppressed ethylene induced H2S, enzyme activity and stomatal closure.
Intervention effect H2S scavenger and synthesis inhibitors suppressed ethylene induced stomatal closure.
Intervention effect H2S scavenger and synthesis inhibitors had no significant effect on ethylene induced H2O2 in guard cells.
Mechanism Authors deduced that H2S acts downstream of H2O2 in ethylene induced stomatal closure.

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Salinity did not affect straw H2O2.

Taxon: riceOryza sativat0
Treatment: Salinity treatmentse1
Outcome: H 2 O 2 levele0
Direction: not affectede0
Comparator: controle2

Verbatim

e0
“while H 2 O 2 level was not affected.”
✓ located verbatim in the source · abstract, characters 1084–1121

t0
“Rice”
✓ located verbatim in the source · title, characters 125–129

e1
“Salinity treatments caused malondialdehyde content to increase in the rice straws”
✓ located verbatim in the source · abstract, characters 1001–1082

e2
“Compared with the control, results showed that salinity treatments significantly increased the contents of total T3, α‐Toc, α‐T3, and γ‐T3 in the rice grains”
✓ located verbatim in the source · abstract, characters 619–776

Title

Effects of Soil Salinity on Tocopherols, Tocotrienols, and γ‐Oryzanol Accumulation and their Relation to Oxidative Stress in Rice Plants

Yu‐Hsiang Tung; Lean‐Teik Ng Crop Science 2016. doi:10.2135/cropsci2015.10.0664

Other claims from this paper (8)

Intervention effect Salinity increased total T3, alpha-Toc, and alpha- and gamma-T3 in grain.
Intervention effect Salinity did not change total Toc content.
Intervention effect High salinity increased GO in grain.
Intervention effect High salinity decreased grain gamma-Toc.
Intervention effect Salinity increased straw malondialdehyde.
Intervention effect Increasing salinity decreased ascorbate in straw and grain.
Intervention effect Salinity enhanced three antioxidant enzyme activities in straw.
Intervention effect Grain enzymatic antioxidant activities were lower under salinity.

Observationauthor interpretationoriginal resultno effectmeasured

Claim · model-written summary

NADPH-oxidase seems not to be involved in the early ROS increase of peanut symbiosis (author interpretation).

Taxon: Arachis hypogaeaArachis hypogaeae0
Gene: NADPH-oxidasee1
Outcome: ROS productione1
Direction: not to be involvede1

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)

Intervention effectobservedoriginal resultno effectmeasured

Claim · model-written summary

Finger millet had very little biochemical difference at 42 oC compared with 37 oC.

Taxon: finger milletEleusine coracanae2
Treatment: 42 oCe2
Outcome: differencee2
Direction: very lesse2
Comparator: 37 oCe2

Verbatim

e2
“With biochemical assay, it was shown that finger millet had very less difference at 42 oC as compared to 37 oC, however there is significant reduction at 47 oC in chlorophyll and carotenoid content and relative water content (RWC) percent whereas increase in electrolyte leakage (%) and H2O2 and O2 concentration”
✓ located verbatim in the source · abstract, characters 715–1027

Title

Evaluation of Finger millet as heat tolerant crop using physiological and biochemical assays

Sonam Singh1; Suphiya Khan; Jasdeep C. Padaria; et al. Journal of AgriSearch 2018. doi:10.21921/jas.5.2.6

Other claims from this paper (8)

Intervention effect Finger millet showed better heat-stress tolerance than cotton, judged by MDA accumulation after heat stress.
Observation Finger millet was least affected at 42 oC in seed germination and seedling growth tests.
Intervention effect At 47 oC, germination percent and fresh weight of finger millet were reduced under higher temperature.
Intervention effect At 47 oC, chlorophyll and carotenoid content of finger millet showed a significant reduction.
Intervention effect At 47 oC, relative water content of finger millet showed a significant reduction.
Intervention effect At 47 oC, electrolyte leakage and H2O2 and O2 concentration in finger millet increased.
Observation Finger millet plants can tolerate a temperature of 47 oC.
Recommendation Finger millet can be used for allele mining of known genes and prospecting of novel genes for crop improvement under high temperature stress.

Associationobservedoriginal resultno effectmeasured

Claim · model-written summary

The hydrogen ion efflux pattern did not match peroxide accumulation or inhibitor release.

Taxon: Arabidopsis thalianaArabidopsis thalianat0
Treatment: FCe1
Outcome: H+ effluxe0
Direction: does not fite0

Verbatim

e0
“The pattern of H+ efflux, conversely, does not fit with that of these two parameters”
✓ located verbatim in the source · abstract, characters 488–572

t0
“Arabidopsis thaliana cells”
✓ located verbatim in the source · abstract, characters 93–119

e1
“The phytotoxin fusicoccin (FC) was found to induce an increase in apoplastic H₂O₂ content in Arabidopsis thaliana cells”
✓ located verbatim in the source · abstract, characters 0–119

Title

Fusicoccin‐induced catalase inhibitor is produced independently of H⁺‐ATPase activation and behaves as an organic acid

Nicoletta Beffagna; Marzia Alessandra Riva Physiologia Plantarum 2011. doi:10.1111/j.1399-3054.2011.01455.x

Other claims from this paper (9)

“increase of H2O2 content”

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