Transcription switches for protoxylem and metaxylem vessel formation.

By M. Kubo, M. Udagawa, N. Nishikubo, G. Horiguchi, M. Yamaguchi, J. Ito, T. Mimura, H. Fukuda, Taku Demura. Genes & Development, 2005

1,109 citations recorded by the source corpus.

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.

Subfields: Molecular Biology, Plant Science

View Paper: https://www.semanticscholar.org/paper/56a6358f3d8961b51f825f78b530d5faad61dffa

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In Molecular Biology

1. T. Umezawa
2. Z. Ye
3. R. Zhong
4. Jianli Zhou
5. Chanhui Lee
6. C. Chapple
7. Kazuo Shinozaki
8. Motoaki Seki

In Plant Science

1. T. Umezawa
2. Z. Ye
3. R. Zhong
4. Kazuo Shinozaki
5. Jianli Zhou
6. Chanhui Lee
7. Motoaki Seki
8. E. Richardson

Citations in the corpus

• NAC Transcription Factors, NST1 and NST3, Are Key Regulators of the Formation of Secondary Walls in Woody Tissues of Arabidopsis[W][OA] (2007, background): “Recently, two NAC domain transcription factors related to NSTs, VND6 and VND7, were shown to regulate the formation of vessel elements (Kubo et al., 2005).”
• Plant Fiber Formation: State of the Art, Recent and Expected Progress, and Open Questions (2012, background): “Functionally equivalent NAC TFs, VND6 and VND7, operate in the induction of secondary wall program in tracheary elements (Kubo et al., 2005; Zhong et al., 2010a).”
• Transcriptional regulation of secondary wall formation controlled by NAC domain proteins (2010, methodology): “Moreover, overexpression of these Arabidopsis VND6 and VND7 genes in poplar leaves also induces transdifferentiation of mesophyll and epidermal cells into metaxylem- and protoxylem-like vessel elements, respectively (Kubo et al. 2005), suggesting that molecular mechanism of xylem vessel differentiat”
• The cinnamate/monolignol pathway (2010, background): “This regulation diagram is a summary of overexpression and direct promoter activation experiments of the transcription factors in addition to their chimeric repressor silencing, double RNAi inhibition, and double T-DNA knockout experiments (Mitsuda et al. 2005; Kubo et al. 2005; Zhong et al. 2006, 2”
• SND1, a NAC Domain Transcription Factor, Is a Key Regulator of Secondary Wall Synthesis in Fibers of Arabidopsis[W] (2006, background): “Transcriptional profiling of genes differentially expressed during in vitro xylem differentiation in Zinnia (Demura et al., 2002) and Arabidopsis (Kubo et al., 2005) or during secondary growth (the formation of both secondary xylem and secondary phloem) in Arabidopsis stems and roots (Oh et al.,…”
• A Battery of Transcription Factors Involved in the Regulation of Secondary Cell Wall Biosynthesis in Arabidopsis (2008, methodology): “…NAC DOMAIN PROTEIN1 (SND1; also called NST3), VASCULAR-RELATED NAC-DOMAIN6 (VND6), and VND7, are key transcriptional regulators of secondary wall biosynthesis in various sclerenchyma cell types (Kubo et al., 2005; Mitsuda et al., 2005, 2007; Zhong et al., 2006, 2007b; Ko et al., 2007).”
• The plant vascular system: evolution, development and functions. (2013, background): “However, a single loss-of-function mutant of each gene shows no morphological defects, suggesting that other family members may have redundant functions to induce xylem differentiation, although each does not induce xylem cell differentiation when overexpressed (Kubo et al. 2005).”
• Biosynthesis and Regulation of Phenylpropanoids in Plants (2017, background): “VND6 and VND7 function in xylem vessel cell differentiation (Kubo et al., 2005).”
• Comprehending crystalline β-carotene accumulation by comparing engineered cell models and the natural carotenoid-rich system of citrus (2011, neutral): “The transcript abundance was normalized against peanut Ubiquitin (Luo et al. , 2005) transcript levels.”
• The MYB46 Transcription Factor Is a Direct Target of SND1 and Regulates Secondary Wall Biosynthesis in Arabidopsis (2007, background): “The overexpression studies of transcription factors from this and several other reports (Kubo et al., 2005; Mitsuda et al., 2005, 2007; Zhong et al., 2006; Yang et al., 2007) demonstrate that most parenchyma cells remain competent to enter the secondary wall biosynthetic program and that whether a…”
• A Bioinformatic Analysis of NAC Genes for Plant Cell Wall Development in Relation to Lignocellulosic Bioenergy Production (2009, background): “ANAC101/vascular-related NAC-domain 6 and ANAC030/VND7 act as transcriptional switches for transdifferentiation of various cells into metaxylem- and protoxylem-like vessel elements in Arabidopsis and poplar [14].”
• Genetic improvement of C4 grasses as cellulosic biofuel feedstocks (2009, background): “TFs of the NAC family appear to be cell-type-specific which activate a cascade of downstream MYB and KNAT TFs which then activate genes of the biosynthetic pathways for cellulose and hemicellulose (Kubo et al. 2005; Mitsuda et al. 2007; Zhong et al. 2008).”
• The genetics of lignin biosynthesis: connecting genotype to phenotype. (2010, background): “For instance, disruption of NST1 and SND1 in Arabidopsis leads to a loss of lignin and secondary wall thickening specifically in fibers (81, 148), whereas VND6 and VND7 are thought to function similarly in vessels (62), and the effectors lying downstream of each are largely overlapping.”
• Control of Arabidopsis root development. (2012, background): “Ectopic expression of VND6 induces ectopic metaxylem formation, whereas ectopic expression of VND7 induces ectopic protoxylem (83).”