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“decrease in density”

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paper W2117000519 ✕

Intervention effectobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Low phosphorus decreased the cross-sectional area of individual trichoblasts by 31%.

Taxon: Arabidopsis thalianaArabidopsis thalianat0
Treatment: Low phosphoruse6
Outcome: area of individual trichoblastse6
Direction: decreasee6
Value: 31%e6

Not reportedComparator

Verbatim

e6
“Low phosphorus significantly changed root anatomy, causing a 9% increase in root diameter, a 31% decrease in the cross‐sectional area of individual trichoblasts, a 40% decrease in the cross‐sectional area of individual atrichoblasts, and 45% more cortical cells in cross‐section”
✓ located verbatim in the source · abstract, characters 1371–1649

t0
“Regulation of root hair density by phosphorus availability in Arabidopsis thaliana”
✓ located verbatim in the source · title, characters 0–82

Title

Regulation of root hair density by phosphorus availability in Arabidopsis thaliana

Z. Ma; D. G. Bielenberg; K. M. Brown; et al. Plant Cell & Environment 2001. doi:10.1046/j.1365-3040.2001.00695.x

Other claims from this paper (14)

Intervention effect Root hair density was about five times greater in low phosphorus media than in high phosphorus media.
Intervention effect Root hair density decreased logarithmically as phosphorus concentration increased within the tested range.
Intervention effect Root hair density increased under deficiencies of other nutrients, but less strongly than under low phosphorus.
Intervention effect Indoleacetic acid increased root hair density under high phosphorus but had very little effect under low phosphorus.
Intervention effect The auxin transport inhibitor CMPA increased root hair density under high phosphorus but had very little effect under low phosphorus.
Intervention effect The ethylene precursor ACC increased root hair density under high phosphorus but had very little effect under low phosphorus.
Intervention effect The ethylene synthesis inhibitor AOA increased root hair density under high phosphorus but had very little effect under low phosphorus.
Intervention effect Low phosphorus increased root diameter by 9%.
Intervention effect Low phosphorus decreased the cross-sectional area of individual atrichoblasts by 40%.
Intervention effect Low phosphorus increased the number of cortical cells in cross-section by 45%.
Intervention effect Low phosphorus increased the number of trichoblast files from eight to 12.
Mechanism Two-thirds of the increase in root hair density under low phosphorus was caused by a higher likelihood of trichoblasts forming hairs.
Mechanism Changes in root anatomy under low phosphorus accounted for 33% of the increase in root hair density.
Intervention effect Initial root hairs were not sensitive to phosphorus availability.

Intervention effectobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Low phosphorus decreased the cross-sectional area of individual atrichoblasts by 40%.

Taxon: Arabidopsis thalianaArabidopsis thalianat0
Treatment: Low phosphoruse6
Outcome: area of individual atrichoblastse6
Direction: decreasee6
Value: 40%e6

Not reportedComparator

Verbatim

e6
“Low phosphorus significantly changed root anatomy, causing a 9% increase in root diameter, a 31% decrease in the cross‐sectional area of individual trichoblasts, a 40% decrease in the cross‐sectional area of individual atrichoblasts, and 45% more cortical cells in cross‐section”
✓ located verbatim in the source · abstract, characters 1371–1649

t0
“Regulation of root hair density by phosphorus availability in Arabidopsis thaliana”
✓ located verbatim in the source · title, characters 0–82

Title

Regulation of root hair density by phosphorus availability in Arabidopsis thaliana

Z. Ma; D. G. Bielenberg; K. M. Brown; et al. Plant Cell & Environment 2001. doi:10.1046/j.1365-3040.2001.00695.x

Other claims from this paper (14)

Intervention effect Root hair density was about five times greater in low phosphorus media than in high phosphorus media.
Intervention effect Root hair density decreased logarithmically as phosphorus concentration increased within the tested range.
Intervention effect Root hair density increased under deficiencies of other nutrients, but less strongly than under low phosphorus.
Intervention effect Indoleacetic acid increased root hair density under high phosphorus but had very little effect under low phosphorus.
Intervention effect The auxin transport inhibitor CMPA increased root hair density under high phosphorus but had very little effect under low phosphorus.
Intervention effect The ethylene precursor ACC increased root hair density under high phosphorus but had very little effect under low phosphorus.
Intervention effect The ethylene synthesis inhibitor AOA increased root hair density under high phosphorus but had very little effect under low phosphorus.
Intervention effect Low phosphorus increased root diameter by 9%.
Intervention effect Low phosphorus decreased the cross-sectional area of individual trichoblasts by 31%.
Intervention effect Low phosphorus increased the number of cortical cells in cross-section by 45%.
Intervention effect Low phosphorus increased the number of trichoblast files from eight to 12.
Mechanism Two-thirds of the increase in root hair density under low phosphorus was caused by a higher likelihood of trichoblasts forming hairs.
Mechanism Changes in root anatomy under low phosphorus accounted for 33% of the increase in root hair density.
Intervention effect Initial root hairs were not sensitive to phosphorus availability.

Intervention effectobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Low phosphorus increased root diameter by 9%.

Taxon: Arabidopsis thalianaArabidopsis thalianat0
Treatment: Low phosphoruse6
Outcome: root diametere6
Direction: increasee6
Value: 9%e6

Not reportedComparator

Verbatim

e6
“Low phosphorus significantly changed root anatomy, causing a 9% increase in root diameter, a 31% decrease in the cross‐sectional area of individual trichoblasts, a 40% decrease in the cross‐sectional area of individual atrichoblasts, and 45% more cortical cells in cross‐section”
✓ located verbatim in the source · abstract, characters 1371–1649

t0
“Regulation of root hair density by phosphorus availability in Arabidopsis thaliana”
✓ located verbatim in the source · title, characters 0–82

Title

Regulation of root hair density by phosphorus availability in Arabidopsis thaliana

Z. Ma; D. G. Bielenberg; K. M. Brown; et al. Plant Cell & Environment 2001. doi:10.1046/j.1365-3040.2001.00695.x

Other claims from this paper (14)

Intervention effect Root hair density was about five times greater in low phosphorus media than in high phosphorus media.
Intervention effect Root hair density decreased logarithmically as phosphorus concentration increased within the tested range.
Intervention effect Root hair density increased under deficiencies of other nutrients, but less strongly than under low phosphorus.
Intervention effect Indoleacetic acid increased root hair density under high phosphorus but had very little effect under low phosphorus.
Intervention effect The auxin transport inhibitor CMPA increased root hair density under high phosphorus but had very little effect under low phosphorus.
Intervention effect The ethylene precursor ACC increased root hair density under high phosphorus but had very little effect under low phosphorus.
Intervention effect The ethylene synthesis inhibitor AOA increased root hair density under high phosphorus but had very little effect under low phosphorus.
Intervention effect Low phosphorus decreased the cross-sectional area of individual trichoblasts by 31%.
Intervention effect Low phosphorus decreased the cross-sectional area of individual atrichoblasts by 40%.
Intervention effect Low phosphorus increased the number of cortical cells in cross-section by 45%.
Intervention effect Low phosphorus increased the number of trichoblast files from eight to 12.
Mechanism Two-thirds of the increase in root hair density under low phosphorus was caused by a higher likelihood of trichoblasts forming hairs.
Mechanism Changes in root anatomy under low phosphorus accounted for 33% of the increase in root hair density.
Intervention effect Initial root hairs were not sensitive to phosphorus availability.

Intervention effectobservedoriginal resultsignificant (as stated)measured

Claim · model-written summary

Low phosphorus increased the number of cortical cells in cross-section by 45%.

Taxon: Arabidopsis thalianaArabidopsis thalianat0
Treatment: Low phosphoruse6
Outcome: cortical cellse6
Direction: moree6
Value: 45%e6

Not reportedComparator

Verbatim

e6
“Low phosphorus significantly changed root anatomy, causing a 9% increase in root diameter, a 31% decrease in the cross‐sectional area of individual trichoblasts, a 40% decrease in the cross‐sectional area of individual atrichoblasts, and 45% more cortical cells in cross‐section”
✓ located verbatim in the source · abstract, characters 1371–1649

t0
“Regulation of root hair density by phosphorus availability in Arabidopsis thaliana”
✓ located verbatim in the source · title, characters 0–82

Title

Regulation of root hair density by phosphorus availability in Arabidopsis thaliana

Z. Ma; D. G. Bielenberg; K. M. Brown; et al. Plant Cell & Environment 2001. doi:10.1046/j.1365-3040.2001.00695.x

Other claims from this paper (14)

Intervention effect Root hair density was about five times greater in low phosphorus media than in high phosphorus media.
Intervention effect Root hair density decreased logarithmically as phosphorus concentration increased within the tested range.
Intervention effect Root hair density increased under deficiencies of other nutrients, but less strongly than under low phosphorus.
Intervention effect Indoleacetic acid increased root hair density under high phosphorus but had very little effect under low phosphorus.
Intervention effect The auxin transport inhibitor CMPA increased root hair density under high phosphorus but had very little effect under low phosphorus.
Intervention effect The ethylene precursor ACC increased root hair density under high phosphorus but had very little effect under low phosphorus.
Intervention effect The ethylene synthesis inhibitor AOA increased root hair density under high phosphorus but had very little effect under low phosphorus.
Intervention effect Low phosphorus increased root diameter by 9%.
Intervention effect Low phosphorus decreased the cross-sectional area of individual trichoblasts by 31%.
Intervention effect Low phosphorus decreased the cross-sectional area of individual atrichoblasts by 40%.
Intervention effect Low phosphorus increased the number of trichoblast files from eight to 12.
Mechanism Two-thirds of the increase in root hair density under low phosphorus was caused by a higher likelihood of trichoblasts forming hairs.
Mechanism Changes in root anatomy under low phosphorus accounted for 33% of the increase in root hair density.
Intervention effect Initial root hairs were not sensitive to phosphorus availability.

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