By organism › Green plants › Juncaceae › Juncus prismatocarpus

Observationobservedoriginal resultmeasured

Claim · model-written summary

The two Juncus species had spatially different GLYCOSIDE HYDROLASE3 expression in leaf primordia.

Taxon: Juncus prismatocarpusJuncus prismatocarpuse0
Organ / stage: leaf primordiae0
Gene: GLYCOSIDE HYDROLASE3e0
Outcome: spatially different expression patternse0

Not reportedDirection

Verbatim

e0
“In two closely related unifacial-leaved species of Juncaceae, Juncus prismatocarpus with flattened leaves, and Juncus wallichianus with transversally radialized leaves, the auxin-responsive gene GLYCOSIDE HYDROLASE3 displayed spatially different expression patterns within leaf primordia.”
✓ located verbatim in the source · abstract, characters 587–875

Title

A Role for Auxin in Triggering Lamina Outgrowth of Unifacial Leaves

Akira Nukazuka; Takahiro Yamaguchi; Hirokazu Tsukaya PLANT PHYSIOLOGY 2021. doi:10.1093/plphys/kiab087

Other claims from this paper (5)

Intervention effect Exogenous auxin eliminated leaf flatness in J. prismatocarpus seedlings.
Intervention effect Auxin transport inhibitors eliminated leaf flatness in J. prismatocarpus seedlings.
Intervention effect These auxin treatments did not change radialized leaf morphology in J. wallichianus.
Association Eliminating flatness with auxin treatments accompanied dysregulated expression of leaf polarity factors in J. prismatocarpus.
Mechanism The authors infer that proper auxin placement may initiate and promote flattening of unifacial leaves.

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Exogenous auxin eliminated leaf flatness in J. prismatocarpus seedlings.

Taxon: J. prismatocarpusJuncus prismatocarpuse0
Organ / stage: seedlingse0
Treatment: exogenous auxine0
Outcome: leaf flatnesse0
Direction: eliminatede0

Not reportedComparator

Verbatim

e0
“Treatment of J. prismatocarpus seedlings with exogenous auxin or auxin transport inhibitors, which disturb endogenous auxin distribution, eliminated leaf flatness, resulting in a transversally radialized morphology.”
✓ located verbatim in the source · abstract, characters 876–1091

Title

A Role for Auxin in Triggering Lamina Outgrowth of Unifacial Leaves

Akira Nukazuka; Takahiro Yamaguchi; Hirokazu Tsukaya PLANT PHYSIOLOGY 2021. doi:10.1093/plphys/kiab087

Other claims from this paper (5)

Intervention effectobservedoriginal resultnegativemeasured

Claim · model-written summary

Auxin transport inhibitors eliminated leaf flatness in J. prismatocarpus seedlings.

Taxon: J. prismatocarpusJuncus prismatocarpuse0
Organ / stage: seedlingse0
Treatment: auxin transport inhibitorse0
Outcome: leaf flatnesse0
Direction: eliminatede0

Not reportedComparator

Verbatim

e0
“Treatment of J. prismatocarpus seedlings with exogenous auxin or auxin transport inhibitors, which disturb endogenous auxin distribution, eliminated leaf flatness, resulting in a transversally radialized morphology.”
✓ located verbatim in the source · abstract, characters 876–1091

Title

A Role for Auxin in Triggering Lamina Outgrowth of Unifacial Leaves

Akira Nukazuka; Takahiro Yamaguchi; Hirokazu Tsukaya PLANT PHYSIOLOGY 2021. doi:10.1093/plphys/kiab087

Other claims from this paper (5)

Associationobservedoriginal resultnegativemeasured

Claim · model-written summary

Eliminating flatness with auxin treatments accompanied dysregulated expression of leaf polarity factors in J. prismatocarpus.

Taxon: J. prismatocarpusJuncus prismatocarpuse0
Organ / stage: leafe0
Treatment: these treatmentse0
Outcome: dysregulated expression of genetic factorse0

Not reportedDirection

Verbatim

e0
“elimination of leaf flatness by these treatments accompanied dysregulated expression of genetic factors needed to specify the leaf central-marginal polarity in J. prismatocarpus.”
✓ located verbatim in the source · abstract, characters 1190–1368

Title

A Role for Auxin in Triggering Lamina Outgrowth of Unifacial Leaves

Akira Nukazuka; Takahiro Yamaguchi; Hirokazu Tsukaya PLANT PHYSIOLOGY 2021. doi:10.1093/plphys/kiab087

Other claims from this paper (5)

Observation The two Juncus species had spatially different GLYCOSIDE HYDROLASE3 expression in leaf primordia.
Intervention effect Exogenous auxin eliminated leaf flatness in J. prismatocarpus seedlings.
Intervention effect Auxin transport inhibitors eliminated leaf flatness in J. prismatocarpus seedlings.
Intervention effect These auxin treatments did not change radialized leaf morphology in J. wallichianus.
Mechanism The authors infer that proper auxin placement may initiate and promote flattening of unifacial leaves.

Observationobservedoriginal resultmeasured

Claim · model-written summary

Thickening cell divisions were the most abundant (> 45%) among all cell division directions on the leaf blade of J. prismatocarpus from early plastochron 2 through plastochron 3.

Taxon: J. prismatocarpusJuncus prismatocarpuse1
Organ / stage: leaf bladee1
Outcome: Thickening cell divisionse1
Value: > 45%e1

Verbatim

e1
“Thickening cell divisions were the most abundant (> 45%) among all cell division directions on the leaf blade of J. prismatocarpus from the early plastochron 2 stage through the plastochron 3 stage”
✓ located verbatim in the source · abstract, characters 472–669

Title

Morphogenesis of flattened unifacial leaves in Juncus prismatocarpus (Juncaceae)

Xiaofeng Yin; Hirokazu Tsukaya New Phytologist 2018. doi:10.1111/nph.15649

Other claims from this paper (4)

Observationobservedoriginal resultmeasured

Claim · model-written summary

Cell divisions in a particular direction were not restricted to a particular domain but were distributed diffusely throughout the entire cross-sectional area of the leaf blade.

Taxon: Juncus prismatocarpusJuncus prismatocarpust0
Organ / stage: leaf bladee1
Outcome: cell divisions in a particular direction were not restricted to a particular domaine1

Verbatim

t0
“Juncus prismatocarpus”
✓ located verbatim in the source · title, characters 47–68

e1
“cell divisions in a particular direction were not restricted to a particular domain but were distributed diffusely throughout the entire cross-sectional area of the leaf blade”
✓ located verbatim in the source · abstract, characters 712–887

Title

Morphogenesis of flattened unifacial leaves in Juncus prismatocarpus (Juncaceae)

Xiaofeng Yin; Hirokazu Tsukaya New Phytologist 2018. doi:10.1111/nph.15649

Other claims from this paper (4)

Observationobservedoriginal resultmeasured

Claim · model-written summary

The distribution of thickening cell divisions was denser in the adaxial domain than in the abaxial domain of the leaf blade.

Taxon: Juncus prismatocarpusJuncus prismatocarpust0
Outcome: distribution of thickening cell divisions of the adaxial domaine1
Direction: densere1
Comparator: abaxial domaine1

Verbatim

t0
“Juncus prismatocarpus”
✓ located verbatim in the source · title, characters 47–68

e1
“the distribution of thickening cell divisions of the adaxial domain was denser than that of the abaxial domain”
✓ located verbatim in the source · abstract, characters 922–1032

Title

Morphogenesis of flattened unifacial leaves in Juncus prismatocarpus (Juncaceae)

Xiaofeng Yin; Hirokazu Tsukaya New Phytologist 2018. doi:10.1111/nph.15649

Other claims from this paper (4)

Observationobservedoriginal resultmeasured

Claim · model-written summary

DL expression was transient and restricted in a narrow band, in contrast to the prolonged and diffuse distribution of thickening cell divisions.

Taxon: Juncus prismatocarpusJuncus prismatocarpust0
Gene: DLe1
Outcome: DL expression was transient and restricted in a narrow bande1

Verbatim

t0
“Juncus prismatocarpus”
✓ located verbatim in the source · title, characters 47–68

e1
“DL expression was transient and restricted in a narrow band”
✓ located verbatim in the source · abstract, characters 1115–1174

Title

Morphogenesis of flattened unifacial leaves in Juncus prismatocarpus (Juncaceae)

Xiaofeng Yin; Hirokazu Tsukaya New Phytologist 2018. doi:10.1111/nph.15649

Other claims from this paper (4)

Mechanismauthor interpretationoriginal resultbasis n/a

Claim · model-written summary

The authors suggest that a diffuse thickening meristem plays the key role in the development of flattened unifacial leaves.

Taxon: Juncus prismatocarpusJuncus prismatocarpust0
Outcome: development of flattened unifacial leavese1
Qualifier: diffuse 'thickening meristem'e1

Verbatim

t0
“Juncus prismatocarpus”
✓ located verbatim in the source · title, characters 47–68

e1
“a diffuse 'thickening meristem' plays the key role in the development of flattened unifacial leaves”
✓ located verbatim in the source · abstract, characters 1201–1300

Title

Morphogenesis of flattened unifacial leaves in Juncus prismatocarpus (Juncaceae)

Xiaofeng Yin; Hirokazu Tsukaya New Phytologist 2018. doi:10.1111/nph.15649

Other claims from this paper (4)

Method / resourceobservedoriginal resultmeasured

Claim · model-written summary

The assay worked in Juncus leaves.

Taxon: Juncus prismatocarpusJuncus prismatocarpuse0
Organ / stage: leavese0
Outcome: successfule0

Not reportedComparator

Verbatim

e0
“was shown to be successful for leaves of Arabidopsis thaliana (Arabidopsis) and Juncus prismatocarpus”
✓ located verbatim in the source · abstract, characters 393–494

Title

A pulse‐chase strategy for EdU labelling assay is able to rapidly quantify cell division orientation

Xiaofeng Yin; Hirokazu Tsukaya New Phytologist 2016. doi:10.1111/nph.13980

Other claims from this paper (6)

Method / resource The assay worked in Arabidopsis leaves.
Method / resource Optimized pulse and chase periods yielded mostly daughter-nucleus sets.
Method / resource The Arabidopsis optimum was 45-minute pulse and 7-hour chase.
Method / resource The Juncus optimum was 2-hour pulse and 13.5-hour chase.
Observation Proximal-distal division was more frequent than medial-lateral division in Arabidopsis leaf primordia.
Association Division direction in petiole, veins and margins seemed aligned with auxin flow.

Juncus prismatocarpus 22 claims

22 claims