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PMID: 16103214 Published · ppublish English Journal Article Research Support, Non-U.S. Gov't

Transcription switches for protoxylem and metaxylem vessel formation.

Genes & development ·Vol. 19 ·No. 16 ·2005-08-15 ·Pages 1855-60

Kubo M, Udagawa M, Nishikubo N, Horiguchi G, Yamaguchi M, Ito J, Mimura T, Fukuda H, Demura T

Abstract

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.

MeSH Terms
Arabidopsis Proteins/genetics,physiology Cell Differentiation/genetics,physiology Gene Expression Profiling Gene Expression Regulation, Plant/physiology Meristem/genetics,physiology Oligonucleotide Array Sequence Analysis Phenotype Protein Structure, Tertiary/genetics Transcription Factors/genetics,physiology Transcription, Genetic/physiology
Chemicals
Arabidopsis Proteins Transcription Factors
Authors & Affiliations
9 authors, click to expand affiliations / ORCID
Kubo Minoru
RIKEN Plant Science Center, Yokohama, Kanagawa, Japan.
Udagawa Makiko
Nishikubo Nobuyuki
Horiguchi Gorou
Yamaguchi Masatoshi
Ito Jun
Mimura Tetsuro
Fukuda Hiroo
Demura Taku
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Article Info
Journal
Genes & development
Abbr.
Genes Dev
ISSN
0890-9369
DOI
10.1101/gad.1331305
Published
2005-08-15
Pages
1855-60
Language
English
Region
United States
NLM ID
8711660
PMCID
PMC1186185
Subset
IM
External Links
PubMed source DOI: 10.1101/gad.1331305 PMC Full Text View journal details
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