AtMYB93 is a novel negative regulator of lateral root development in Arabidopsis

Research output: Contribution to journalArticlepeer-review

Standard

AtMYB93 is a novel negative regulator of lateral root development in Arabidopsis. / Gibbs, Daniel; Voss, Ute; Harding, Susan; Fannon, Jessica; Moody, Laura; Yamada, Erika; Swarup, Kamal; Nibau, Candida; Bassel, George; Choudhary, Anushree; Lavenus, Julien; Bradshaw, Susan; Stekel, Dov; Bennett, Malcolm J; Coates, Juliet.

In: New Phytologist, Vol. 203, No. 4, 09.2014, p. 1194–1207.

Research output: Contribution to journalArticlepeer-review

Harvard

Gibbs, D, Voss, U, Harding, S, Fannon, J, Moody, L, Yamada, E, Swarup, K, Nibau, C, Bassel, G, Choudhary, A, Lavenus, J, Bradshaw, S, Stekel, D, Bennett, MJ & Coates, J 2014, 'AtMYB93 is a novel negative regulator of lateral root development in Arabidopsis', New Phytologist, vol. 203, no. 4, pp. 1194–1207. https://doi.org/10.1111/nph.12879

APA

Gibbs, D., Voss, U., Harding, S., Fannon, J., Moody, L., Yamada, E., Swarup, K., Nibau, C., Bassel, G., Choudhary, A., Lavenus, J., Bradshaw, S., Stekel, D., Bennett, M. J., & Coates, J. (2014). AtMYB93 is a novel negative regulator of lateral root development in Arabidopsis. New Phytologist, 203(4), 1194–1207. https://doi.org/10.1111/nph.12879

Vancouver

Author

Gibbs, Daniel ; Voss, Ute ; Harding, Susan ; Fannon, Jessica ; Moody, Laura ; Yamada, Erika ; Swarup, Kamal ; Nibau, Candida ; Bassel, George ; Choudhary, Anushree ; Lavenus, Julien ; Bradshaw, Susan ; Stekel, Dov ; Bennett, Malcolm J ; Coates, Juliet. / AtMYB93 is a novel negative regulator of lateral root development in Arabidopsis. In: New Phytologist. 2014 ; Vol. 203, No. 4. pp. 1194–1207.

Bibtex

@article{db34649ebc134d5c8caa3fc67cb69eec,
title = "AtMYB93 is a novel negative regulator of lateral root development in Arabidopsis",
abstract = "Plant root system plasticity is critical for survival in changing environmental conditions. One important aspect of root architecture is lateral root development, a complex process regulated by hormone, environmental and protein signalling pathways.Here we show, using molecular genetic approaches, that the MYB transcription factor AtMYB93 is a novel negative regulator of lateral root development in Arabidopsis.We identify AtMYB93 as an interaction partner of the lateral-root-promoting ARABIDILLO proteins. Atmyb93 mutants have faster lateral root developmental progression and enhanced lateral root densities, while AtMYB93-overexpressing lines display the opposite phenotype. AtMYB93 is expressed strongly, specifically and transiently in the endodermal cells overlying early lateral root primordia and is additionally induced by auxin in the basal meristem of the primary root. Furthermore, Atmyb93 mutant lateral root development is insensitive to auxin, indicating that AtMYB93 is required for normal auxin responses during lateral root development.We propose that AtMYB93 is part of a novel auxin-induced negative feedback loop stimulated in a select few endodermal cells early during lateral root development, ensuring that lateral roots only develop when absolutely required. Putative AtMYB93 homologues are detected throughout flowering plants and represent promising targets for manipulation.",
keywords = "abscisic acid, endodermis, lateral roots, MYB, negative regulation, auxin, ARABIDILLO",
author = "Daniel Gibbs and Ute Voss and Susan Harding and Jessica Fannon and Laura Moody and Erika Yamada and Kamal Swarup and Candida Nibau and George Bassel and Anushree Choudhary and Julien Lavenus and Susan Bradshaw and Dov Stekel and Bennett, {Malcolm J} and Juliet Coates",
year = "2014",
month = sep,
doi = "10.1111/nph.12879",
language = "English",
volume = "203",
pages = "1194–1207",
journal = "New Phytologist",
issn = "0028-646X",
publisher = "Wiley",
number = "4",

}

RIS

TY - JOUR

T1 - AtMYB93 is a novel negative regulator of lateral root development in Arabidopsis

AU - Gibbs, Daniel

AU - Voss, Ute

AU - Harding, Susan

AU - Fannon, Jessica

AU - Moody, Laura

AU - Yamada, Erika

AU - Swarup, Kamal

AU - Nibau, Candida

AU - Bassel, George

AU - Choudhary, Anushree

AU - Lavenus, Julien

AU - Bradshaw, Susan

AU - Stekel, Dov

AU - Bennett, Malcolm J

AU - Coates, Juliet

PY - 2014/9

Y1 - 2014/9

N2 - Plant root system plasticity is critical for survival in changing environmental conditions. One important aspect of root architecture is lateral root development, a complex process regulated by hormone, environmental and protein signalling pathways.Here we show, using molecular genetic approaches, that the MYB transcription factor AtMYB93 is a novel negative regulator of lateral root development in Arabidopsis.We identify AtMYB93 as an interaction partner of the lateral-root-promoting ARABIDILLO proteins. Atmyb93 mutants have faster lateral root developmental progression and enhanced lateral root densities, while AtMYB93-overexpressing lines display the opposite phenotype. AtMYB93 is expressed strongly, specifically and transiently in the endodermal cells overlying early lateral root primordia and is additionally induced by auxin in the basal meristem of the primary root. Furthermore, Atmyb93 mutant lateral root development is insensitive to auxin, indicating that AtMYB93 is required for normal auxin responses during lateral root development.We propose that AtMYB93 is part of a novel auxin-induced negative feedback loop stimulated in a select few endodermal cells early during lateral root development, ensuring that lateral roots only develop when absolutely required. Putative AtMYB93 homologues are detected throughout flowering plants and represent promising targets for manipulation.

AB - Plant root system plasticity is critical for survival in changing environmental conditions. One important aspect of root architecture is lateral root development, a complex process regulated by hormone, environmental and protein signalling pathways.Here we show, using molecular genetic approaches, that the MYB transcription factor AtMYB93 is a novel negative regulator of lateral root development in Arabidopsis.We identify AtMYB93 as an interaction partner of the lateral-root-promoting ARABIDILLO proteins. Atmyb93 mutants have faster lateral root developmental progression and enhanced lateral root densities, while AtMYB93-overexpressing lines display the opposite phenotype. AtMYB93 is expressed strongly, specifically and transiently in the endodermal cells overlying early lateral root primordia and is additionally induced by auxin in the basal meristem of the primary root. Furthermore, Atmyb93 mutant lateral root development is insensitive to auxin, indicating that AtMYB93 is required for normal auxin responses during lateral root development.We propose that AtMYB93 is part of a novel auxin-induced negative feedback loop stimulated in a select few endodermal cells early during lateral root development, ensuring that lateral roots only develop when absolutely required. Putative AtMYB93 homologues are detected throughout flowering plants and represent promising targets for manipulation.

KW - abscisic acid

KW - endodermis

KW - lateral roots

KW - MYB

KW - negative regulation

KW - auxin

KW - ARABIDILLO

U2 - 10.1111/nph.12879

DO - 10.1111/nph.12879

M3 - Article

C2 - 24902892

VL - 203

SP - 1194

EP - 1207

JO - New Phytologist

JF - New Phytologist

SN - 0028-646X

IS - 4

ER -