Search claims · PlantClaims

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 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 resultsignificant (as stated)measured

Claim · model-written summary

Manganese peroxidase and lignin peroxidase of the enzymatic complex had their greatest activity at pH 4.

Taxon: Pleurotus ostreatusPleurotus ostreatuse0
Gene: manganese peroxidase and LiPe1
Outcome: greatest activitye1
Qualifier: pH 4e1

Verbatim

e0
“enzymatic complex produced by Pleurotus ostreatus”
✓ located verbatim in the source · abstract, characters 71–120

e1
“manganese peroxidase and LiP had the greatest activity at pH 4 (P < 0.01; P < 0.01)”
✓ located verbatim in the source · abstract, characters 1369–1452

Title

Effects of lignocellulolytic enzymes on the fermentation profile, chemical composition, and in situ ruminal disappearance of whole-plant corn silage

Bruna C Agustinho; João L P Daniel; Lucia M Zeoula; et al. Journal of Animal Science 2021. doi:10.1093/jas/skab295

Other claims from this paper (10)

Observation Laccase of the P. ostreatus enzymatic complex had its greatest activity at pH 5.
Intervention effect Enzymatic complex application rate had no effect on the fermentation profile of whole-plant corn silage at the onset of fermentation.
Intervention effect Enzymatic complex application rate had no effect on the chemical composition of whole-plant corn silage at the onset of fermentation.
Association Water-soluble carbohydrate concentration decreased quadratically over ensiling time at the onset of fermentation.
Observation Lactic acid increased quadratically over ensiling time.
Observation Acetic acid increased linearly throughout fermentation.
Observation Silage pH decreased quadratically over ensiling time.
Intervention effect Lignin concentration decreased linearly with increasing enzymatic complex application rate at 30 d of storage.
Intervention effect Other nutrients and fermentation profiles did not change with enzymatic complex application rates at 30 d.
Intervention effect Adding the enzymatic complex at ensiling was not sufficient to improve in situ disappearance of fiber and dry matter.

Intervention effectobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Whole-needle soluble peroxidase activities were significantly higher under manganese deficiency.

Taxon: Norway sprucePicea abiest0
Treatment: Mn-deficiente0
Outcome: Soluble peroxidase activities from whole-needle extractse0
Direction: highere0
Qualifier: with all substrates testede0
Comparator: Mn-sufficiente0

Verbatim

e0
“Soluble peroxidase activities from whole-needle extracts were significantly higher in Mn-deficient than in Mn-sufficient needles with all substrates tested.”
✓ located verbatim in the source · abstract, characters 756–912

t0
“Norway spruce”
✓ located verbatim in the source · title, characters 109–122

Title

Effects of manganese deficiency on soluble apoplastic peroxidase activities and lignin content in needles of Norway spruce (Picea abies)

A. Polle; K. Chakrabarti Tree Physiology 1994. doi:10.1093/treephys/14.10.1191

Other claims from this paper (7)

Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Greater manganese supply significantly decreased water-soluble guaiacol peroxidase activity in leaf apoplastic fluid.

Taxon: Phytolacca americanaPhytolacca americanat0
Treatment: Mn supplye0
Gene: water-soluble guaiacol peroxidase (SPOD)e0
Outcome: water-soluble guaiacol peroxidase (SPOD) activitye0
Direction: decreasee0

Verbatim

t0
“Phytolacca americana”
✓ located verbatim in the source · title, characters 108–128

e0
“an increase in the Mn supply was paralleled by a significant decrease in the concentration of total phenolic compounds (TPCs) and in water-soluble guaiacol peroxidase (SPOD) activity in leaf AWF”
✓ located verbatim in the source · abstract, characters 599–793

Title

Roles of apoplastic peroxidases, laccases, and lignification in the manganese tolerance of hyperaccumulator Phytolacca americana

Lu GaoKejian PengYahua Chen; Guiping WangZhenguo Shen 2012

Other claims from this paper (7)

Associationobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Rhizosphere communities correlated positively with elevated pH, organic matter, nitrogen, phosphorus, manganese, peroxidase and protease.

Taxon: tobaccoNicotiana tabacumt0
Compound: manganesee0
Outcome: variations in rhizosphere microbial communitiese0
Direction: positively correlatede0

Verbatim

e0
“variations in rhizosphere microbial communities were significantly and positively correlated with elevated soil pH, organic matter, total nitrogen, available nitrogen, total phosphorus, manganese content, and the activities of peroxidase and protease”
✓ located verbatim in the source · abstract, characters 2017–2267

t0
“tobacco”
✓ located verbatim in the source · title, characters 124–131

Title

Cross-infection by multiple soil-borne pathogens alters the physicochemical properties and microbial community structure of tobacco rhizosphere soil

Yanan Ruan; Chi Wang; Xiaodong Shao; et al. BMC Microbiology 2026. doi:10.1186/s12866-026-05173-7

Other claims from this paper (11)

Observation Diseased tobacco rhizospheres had elevated soil factors and enzyme activities.
Observation Bacterial diversity and richness changed under pathogen infection.
Observation Proteobacteria relative abundance decreased 18.20%.
Observation Chloroflexi and Gemmatimonadetes each increased more than twofold.
Observation Chytridiomycota decreased 72.68%.
Observation Sphingomonas decreased 36.13%.
Observation Penicillium decreased 90.59%.
Observation Fusarium increased threefold.
Observation Phoma increased fivefold.
Observation Plectosphaerella increased threefold.
Association Rhizosphere communities correlated negatively with lower potassium and boron.

Intervention effectobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Low manganese significantly increased tomato leaf ribonuclease activity.

Taxon: tomatoSolanum lycopersicume1
Organ / stage: leavese1
Treatment: low manganese levelse0
Outcome: ribonucleasee1
Direction: increasede1

Not reportedComparator

Verbatim

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

e1
“activity of peroxidase, catalase and ribonuclease were increased significantly in tomato leaves”
✓ located verbatim in the source · abstract, characters 474–569

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 sugar concentration and peroxidase and catalase 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.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Manganese deficiency significantly lowered SOD, CAT and GuaPOX activity across leaf positions.

Taxon: Mentha PiperitaMentha ×piperitat0
Organ / stage: leaf positionse0
Treatment: manganese deficiencye0
Outcome: activity of superoxide dismutase (SOD), catalase (CAT) and guaiacol peroxidase (GuaPOX)e0
Direction: lowere0
Comparator: controle0

Verbatim

e0
“Under manganese deficiency the activity of superoxide dismutase (SOD), catalase (CAT) and guaiacol peroxidase (GuaPOX) and the content of ascorbate, chlorophyll, and carotenoid under Mn 2+ deficiency were significantly lower than in the control for all leaf positions.”
✓ located verbatim in the source · abstract, characters 200–468

t0
“Mentha Piperita”
✓ located verbatim in the source · title, characters 118–133

Title

Influence of Manganese Deficiency on Metal Ion Uptake, Antioxidant Defense Mechanism and Lipid Peroxidation Levels in Mentha Piperita Leaves

Nilgün Candan; Leman Tarhan Acta Biologica Cracoviensia s Botanica 2011. doi:10.2478/v10182-011-0003-6

Other claims from this paper (8)

Intervention effect Manganese deficiency significantly lowered ascorbate, chlorophyll and carotenoid content across leaf positions.
Association SOD activity was positively correlated with Mn 2+ uptake.
Intervention effect Manganese deficiency inhibited Fe 2+ uptake.
Observation Early manganese deficiency showed relatively greater leaf antioxidant activity.
Observation Early manganese deficiency showed lower leaf LPO.
Observation At the final treatment stage, SOD, CAT and GuaPOX activity was comparatively lower.
Observation At the final treatment stage, LPO levels were higher.
Mechanism Lower antioxidant enzyme activity and higher LPO accelerated senescence toward the end of treatment.

Intervention effectobservedoriginal resultpositivesignificant (as stated)measured

Claim · model-written summary

Nanopriming significantly increased root peroxidase.

Taxon: soybeanGlycine maxe0
Treatment: nanopriminge0
Outcome: peroxidase activitye0
Direction: increasede0
Comparator: the controle0

Verbatim

e0
“after nanopriming, peroxidase activity increased significantly in soybean roots compared to the control”
✓ located verbatim in the source · abstract, characters 2315–2418

Title

Nanopriming of Soybean Seeds Using a Manganese-Containing Nanocomposite in a Matrix of Sulfated Arabinogalactan

A. I. Perfileva; N. S. Zabanova The Bulletin of Irkutsk State University Series Biology Ecology 2024. doi:10.26516/2073-3372.2023.47.3

Other claims from this paper (13)

Intervention effect Infection cut germination, with half the seeds failing to germinate.
Intervention effect Infection reduced seedling biometric traits.
Intervention effect Infection increased root reactive oxygen species.
Intervention effect Infection significantly increased root peroxidase activity.
Intervention effect Infection significantly increased diene conjugates.
Intervention effect Nanocomposite treatment removed the pathogen negative effect.
Intervention effect Nanopriming increased sprout biomass.
Intervention effect Nanopriming increased root length and weight in uninfected seeds.
Intervention effect Nanopriming significantly increased hypocotyl length and weight in infected seeds.
Intervention effect Nanopriming significantly increased root length in infected seeds.
Intervention effect The precursor did not affect germination or sprouting.
Intervention effect Nanopriming infected seeds reduced seedling ROS.
Intervention effect Nanopriming infected seeds reduced root diene conjugates to control level.

“manganese peroxidase”

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