Transcription switches for protoxylem and metaxylem vessel formation

被引：896

作者：

Kubo, M ^{[1
]}

Udagawa, M

Nishikubo, N

Horiguchi, G

Yamaguchi, M

Ito, J

Mimura, T

Fukuda, H

Demura, T

机构：

[1] RIKEN, Plant Sci Ctr, Kanagawa 2300045, Japan

[2] RIKEN, Discovery Res Inst, Wako, Saitama 3510198, Japan

[3] Kobe Univ, Fac Sci, Dept Biol, Kobe, Hyogo 6578501, Japan

[4] Univ Tokyo, Dept Biol Sci, Grad Sch Sci, Bunkyo Ku, Tokyo 1130033, Japan

来源：

GENES & DEVELOPMENT | 2005年 / 19卷 / 16期

关键词：

VASCULAR-RELATED NAC-DOMAIN; xylem vessel; vascular development; cell fate; transdifferentiation; Arabidopsis;

D O I：

10.1101/gad.1331305

中图分类号：

Q2 [细胞生物学];

学科分类号：

071009 ; 090102 ;

摘要：

Land plants evolved xylem vessels to conduct water and nutrients, and to support the plant. Microarray analysis with a newly established Arabidopsis in vitro xylem vessel element formation system and promoter analysis revealed the possible involvement of some plant-specific NAC-domain transcription factors in xylem formation. VASCULAR-RELATED NAC-DOMAIN6 (VND6) and VND7 can induce transdifferentiation of various cells into metaxylem- and protoxylem-like vessel elements, respectively, in Arabidopsis and poplar. A dominant repression of VND6 and VND7 specifically inhibits metaxylem and protoxylem vessel formation in roots, respectively. These findings suggest that these genes are transcription switches for plant metaxylem and protoxylem vessel formation.

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收藏

页码：1855 / 1860

页数：6

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