Search claims · PlantClaims

Observationobservedoriginal resultmeasured

Claim · model-written summary

Some trunk-disease fungi isolated from symptomatic grapevines exhibited lignin peroxidase, manganese peroxidase and laccase activities.

Taxon: grapevinesVitise3
Interactor: fungiFungie3pathogen
Gene: lignin peroxidase, manganese peroxidase (MnP) and/or laccasee3
Outcome: extracellular ligninolytic activitiese3

Verbatim

e3
“extracellular ligninolytic activities [lignin peroxidase, manganese peroxidase (MnP) and/or laccase] exhibited by some GTD ‐fungi isolated here from symptomatic grapevines”
✓ located verbatim in the source · abstract, characters 542–713

Title

Grapevine xylem response to fungi involved in trunk diseases

P. Gómez; A.G. Báidez; A. Ortuño; et al. Annals of Applied Biology 2016. doi:10.1111/aab.12285

Other claims from this paper (5)

Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

IAA oxidation appears mediated by peroxidase and manganese in light but by peroxidase alone in darkness.

Taxon: CucumberCucumis sativust0
Gene: peroxidasee0
Compound: manganesee0
Outcome: IAA oxidatione0
Setting: lighte0

Verbatim

e0
“Thus in the light, IAA oxidation seems to be brought about by peroxidase as well as manganese, whereas in darkness it is mediated by peroxidase alone.”
✓ located verbatim in the source · abstract, characters 1030–1180

t0
“Cucumber”
✓ located verbatim in the source · title, characters 83–91

Title

Changes in Paramagnetic Manganese (Mn²⁺) and Related Enzyme Activities in Isolated Cucumber Cotyledons During Growth

SUDHAKAR BHARTI; Y. D. SINGH; M. M. LALORAYA Journal of Experimental Botany 1979. doi:10.1093/jxb/30.3.575

Other claims from this paper (8)

Method / resourceobservedoriginal resultpositivemeasured

Claim · model-written summary

The four-strain Bacillus consortium showed manganese peroxidase of 7709.33 U/L.

Outcome: manganese peroxidasee1
Value: 7709.33 U/Le1

Not reportedComparator

Verbatim

e1
“manganese peroxidase (7709.33 U/L)”
✓ located verbatim in the source · abstract, characters 558–592

Title

Construction and Functional Validation of a Cross-Niche Multifunctional Microbial Consortium for Straw-Returning Agricultural Systems

Shu Jia; Hang Qu; Bo Li; et al. Microorganisms 2026. doi:10.3390/microorganisms14010135

Other claims from this paper (9)

Method / resource The four-strain Bacillus consortium showed laccase of 450.65 U/L.
Method / resource The four-strain Bacillus consortium showed endo-β-1,4-glucanase of 154.67 U/mL.
Method / resource The four-strain Bacillus consortium showed filter paper activity of 309.18 U/L.
Intervention effect The consortium significantly enhanced rice straw degradation by 37.18% relative to the control.
Intervention effect The consortium increased nitrogen release from rice straw by 16.13% relative to the control.
Intervention effect The consortium inhibited Magnaporthe oryzae with a 67.56% inhibition rate.
Intervention effect The consortium reduced the incidence rate and disease index of leaf blast and panicle blast.
Intervention effect In field trials the consortium applied alone increased rice grain yield by 9.63% and 6.94%.
Intervention effect In field trials the consortium co-applied with straw residues increased rice grain yield by 6.75% and 5.18%.

Observationobservedoriginal resultpositivemeasured

Claim · model-written summary

Calcium, ferric, magnesium and manganese ions increased purified rosemary peroxidase activity.

Taxon: RosemarySalvia rosmarinuse0
Gene: peroxidasee1
Compound: calcium, ferric, magnesium, and manganese ionse1
Outcome: peroxidase activitye1
Direction: increasede1

Verbatim

e0
“Rosemary (Salvia Rosmarinus) peroxidase”
✓ located verbatim in the source · abstract, characters 0–39

e1
“The purified peroxidase activity was increased with calcium, ferric, magnesium, and manganese ions”
✓ located verbatim in the source · abstract, characters 488–586

Title

Analysis, purification, and characterization of peroxidases in rosemary using chromatography and spectrometry techniques

Noor Hatem Jumaa; Sara Thualfuqar Jamil; Hajir Hilal; et al. Analytical Methods in Environmental Chemistry Journal 2025. doi:10.24200/amecj.v8.i04.1090

Other claims from this paper (10)

Observation Purification recovered 35% of rosemary peroxidase.
Observation The estimated molecular mass of rosemary peroxidase was 47 kDa.
Observation Rosemary peroxidase had an isoelectric focusing point of 4.33.
Observation The optimal pH for rosemary peroxidase was 6.0.
Observation The optimal temperature for rosemary peroxidase was 40ºC.
Observation The Michaelis constant toward guaiacol was 3.7 mg mL-1.
Observation Specific activity toward guaiacol was 28.10 U min-1 mL-1.
Observation Copper, mercury and zinc ions decreased purified rosemary peroxidase activity.
Method / resource The method had a mean detection limit of 0.051 µg mL-1.
Method / resource The method had a mean quantification limit of 0.153 µg mL-1.

Intervention effectobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Manganese significantly reduced catalase and peroxidase activity in leaves.

Taxon: tomatoSolanum lycopersicumt0
Organ / stage: leavese0
Treatment: Manganesee0
Outcome: catalase and peroxidase activitye0
Direction: reducede0

Not reportedComparator

Verbatim

e0
“Manganese significantly reduced catalase and peroxidase activity in the leaves”
✓ located verbatim in the source · abstract, characters 1316–1394

t0
“tomato”
✓ located verbatim in the source · title, characters 110–116

Title

Some effects of micronutrient elements upon certain enzymes, vitamin C content, and general metabolism of the tomato

Magel, Harold Alexander cIRcle (University of British Columbia) 2012. doi:10.14288/1.0106356

Other claims from this paper (19)

Intervention effect Boron reduced susceptibility to tomato leafmold.
Intervention effect Boron stimulated fibrous root growth.
Intervention effect Boron significantly decreased leaf oxidase.
Intervention effect Boron increased leaf catalase and peroxidase.
Intervention effect Boron significantly increased tomato plant weight.
Intervention effect Boron tended to increase yield.
Intervention effect Boron tended to depress fruit sugar content.
Intervention effect Copper tended to increase tomato plant weight.
Intervention effect Copper tended to decrease ash in ripe fruit and catalase in leaves.
Intervention effect Copper significantly decreased peroxidase.
Intervention effect Manganese tended to increase vitamin C in ripe fruit and catalase in green fruit.
Intervention effect Manganese tended to depress sugar and ash.
Intervention effect Manganese tended to depress yield and plant weight.
Intervention effect Molybdenum significantly increased leaf peroxidase.
Intervention effect Molybdenum significantly decreased leaf catalase.
Intervention effect Molybdenum somewhat depressed fruit yield.
Intervention effect Zinc appeared to increase catalase in green fruit and oxidase in leaves.
Intervention effect Zinc significantly increased plant weight.
Intervention effect Zinc significantly decreased leaf catalase.

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

Silicon prevented the manganese-associated increase in peroxidase activity.

Taxon: barleyHordeum vulgaret0
Treatment: Si supplye0
Outcome: peroxidase activitye0
Direction: prventede0

Not reportedComparator

Verbatim

e0
“Si supply prvented the increase in peroxidase activity.”
✓ located verbatim in the source · abstract, characters 905–960

t0
“Effect of silicon on alleviation of manganese toxicity of barley”
✓ located verbatim in the source · title, characters 60–124

Title

Mechanism of manganese toxicity and tolerance of plants VI. Effect of silicon on alleviation of manganese toxicity of barley

T. Horiguchi; S. Morita Journal of Plant Nutrition 1987. doi:10.1080/01904168709363778

Other claims from this paper (6)

Intervention effect Silicon supply alleviated manganese-associated necrotic browning in leaves.
Intervention effect Silicon supply did not affect chlorosis caused by manganese toxicity.
Intervention effect Silicon treatment did not appreciably alter manganese uptake.
Observation Manganese accumulated at high concentration around necrotic leaf spots.
Intervention effect Silicon prevented uneven tissue manganese distribution.
Intervention effect Increasing manganese supply increased tissue peroxidase activity.

Intervention effectobservedoriginal resultmeasured

Claim · model-written summary

At pH 4.5, root peroxidase activity increased with manganese concentration, most at 400 mM manganese.

Taxon: Brassica oleracea L.Brassica oleraceae1
Treatment: 400 mM manganese concentratione0
Gene: peroxidasee0
Outcome: root peroxidase activitye0
Direction: higheste0
Qualifier: pH 4.5e0

Not reportedComparator

Verbatim

e0
“root peroxidase activity at pH 4.5 increased with an increase in manganese concentration and this increase was highest at pH 4.5 and 400 mM manganese concentration”
✓ located verbatim in the source · abstract, characters 698–861

e1
“of Brassica oleracea L. after 30 days”
✓ located verbatim in the source · abstract, characters 187–224

Title

Interaction of Ph and Mn on Physiological Parameters ofBrassica OleraceaL.

Mahlagha Ghorbanli; Mozhgan Farzami Sepehr; Nafiseh Shekarkar Journal of Plant Nutrition 2015. doi:10.1080/01904167.2015.1009094

Other claims from this paper (3)

Intervention effect Increasing manganese raised soluble carbohydrate, protein and ascorbate contents in Brassica shoots and roots.
Intervention effect Higher manganese concentrations reduced soluble carbohydrate, protein and ascorbate contents in Brassica.
Intervention effect Root and shoot catalase activity increased markedly with manganese concentration.

Intervention effectobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Low manganese significantly increased tomato leaf sugar concentration and peroxidase and catalase activity.

Taxon: tomatoSolanum lycopersicume1
Organ / stage: leavese1
Treatment: low manganese levelse0
Outcome: concentration of sugars, activity of peroxidase, catalasee1
Direction: increasede1

Not reportedComparator

Verbatim

e0
“At low manganese levels”
✓ located verbatim in the source · abstract, characters 315–338

e1
“the concentration of sugars, activity of peroxidase, catalase and ribonuclease were increased significantly in tomato leaves”
✓ located verbatim in the source · abstract, characters 445–569

Title

Effect of manganese deficiency on fruit quality in tomato

B. K. Dube; C. Chatterjee Indian Journal of Horticulture 1999

Other claims from this paper (8)

Intervention effect Manganese deficiency at 0.0011 mg Mn/litre reduced tomato fruit yield more than biomass.
Intervention effect Low manganese decreased tomato leaf Mn, chlorophyll and starch concentrations.
Intervention effect Low manganese decreased hill activity and acid phosphatase in tomato leaves.
Intervention effect Low manganese significantly increased tomato leaf ribonuclease activity.
Observation Visible manganese deficiency effects were pronounced on tomato middle leaves under acute deficiency at 0.0011 mg Mn/litre.
Intervention effect Manganese deficiency significantly decreased ascorbic acid, soluble proteins and starch concentrations in tomato fruits.
Intervention effect Manganese deficiency significantly decreased tomato fruit sugar concentration.
Observation High phenols accompanied poor tomato fruit quality under manganese deficiency.

Observationobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

The VP22, VP24 and VP27 transgenic tobacco lines showed significant manganese peroxidase (MnP) activity.

Taxon: TobaccoNicotiana tabacumt0
Material: VP22, VP24, and VP27 linese1
Outcome: manganese peroxidase (MnP) activitye1

Verbatim

t0
“Transgenic Tobacco Plants”
✓ located verbatim in the source · title, characters 94–119

e1
“The VP22, VP24, and VP27 lines showed significant manganese peroxidase (MnP) activity”
✓ located verbatim in the source · abstract, characters 634–719

Title

A Versatile Peroxidase from the Fungus Bjerkandera adusta Confers Abiotic Stress Tolerance in Transgenic Tobacco Plants

Nancy Sofia Hernández-Bueno; Ramón Suárez-Rodríguez; Edgar Balcázar-López; et al. Plants 2021. doi:10.3390/plants10050859

Other claims from this paper (7)

Observationobservedoriginal resultmeasured

Claim · model-written summary

Citrus leaf extract had manganese peroxidase activity of 2.2 IU/ml.

Taxon: citrus sinensisCitrus sinensise0
Organ / stage: leafe0
Outcome: manganese peroxidase activitye0
Value: 2.2 IU/mle0

Verbatim

e0
“citrus sinensis leaf extract which contains manganese peroxidase activity of 2.2 IU/ml”
✓ located verbatim in the source · abstract, characters 167–253

Title

Purification and Characterization of Versatile Peroxidase from citrus sinensis Leaf Extract and its Application in Green Chemistry

Nivedita Rai; Meera Yadav; Hardeo Singh Yadav Analytical Chemistry Letters 2020. doi:10.1080/22297928.2020.1833751

Other claims from this paper (14)

Observation Citrus leaf extract had lignin peroxidase activity of 0.44 IU/ml.
Observation Peroxidase recovery yield was 11 %.
Observation Peroxidase specific activity was 1.0 IU/mg.
Observation Peroxidase molecular weight was 24.60KDa.
Observation With veratryl alcohol substrate, Km was 20 μM.
Observation With veratryl alcohol substrate, Kcat was 7.87sec.
Observation With manganese sulphate substrate, Km was 12.5 μM.
Observation With manganese sulphate substrate, Kcat was 13.84sec-1.
Observation Lignin peroxidase activity had pH optimum 2.4 ± 0.1.
Observation Manganese peroxidase activity had pH optimum 4.5 ± 0.1.
Observation LiP temperature optimum was 18°C.
Observation MnP temperature optimum was 25°C.
Intervention effect Sodium azide effectively inhibited enzyme activity.
Intervention effect EDTA effectively inhibited enzyme activity.

“manganese peroxidase”

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