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TORNADO1 and TORNADO2 are required for the specification of radial and circumferential pattern in the Arabidopsis root. / Cnops, Gerda; Wang, X; Linstead, P; Van Montagu, M; Van Lijsebettens, M; Dolan, L.

In: Development, Vol. 127, No. 15, 2000, p. 3385-3394.

Research output: Contribution to journalA1: Web of Science-article

Harvard

Cnops, G, Wang, X, Linstead, P, Van Montagu, M, Van Lijsebettens, M & Dolan, L 2000, 'TORNADO1 and TORNADO2 are required for the specification of radial and circumferential pattern in the Arabidopsis root', Development, vol. 127, no. 15, pp. 3385-3394.

APA

Cnops, G., Wang, X., Linstead, P., Van Montagu, M., Van Lijsebettens, M., & Dolan, L. (2000). TORNADO1 and TORNADO2 are required for the specification of radial and circumferential pattern in the Arabidopsis root. Development, 127(15), 3385-3394.

Vancouver

Cnops G, Wang X, Linstead P, Van Montagu M, Van Lijsebettens M, Dolan L. TORNADO1 and TORNADO2 are required for the specification of radial and circumferential pattern in the Arabidopsis root. Development. 2000;127(15):3385-3394.

Author

Cnops, Gerda ; Wang, X ; Linstead, P ; Van Montagu, M ; Van Lijsebettens, M ; Dolan, L. / TORNADO1 and TORNADO2 are required for the specification of radial and circumferential pattern in the Arabidopsis root. In: Development. 2000 ; Vol. 127, No. 15. pp. 3385-3394.

Bibtex

@article{89e15dadbf0747ac9a3a9d3ded01eea4,
title = "TORNADO1 and TORNADO2 are required for the specification of radial and circumferential pattern in the Arabidopsis root",
abstract = "The cell layers of the Arabidopsis primary root are arranged in a simple radial pattern. The outermost layer is the lateral root cap and lies outside the epidermis that surrounds the ground tissue. The files of epidermal and lateral root cap cells converge on a ring of initials (lateral root cap/epidermis initial) from which the epidermal and lateral root cap tissues of the seedling are derived, once root growth is initiated after germination. Each initial gives rise to a clone of epidermal cells and a clone of lateral root cap cells. These initial divisions in the epidermal/lateral root cap initial are defective in tornado1 (trn1) and trn2 plants indicating a requirement for TRN1 and TRN2 for initial cell function. Furthermore, lateral root cap cells develop in the epidermal position in trn1 and trn2 roots indicating that TRN1 and TRN2 are required for the maintenance of the radial pattern of cell specification in the root. The death of these ectopic lateral root cap cells in the elongation zone (where lateral root cap cells normally die) results in the development of gaps in the epidermis. These observations indicate that TRN1 and TRN2 are required to maintain the distinction between the lateral root cap and epidermis and suggest that lateral root cap fate is the default state. It also suggests that TRN1 and TRN2 repress lateral root cap fate in cells in the epidermal location. Furthermore, the position-dependent pattern of root hair and non-root hair cell differentiation in the epidermis is defective in trn1 and trn2 mutants. Together these results indicate that TRN1 and TRN2 are required for the maintenance of both the radial pattern of tissue differentiation in the root and for the subsequent circumferential pattern within the epidermis.",
author = "Gerda Cnops and X Wang and P Linstead and {Van Montagu}, M and {Van Lijsebettens}, M and L Dolan",
year = "2000",
language = "English",
volume = "127",
pages = "3385--3394",
journal = "Development",
issn = "0950-1991",
publisher = "Company of Biologists Ltd",
number = "15",

}

RIS

TY - JOUR

T1 - TORNADO1 and TORNADO2 are required for the specification of radial and circumferential pattern in the Arabidopsis root

AU - Cnops, Gerda

AU - Wang, X

AU - Linstead, P

AU - Van Montagu, M

AU - Van Lijsebettens, M

AU - Dolan, L

PY - 2000

Y1 - 2000

N2 - The cell layers of the Arabidopsis primary root are arranged in a simple radial pattern. The outermost layer is the lateral root cap and lies outside the epidermis that surrounds the ground tissue. The files of epidermal and lateral root cap cells converge on a ring of initials (lateral root cap/epidermis initial) from which the epidermal and lateral root cap tissues of the seedling are derived, once root growth is initiated after germination. Each initial gives rise to a clone of epidermal cells and a clone of lateral root cap cells. These initial divisions in the epidermal/lateral root cap initial are defective in tornado1 (trn1) and trn2 plants indicating a requirement for TRN1 and TRN2 for initial cell function. Furthermore, lateral root cap cells develop in the epidermal position in trn1 and trn2 roots indicating that TRN1 and TRN2 are required for the maintenance of the radial pattern of cell specification in the root. The death of these ectopic lateral root cap cells in the elongation zone (where lateral root cap cells normally die) results in the development of gaps in the epidermis. These observations indicate that TRN1 and TRN2 are required to maintain the distinction between the lateral root cap and epidermis and suggest that lateral root cap fate is the default state. It also suggests that TRN1 and TRN2 repress lateral root cap fate in cells in the epidermal location. Furthermore, the position-dependent pattern of root hair and non-root hair cell differentiation in the epidermis is defective in trn1 and trn2 mutants. Together these results indicate that TRN1 and TRN2 are required for the maintenance of both the radial pattern of tissue differentiation in the root and for the subsequent circumferential pattern within the epidermis.

AB - The cell layers of the Arabidopsis primary root are arranged in a simple radial pattern. The outermost layer is the lateral root cap and lies outside the epidermis that surrounds the ground tissue. The files of epidermal and lateral root cap cells converge on a ring of initials (lateral root cap/epidermis initial) from which the epidermal and lateral root cap tissues of the seedling are derived, once root growth is initiated after germination. Each initial gives rise to a clone of epidermal cells and a clone of lateral root cap cells. These initial divisions in the epidermal/lateral root cap initial are defective in tornado1 (trn1) and trn2 plants indicating a requirement for TRN1 and TRN2 for initial cell function. Furthermore, lateral root cap cells develop in the epidermal position in trn1 and trn2 roots indicating that TRN1 and TRN2 are required for the maintenance of the radial pattern of cell specification in the root. The death of these ectopic lateral root cap cells in the elongation zone (where lateral root cap cells normally die) results in the development of gaps in the epidermis. These observations indicate that TRN1 and TRN2 are required to maintain the distinction between the lateral root cap and epidermis and suggest that lateral root cap fate is the default state. It also suggests that TRN1 and TRN2 repress lateral root cap fate in cells in the epidermal location. Furthermore, the position-dependent pattern of root hair and non-root hair cell differentiation in the epidermis is defective in trn1 and trn2 mutants. Together these results indicate that TRN1 and TRN2 are required for the maintenance of both the radial pattern of tissue differentiation in the root and for the subsequent circumferential pattern within the epidermis.

M3 - A1: Web of Science-article

VL - 127

SP - 3385

EP - 3394

JO - Development

JF - Development

SN - 0950-1991

IS - 15

ER -