Search claims · PlantClaims

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Suppressing ZmPgb1.1 compromised the events sustaining QC and root meristem functionality under low oxygen.

Treatment: suppressing ZmPgb1.1e0
Gene: ZmPgb1.1e0
Outcome: functionality of the QC and root meristemse0
Direction: compromisede0

Not reportedTaxonComparator

Verbatim

e0
“These events, compromised in QCs suppressing ZmPgb1.1, ensure the functionality of the QC and root meristems under conditions of low oxygen”
✓ located verbatim in the source · abstract, characters 930–1069

Title

Stem cell fate in hypoxic root apical meristems is influenced by phytoglobin expression

Mohammed M Mira; Eman A El-Khateeb; Reda M Gaafar; et al. Journal of Experimental Botany 2019. doi:10.1093/jxb/erz410

Other claims from this paper (5)

Mechanismauthor interpretationoriginal resultnegativemeasured

Claim · model-written summary

The authors relate pear degeneration to soil structure loss and reduced root function.

Taxon: PearPyrus communist0
Outcome: reduction of root functionalitye0
Qualifier: loss of the soil structuree0

Verbatim

e0
“likely related to a loss of the soil structure and a consequent reduction of root functionality”
✓ located verbatim in the source · abstract, characters 725–820

t0
“Pear”
✓ located verbatim in the source · title, characters 0–4

Title

Pear degeneration in Emilia Romagna Region

M. Guizzardi; G. Pallotti; P.P. Bortolotti; et al. Acta Horticulturae 2024. doi:10.17660/actahortic.2024.1403.37

Other claims from this paper (6)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

In maize, cell death of root tips increased under nickel exposure.

Taxon: maizeZea mayst0
Treatment: Different concentrations of nickele0
Outcome: cell death of root tipse0
Direction: increasede0

Not reportedComparator

Verbatim

e0
“Different concentrations of nickel increased the K+ efflux and sugar leakage from roots to the culture and the cell death of root tips.”
✓ located verbatim in the source · abstract, characters 1073–1208

t0
“Effects of Ni2+ toxicity on Hill reaction and membrane functionality in maize”
✓ located verbatim in the source · title, characters 0–77

Title

Effects of Ni2+ toxicity on Hill reaction and membrane functionality in maize

Fatemeh Ghasemi; Reza Heidari; Rashid Jameii; et al. DOAJ (DOAJ: Directory of Open Access Journals) 2012

Other claims from this paper (5)

Intervention effect In maize, content of chlorophyll a increased under nickel exposure.
Intervention effect In maize, content of chlorophyll a decreased under nickel exposure.
Intervention effect In maize, chlorophyll b and carotinoids content no significant changes under nickel exposure.
Intervention effect In maize, rate of Hill reaction decreased under nickel exposure.
Intervention effect In maize, K+ efflux and sugar leakage increased under nickel exposure.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

AtPgb1 suppression compromised quiescent cell function.

Taxon: ArabidopsisArabidopsist0
Treatment: suppression of AtPgb1e0
Gene: AtPgb1e0
Outcome: functionality of the WOX5-expressing quiescent cells (QCs)e0
Direction: compromisede0

Not reportedComparator

Verbatim

e0
“suppression of AtPgb1 compromised the functionality of the WOX5-expressing quiescent cells (QCs)”
✓ located verbatim in the source · abstract, characters 1214–1310

t0
“Arabidopsis”
✓ located verbatim in the source · title, characters 14–25

Title

Expression of Arabidopsis class 1 phytoglobin (AtPgb1) delays death and degradation of the root apical meristem during severe PEG-induced water deficit

Mohamed M Mira; Shuanglong Huang; Karuna Kapoor; et al. Journal of Experimental Botany 2017. doi:10.1093/jxb/erx371

Other claims from this paper (12)

Intervention effect AtPgb1 overexpression alleviated PEG-induced growth retardation.
Intervention effect AtPgb1 overexpression reduced programmed cell death under PEG stress.
Observation AtPgb1 down-regulated roots had extensive programmed cell death under PEG stress.
Observation AtPgb1 down-regulated roots had reduced expression of ER-stress attenuators including BI-1.
Mechanism ROS and ethylene mediated cell death in stressed roots with AtPgb1 suppression.
Intervention effect Suppressing ROS synthesis or ethylene perception reduced cell death.
Intervention effect Suppressing ROS synthesis or ethylene perception partly restored root growth.
Observation PEG-induced root growth cessation followed loss of cell and tissue specification in the meristem.
Observation AtPgb1 overexpression attenuated, and suppression aggravated, root meristem changes.
Intervention effect AtPgb1 suppression led to premature columella stem cell differentiation.
Intervention effect AtPgb1 suppression rapidly reduced meristem size.
Observation SCR and WER expression and localization were most affected in PEG-treated roots with suppressed AtPgb1.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

S591 mutation reduced RPT2 function for leaf positioning and phototropism.

Taxon: Arabidopsis thalianaArabidopsis thalianae1
Treatment: Mutation of S591e0
Gene: RPT2e0
Outcome: functionality for leaf positioning and phototropisme0
Direction: reducede0

Not reportedComparator

Verbatim

e0
“Mutation of S591 had no effect on the plasma membrane localization of RPT2 but reduced its functionality for leaf positioning and phototropism”
✓ located verbatim in the source · abstract, characters 1033–1175

e1
“Arabidopsis thaliana”
✓ located verbatim in the source · abstract, characters 551–571

Title

Phototropin phosphorylation of ROOT PHOTOTROPISM 2 and its role in mediating phototropism, leaf positioning, and chloroplast accumulation movement in Arabidopsis

Thomas Waksman; Noriyuki Suetsugu; Pawel Hermanowicz; et al. The Plant Journal 2023. doi:10.1111/tpj.16144

Other claims from this paper (4)

Observation Both phot1 and phot2 phosphorylated RPT2 at S591.
Intervention effect Blue light triggered association of 14-3-3 proteins with RPT2.
Intervention effect S591 mutation did not affect RPT2 plasma membrane localization.
Mechanism S591 phosphorylation was required for chloroplast accumulation movement in low blue light.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

In maize, K+ efflux and sugar leakage increased under nickel exposure.

Taxon: maizeZea mayst0
Treatment: Different concentrations of nickele0
Outcome: K+ efflux and sugar leakagee0
Direction: increasede0

Not reportedComparator

Verbatim

e0
“Different concentrations of nickel increased the K+ efflux and sugar leakage from roots to the culture and the cell death of root tips.”
✓ located verbatim in the source · abstract, characters 1073–1208

t0
“Effects of Ni2+ toxicity on Hill reaction and membrane functionality in maize”
✓ located verbatim in the source · title, characters 0–77

Title

Effects of Ni2+ toxicity on Hill reaction and membrane functionality in maize

Fatemeh Ghasemi; Reza Heidari; Rashid Jameii; et al. DOAJ (DOAJ: Directory of Open Access Journals) 2012

Other claims from this paper (5)

Intervention effect In maize, content of chlorophyll a increased under nickel exposure.
Intervention effect In maize, content of chlorophyll a decreased under nickel exposure.
Intervention effect In maize, chlorophyll b and carotinoids content no significant changes under nickel exposure.
Intervention effect In maize, rate of Hill reaction decreased under nickel exposure.
Intervention effect In maize, cell death of root tips increased under nickel exposure.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Hypoxia degraded QC stem cells and inhibited root growth.

Taxon: maizeZea mayse1
Treatment: hypoxic stresse0
Outcome: degradation with subsequent inhibition of root growthe0
Direction: inhibitione0

Not reportedComparator

Verbatim

e0
“QC stem cells are vulnerable to hypoxic stress, which causes their degradation with subsequent inhibition of root growth”
✓ located verbatim in the source · abstract, characters 222–342

e1
“Root growth in maize (Zea mays L.)”
✓ located verbatim in the source · abstract, characters 0–34

Title

Plant stem cells under low oxygen: metabolic rewiring by phytoglobin underlies stem cell functionality

Mohammed M Mira; Robert D Hill; Alexander Hilo; et al. PLANT PHYSIOLOGY 2023. doi:10.1093/plphys/kiad344

Other claims from this paper (8)

Intervention effect Low oxygen depleted starch and soluble sugars in QC stem cells.
Intervention effect Low oxygen increased QC reliance on glycolytic fermentation and impaired the TCA cycle.
Intervention effect Hypoxia did not activate PDC and ADH genes in the QC.
Intervention effect ADH activity increased under hypoxia.
Intervention effect PEP increased with little change in succinate under low oxygen.
Intervention effect Succinate levels changed little under low oxygen.
Intervention effect ZmPgb1.1 overexpression preserved QC stem cell function during stress.
Mechanism ZmPgb1.1-associated QC preservation involved TCA activation and retained carbohydrate storage.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Cadmium significantly reduced root dry weight in Rangpur lime.

Taxon: Rangpur limeCitrus limoniat0
Treatment: Cadmiume1
Outcome: roots DWe1
Direction: reductione1

Not reportedComparator

Verbatim

t0
“Rangpur Lime”
✓ located verbatim in the source · title, characters 110–122

e1
“Cadmium produced significant reduction in roots DW and increment in WC”
✓ located verbatim in the source · abstract, characters 249–319

Title

Cadmium Induces Changes in Sucrose Partitioning, Invertase Activities, and Membrane Functionality in Roots of Rangpur Lime (Citrus limonia L. Osbeck)

G. Podazza; M. Rosa; J. A. González; et al. Plant Biology 2006. doi:10.1055/s-2006-924171

Other claims from this paper (12)

Observation Cadmium accumulation was significant in Rangpur lime roots but not in shoots and leaves.
Intervention effect Cadmium significantly increased WC in Rangpur lime roots.
Intervention effect Cadmium did not cause significant differences in leaves and shoots for either parameter.
Intervention effect Sucrose content was higher in control roots than in Cd-exposed roots.
Intervention effect Apoplastic sucrose content was much higher in Cd-exposed roots than in control roots.
Intervention effect Cd-exposed roots showed a significant decrease in cell wall-bound and cytoplasmic (neutral) invertase activities.
Intervention effect The vacuolar invertase isoform did not change in Cd-exposed roots.
Intervention effect Alterations in lipid composition and membrane fluidity were observed in Cd-exposed roots.
Intervention effect Phospholipid and glycolipid contents decreased by about 50% in Cd-exposed roots.
Intervention effect Sterols content was reduced by about 22% in Cd-exposed roots.
Intervention effect Proton extrusion was inhibited by Cd in Rangpur lime roots.
Observation Lipid peroxidation and proton extrusion inhibition were detected by histochemical analysis.

Intervention effectobservedoriginal resultnegativesignificant (as stated)measured

Claim · model-written summary

Paraquat statistically reduced soybean shoot and root dry weight.

Taxon: soybeanGlycine maxe0
Treatment: paraquat additione0
Interactor: Bradyrhizobium diazoefficiensBradyrhizobium diazoefficienst0symbionte0
Outcome: shoot and root dry weighte0
Direction: reducede0

Not reportedComparator

Verbatim

e0
“In symbiosis with soybean, the paraquat addition statistically reduced the shoot and root dry weight of soybean plants, and number and development of the nodules.”
✓ located verbatim in the source · abstract, characters 648–810

t0
“Bradyrhizobium diazoefficiens”
✓ located verbatim in the source · title, characters 75–104

Title

Oxidative Stress Produced by Paraquat Reduces Nitrogen Fixation in Soybean-Bradyrhizobium diazoefficiens Symbiosis by Decreasing Nodule Functionality

Germán Tortosa; Sergio Parejo; Juan J. Cabrera; et al. Nitrogen 2021. doi:10.3390/nitrogen2010003

Other claims from this paper (8)

Observation The free living Bradyrhizobium tolerated paraquat up to a 50 µM threshold.
Intervention effect Paraquat reduced nodule number and development.
Intervention effect Paraquat negatively affected symbiotic nitrogen fixation.
Intervention effect At 100 µM paraquat, total nitrogen content fell close to 50%.
Intervention effect At 100 µM paraquat, fixed nitrogen fell close to 50%.
Mechanism The authors attribute these effects to impaired nodule functionality and oxidative status.
Intervention effect Paraquat treated nodules had lower leghaemoglobin content.
Intervention effect Paraquat treated nodules had higher lipid peroxidation.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

NaCl reduced root cell hydraulic conductivity and ATPase activity.

Taxon: peppere1
Treatment: NaCle0
Gene: H+-ATPasee0
Outcome: cell hydraulic conductivity, Lpc, and H+-ATPase activitye0
Direction: large reductionse0

Not reportedComparator

Verbatim

e0
“Similar results were obtained for cell hydraulic conductivity, Lpc, and H+-ATPase activity, large reductions in the presence at NaCl or KCl”
✓ located verbatim in the source · abstract, characters 617–756

e1
“pepper (Capsicum annuum L.) plants”
✓ located verbatim in the source · abstract, characters 213–247

Title

Aquaporin functionality in relation to H⁺‐ATPase activity in root cells of Capsicum annuum grown under salinity

M. Carmen Martínez‐Ballesta; Vicente Martínez; Micaela Carvajal Physiologia Plantarum 2003. doi:10.1034/j.1399-3054.2003.00044.x

Other claims from this paper (6)

Intervention effect KCl reduced root cell hydraulic conductivity and ATPase activity.
Intervention effect Calcium ameliorated salt effects on hydraulic conductivity and ATPase activity.
Intervention effect Fusicoccin did not alter protoplast osmotic water permeability.
Intervention effect Mercury inhibited both ATPase and aquaporins.
Observation ATPase also contains mercury binding sites.
Association The authors infer ATPase and aquaporin activities may not be related in pepper.

“root functionality”

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