Search claims · PlantClaims

Observationobservedoriginal resultmeasured

Claim · model-written summary

Lineage-specific alleles that decrease trichome density persist in natural populations.

Taxon: Arabidopsis thalianaArabidopsis thalianat0
Material: lineage-specific allelese0
Outcome: trichome densitye0
Direction: decreasee0

Verbatim

e0
“many lineage-specific alleles that either increase or decrease trichome density persist in natural populations”
✓ located verbatim in the source · abstract, characters 1046–1156

t0
“Arabidopsis thaliana”
✓ located verbatim in the source · title, characters 59–79

Title

Mapping Quantitative Trait Loci in Multiple Populations of Arabidopsis thaliana Identifies Natural Allelic Variation for Trichome Density

V Vaughan Symonds; A Veronica Godoy; Teresa Alconada; et al. Genetics 2005. doi:10.1534/genetics.104.031948

Other claims from this paper (5)

Observation Seven of nine trichome-density QTL were population-specific.
Observation Two trichome-density QTL mapped in all four populations.
Observation Lineage-specific alleles that increase trichome density persist in natural populations.
Observation Most genetic variation in trichome density was additive.
Recommendation The authors conclude multiple populations help characterize the genetic architecture of natural variation.

Mechanismhypothesisoriginal resultbasis n/a

Claim · model-written summary

The MtCAS31 and AtICE1 interaction is hypothesized to cause the decrease in stomatal density that enhances drought resistance in transgenic Arabidopsis.

Taxon: ArabidopsisArabidopsise6
Gene: AtICE1e6
Outcome: decrease in stomatal densitye6
Qualifier: the interaction of MtCAS31 and AtICE1e6

Verbatim

e6
“We hypothesize that the interaction of MtCAS31 and AtICE1 caused the decrease in stomatal density to enhance the drought resistance of transgenic Arabidopsis”
✓ located verbatim in the source · abstract, characters 1421–1578

Title

Overexpression of MtCAS31 enhances drought tolerance in transgenic Arabidopsis by reducing stomatal density

Can Xie; Rongxue Zhang; Yueting Qu; et al. New Phytologist 2012. doi:10.1111/j.1469-8137.2012.04136.x

Other claims from this paper (4)

Intervention effect After a 3-h drought treatment, MtCAS31 expression in Medicago truncatula increased 600-fold.
Intervention effect MtCAS31 overexpression reduced stomatal density in transgenic Arabidopsis.
Intervention effect MtCAS31 overexpression markedly enhanced drought tolerance in transgenic Arabidopsis.
Observation MtCAS31 could interact with AtICE1 and the AtICE1 homologous protein Mt7g083900.1 both in vitro and in vivo.

Observationobservedreview summarybasis n/a

Claim · model-written summary

Chilling, planting density, rubbing, cutting and repeated subculture generally decrease plant DNA methylation.

Taxon: plantt0
Treatment: chilling, planting density, rubbing, cutting, and successive rounds of subculturee0
Outcome: levels of DNA methylatione0
Direction: decreasee0

Verbatim

e0
“Abiotic stresses such as chilling, planting density, rubbing, cutting, and successive rounds of subculture generally decrease the levels of DNA methylation”
✓ located verbatim in the source · abstract, characters 140–295

t0
“Plant genomic DNA methylation”
✓ located verbatim in the source · title, characters 0–29

Title

Plant genomic DNA methylation in response to stresses: Potential applications and challenges in plant breeding

Hai Peng; Jing Zhang Progress in Natural Science Materials International 2009. doi:10.1016/j.pnsc.2008.10.014

Other claims from this paper (5)

Observationobservedoriginal resultno effectmeasured

Claim · model-written summary

SEC3A puncta density did not decrease after these cells stopped growing.

Taxon: ArabidopsisArabidopsist0
Outcome: density of punctae0
Direction: does not decreasee0
Qualifier: after growth terminatione0

Verbatim

t0
“Arabidopsis”
✓ located verbatim in the source · title, characters 4–15

e0
“The density of puncta does not decrease after growth termination of these cells, but decreases strongly when exocytosis is inhibited by treatment with brefeldin A.”
✓ located verbatim in the source · abstract, characters 935–1098

Title

The Arabidopsis exocyst subunit SEC3A is essential for embryo development and accumulates in transient puncta at the plasma membrane

Ying Zhang; Richard Immink; Chun‐Ming Liu; et al. New Phytologist 2013. doi:10.1111/nph.12236

Other claims from this paper (7)

Method / resourceobservedoriginal resultpositivemeasured

Claim · model-written summary

Marker density as low as 500 did not decrease prediction accuracy.

Taxon: spring wheatTriticum aestivumt0
Outcome: prediction accuracye0
Direction: without decreasinge0
Value: 500e0

Verbatim

e0
“marker density could be as low as 500 without decreasing the prediction accuracy”
✓ located verbatim in the source · abstract, characters 1018–1098

t0
“spring wheat”
✓ located verbatim in the source · title, characters 75–87

Title

Leveraging historical trials to predict Fusarium head blight resistance in spring wheat breeding programs

Charlotte Brault; Emily J. Conley; Andrew J. Green; et al. The Plant Genome 2025. doi:10.1002/tpg2.20559

Other claims from this paper (4)

Method / resource Reproducing kernel Hilbert space was the best prediction method across settings with mean accuracy 0.63.
Method / resource Training set optimization was useful for two traits.
Method / resource Prediction of unrelated breeding populations significantly decreased accuracy, although some traits and populations retained encouraging values.
Method / resource Adding the URSN population increased prediction accuracy up to 0.19 as the number of breeding-program training lines fell.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

HIC knockdown markedly decreases trichome density.

Taxon: cottonGossypium hirsutumt0
Treatment: knockdown of HICe0
Gene: HICe0
Outcome: densitye0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“knockdown of HIC results in a marked decrease in density”
✓ located verbatim in the source · abstract, characters 740–796

t0
“cotton”
✓ located verbatim in the source · title, characters 25–31

Title

Natural variation at the cotton HIC locus increases trichome density and enhances resistance to aphids

Yanan Wang; Qi Zhou; Jilong Zhang; et al. The Plant Journal 2024. doi:10.1111/tpj.17050

Other claims from this paper (8)

Intervention effectobservedoriginal resultpositivemeasured

Claim · model-written summary

PtaEPF1 overexpression decreased stomatal density in Arabidopsis and poplar.

Taxon: Arabidopsis and poplarPopulus Arabidopsise0
Treatment: PtaEPF1 was overexpressede0
Gene: PtaEPF1e0
Outcome: stomatal densitye0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“PtaEPF1 was overexpressed in Arabidopsis and poplar and the resulting data indicated that both genes are able to decrease stomatal density”
✓ located verbatim in the source · abstract, characters 1395–1533

Title

Decreased stomatal density in poplar leads to improved water-use efficiency and drought tolerance

Shaneka S. Lawson Purdue e-Pubs (Purdue University System) 2011

Other claims from this paper (5)

Intervention effect AtEPF1 overexpression reduced stomatal density in Arabidopsis and poplar.
Observation The poplar homolog of AtEPF1 was identified and isolated as PtaEPF1.
Intervention effect Overexpression of PtaEPF1 limited leaf water loss in Arabidopsis and poplar.
Observation The transgenic plants exhibited several abnormal leaf phenotypes.
Observation No significant decrease in overall leaf biomass was detected in the transgenic poplar.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

miR319a overexpression reduced poplar lateral root number and density.

Taxon: poplarPopuluse0
Treatment: overexpression of miR319ae0
Gene: miR319ae0
Outcome: number and density of lateral rootse0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“overexpression of miR319a led to a decrease in the number and density of lateral roots in poplar”
✓ located verbatim in the source · abstract, characters 243–339

Title

MicroRNA319-TCP19-IAA3.2 Module Mediates Lateral Root Growth in Populus tomentosa

Jianqiu Li; Hanyu Chen; Zhengjie Zhao; et al. Plants 2025. doi:10.3390/plants14162494

Other claims from this paper (17)

Intervention effect miR319a repression promoted lateral root development.
Observation IAA3.1 and IAA3.2 were upregulated in miR319a-OE plants.
Observation IAA3.1 and IAA3.2 were downregulated in miR319a-STTM plants.
Intervention effect NAA increased wild-type lateral root number by 30%.
Intervention effect NAA increased wild-type lateral root density by 44%.
Intervention effect NAA increased lateral root number in miR319a-OE plants by 23% and 48%.
Intervention effect NAA increased lateral root density in miR319a-OE plants by 10% and 26%.
Intervention effect NPA decreased wild-type lateral root number by 70%.
Intervention effect NPA decreased lateral root number in overexpression plants by 85–87%.
Intervention effect NPA decreased lateral root number in STTM plants by about 83%.
Mechanism miR319a significantly inhibited IAA3.1 and IAA3.2 expression.
Observation Auxin signaling was stronger in epidermal and elongation-zone cells of miR319a-OE lateral roots.
Observation Auxin signaling was more pronounced in root tip meristematic cells of WT and miR319a-STTM roots.
Observation IAA3.2 was identified as a downstream target of TCP19.
Observation TCP19 directly bound the IAA3.2 promoter.
Mechanism miR319a targeted and cleaved TCP19.
Mechanism TCP19 directly and negatively regulated IAA3.2 expression and lateral root development.

Mechanismauthor interpretationoriginal resultmeasured

Claim · model-written summary

The authors linked the density induced ratio decrease to downregulation of three carbon metabolism enzymes.

Outcome: downregulation of C 4 carbon metabolism enzymese0
Qualifier: C 4 carbon metabolism enzymese0

Not reportedTaxon

Verbatim

e0
“which resulted in downregulation of C 4 carbon metabolism enzymes (phosphoenolpyruvate carboxykinase, phosphoenolpyruvate carboxylase, and pyruvate orthophosphate dikinase).”
✓ located verbatim in the source · abstract, characters 1189–1362

Title

Corn Response to Competition: Growth Alteration vs. Yield Limiting Factors

S. A. Clay; D. E. Clay; D. P. Horvath; et al. Agronomy Journal 2009. doi:10.2134/agronj2008.0213x

Other claims from this paper (12)

Intervention effect Sixty percent shade increased corn chlorophyll relative to full sun.
Intervention effect Sixty percent shade reduced corn leaf area and height relative to full sun.
Intervention effect Double density plants had 11% less chlorophyll than single density plants.
Intervention effect Double density plants had leaf area and height similar to shaded plants.
Intervention effect Double density plants were smaller at harvest.
Intervention effect Double density increased water and nitrogen use efficiency.
Intervention effect Double density increased yield per hectare by 11%.
Intervention effect Sixty percent shade reduced yield per plant by 50%.
Intervention effect Double density reduced yield per plant by 50%.
Mechanism The authors attributed shaded plant yield reduction to light stress.
Intervention effect High density was associated with a 20% decrease in red to near infrared ratio.
Observation High density and shade had similar per plant yield impact but different compensation mechanisms.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Mutation of both ASF1 genes decreased chromatin density.

Taxon: ArabidopsisArabidopsise0
Treatment: Simultaneous mutation of both Arabidopsis ASF1 genese0
Gene: ASF1e0
Outcome: chromatin densitye0
Direction: decreasee0

Not reportedComparator

Verbatim

e0
“Simultaneous mutation of both Arabidopsis ASF1 genes caused a decrease in chromatin density and ectopic H3.1 occupancy at loci typically enriched with H3.3.”
✓ located verbatim in the source · abstract, characters 526–682

Title

Histone chaperone ASF1 mediates H3.3-H4 deposition in Arabidopsis

Zhenhui Zhong; Yafei Wang; Ming Wang; et al. Nature Communications 2022. doi:10.1038/s41467-022-34648-0

Other claims from this paper (9)

Association Arabidopsis ASF1 proteins preferred the HIRA complex.
Intervention effect Mutation of both ASF1 genes caused ectopic H3.1 occupancy at H3.3 enriched loci.
Association ASF1 proteins strongly preferred HIRA over CAF-1.
Observation asf1 mutants had increased spurious Pol II initiation.
Observation asf1 mutants showed defective maintenance of gene body CG DNA methylation.
Observation asf1 mutants showed defective histone modification distribution.
Intervention effect Ectopic ASF1 targeting caused excessive histone deposition.
Intervention effect Ectopic ASF1 targeting reduced chromatin accessibility.
Intervention effect Ectopic ASF1 targeting caused gene silencing.

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