AtMYB31 is a wax regulator associated with reproductive development in Arabidopsis

Lei Shi; Yuqin Chen; Jun Hong; Gaodian Shen; Lukas Schreiber; Hagai Cohen; Dabing Zhang; Asaph Aharoni; Jianxin Shi

doi:https://doi.org/10.1007/s00425-022-03945-9

AtMYB31 is a wax regulator associated with reproductive development in Arabidopsis

Lei Shi, Yuqin Chen, Jun Hong, Gaodian Shen, Lukas Schreiber, Hagai Cohen, Dabing Zhang, Asaph Aharoni, Jianxin Shi

Department of Plant and Environmental Sciences

Weizmann Institute of Science

Research output: Contribution to journal › Article › peer-review

Abstract

R2R3–MYB transcription factors play important roles in plant development; yet, the exact role of each of them remains to be resolved. Here we report that the Arabidopsis AtMYB31 is required for wax biosynthesis in epidermis of reproductive tissues, and is involved in seed development. AtMYB31 was ubiquitously expressed in both vegetative and reproductive tissues with higher expression levels in siliques and seeds, while AtMYB31 was localized to the nucleus and cytoplasm. Loss of function of AtMYB31 reduced wax accumulation in the epidermis of silique and flower tissues, disrupted seed coat epidermal wall development and mucilage production, altered seed proanthocyanidin and polyester content. AtMYB31 could direct activate expressions of several wax biosynthetic target genes. Altogether, AtMYB31, a R2R3–MYB transcription factor, regulates seed development in Arabidopsis.

Original language	English
Article number	28
Number of pages	15
Journal	Planta
Volume	256
Issue number	2
DOIs	https://doi.org/10.1007/s00425-022-03945-9
State	Published - 4 Jul 2022

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title = "AtMYB31 is a wax regulator associated with reproductive development in Arabidopsis",

abstract = "R2R3–MYB transcription factors play important roles in plant development; yet, the exact role of each of them remains to be resolved. Here we report that the Arabidopsis AtMYB31 is required for wax biosynthesis in epidermis of reproductive tissues, and is involved in seed development. AtMYB31 was ubiquitously expressed in both vegetative and reproductive tissues with higher expression levels in siliques and seeds, while AtMYB31 was localized to the nucleus and cytoplasm. Loss of function of AtMYB31 reduced wax accumulation in the epidermis of silique and flower tissues, disrupted seed coat epidermal wall development and mucilage production, altered seed proanthocyanidin and polyester content. AtMYB31 could direct activate expressions of several wax biosynthetic target genes. Altogether, AtMYB31, a R2R3–MYB transcription factor, regulates seed development in Arabidopsis.",

author = "Lei Shi and Yuqin Chen and Jun Hong and Gaodian Shen and Lukas Schreiber and Hagai Cohen and Dabing Zhang and Asaph Aharoni and Jianxin Shi",

note = "Publisher Copyright: {\textcopyright} 2022, The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.",

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doi = "https://doi.org/10.1007/s00425-022-03945-9",

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T1 - AtMYB31 is a wax regulator associated with reproductive development in Arabidopsis

AU - Shi, Lei

AU - Chen, Yuqin

AU - Hong, Jun

AU - Shen, Gaodian

AU - Schreiber, Lukas

AU - Cohen, Hagai

AU - Zhang, Dabing

AU - Aharoni, Asaph

AU - Shi, Jianxin

PY - 2022/7/4

Y1 - 2022/7/4

N2 - R2R3–MYB transcription factors play important roles in plant development; yet, the exact role of each of them remains to be resolved. Here we report that the Arabidopsis AtMYB31 is required for wax biosynthesis in epidermis of reproductive tissues, and is involved in seed development. AtMYB31 was ubiquitously expressed in both vegetative and reproductive tissues with higher expression levels in siliques and seeds, while AtMYB31 was localized to the nucleus and cytoplasm. Loss of function of AtMYB31 reduced wax accumulation in the epidermis of silique and flower tissues, disrupted seed coat epidermal wall development and mucilage production, altered seed proanthocyanidin and polyester content. AtMYB31 could direct activate expressions of several wax biosynthetic target genes. Altogether, AtMYB31, a R2R3–MYB transcription factor, regulates seed development in Arabidopsis.

AB - R2R3–MYB transcription factors play important roles in plant development; yet, the exact role of each of them remains to be resolved. Here we report that the Arabidopsis AtMYB31 is required for wax biosynthesis in epidermis of reproductive tissues, and is involved in seed development. AtMYB31 was ubiquitously expressed in both vegetative and reproductive tissues with higher expression levels in siliques and seeds, while AtMYB31 was localized to the nucleus and cytoplasm. Loss of function of AtMYB31 reduced wax accumulation in the epidermis of silique and flower tissues, disrupted seed coat epidermal wall development and mucilage production, altered seed proanthocyanidin and polyester content. AtMYB31 could direct activate expressions of several wax biosynthetic target genes. Altogether, AtMYB31, a R2R3–MYB transcription factor, regulates seed development in Arabidopsis.

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U2 - https://doi.org/10.1007/s00425-022-03945-9

DO - https://doi.org/10.1007/s00425-022-03945-9

M3 - مقالة

SN - 0032-0935

VL - 256

JO - Planta

JF - Planta

IS - 2

M1 - 28

ER -

AtMYB31 is a wax regulator associated with reproductive development in Arabidopsis

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