The DOI matches its Crossref record; 72 of the 72 references it cites were found in a registry or an index.
BLADE-ON-PETIOLE–Dependent Signaling Controls Leaf and Floral Patterning in Arabidopsis
Open accessAbstract
NONEXPRESSOR OF PR GENES1 (NPR1) is a key regulator of the plant defense response known as systemic acquired resistance. Accumulation of the signal molecule salicylic acid (SA) leads to a change in intracellular redox potential, enabling NPR1 to enter the nucleus and interact with TGACG sequence-specific binding protein (TGA) transcription factors, which in turn bind to SA-responsive elements in the promoters of defense genes. Here, we show that two NPR1-like genes, BLADE-ON-PETIOLE1 (BOP1) and BOP2, function redundantly to control growth asymmetry, an important aspect of patterning in leaves and flowers. Phenotypes in the double mutant include leafy petioles, loss of floral organ abscission, and asymmetric flowers subtended by a bract. We demonstrate that BOP2 is localized to both the nucleus and the cytoplasm, but unlike NPR1, it is highly expressed in young floral meristems and in yeast interacts preferentially with the TGA transcription factor encoded by PERIANTHIA (PAN). In support of a biological relevance for this interaction, we show that bop1 bop2 and pan mutants share a pentamerous arrangement of first whorl floral organs, a patterning defect that is retained in bop1 bop2 pan triple mutants. Our data provide evidence that BOP proteins control patterning via direct interactions with TGA transcription factors and demonstrate that a signaling mechanism similar to that formally associated with plant defense is likely used for the control of developmental patterning.
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“Both bop1 and bop2 mutants display defects in inflorescence development, as they frequently form fused inflorescences and generate multiple flowers from the same node (Hepworth et al., 2005;Ha et al., 2007).”
From Divide et impera: boundaries shape the plant body and initiate new meristems (2016) · cites this paper as Hepworth et al., 2005
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Cites
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MYB transcription factors in Arabidopsis
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Local, Efflux-Dependent Auxin Gradients as a Common Module for Plant Organ Formation
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Foyer, C. H., & Noctor, G. (2008) · Antioxidants and Redox Signaling · doi:10.1089/ars.2008.2177 · Cited by 1,468
The Cullin-RING Ubiquitin-Protein Ligases
Hua, Z., & Vierstra, R. D. (2011) · Annual Review of Plant Biology · doi:10.1146/annurev-arplant-042809-112256 · Cited by 523
Li, F., Wu, X., Lam, P. M. W., Bird, D. A., Zheng, H., Samuels, L., Jetter, R., & Kunst, L. (2008) · PLANT PHYSIOLOGY · doi:10.1104/pp.108.123471 · Cited by 454
MECHANISM OF LEAF-SHAPE DETERMINATION
Tsukaya, H. (2006) · Annual Review of Plant Biology · doi:10.1146/annurev.arplant.57.032905.105320 · Cited by 383
Stenvik, G., Tandstad, N. M., Guo, Y., Shi, C., Kristiansen, W., Holmgren, A., Clark, S. E., Aalen, R. B., & Butenko, M. A. (2008) · The Plant Cell · doi:10.1105/tpc.108.059139 · Cited by 341
Metadata
- Authors
- Hepworth, S. R., Zhang, Y., McKim, S., Li, X., & Haughn, G. W.
- Affiliations
- University of British Columbia (CA)
- Venue
- The Plant Cell
- Publisher
- Oxford University Press (OUP)
- Published
- 2005-04-01
- Volume
- 17
- Issue
- 5
- Pages
- 1434-1448
- ISSN
- 1040-4651 (ISSN-L)
- 1532-298X
- OpenAlex
- W2153891726
- Cited by
- 351
- References
- 72
- Citations by year
- 2026: 14 · 2025: 18 · 2024: 14 · 2023: 23 · 2022: 18 · 2021: 32 · 2020: 13 · 2019: 17 · 2018: 18 · 2017: 14 · 2016: 12 · 2015: 21 · 2014: 14 · 2013: 14 · 2012: 21
- FWCI
- 15.24
- Type
- journal article
- Language
- en
- Open access
- green
- dx.doi.org
- Locations
- The Plant Cell (publishedVersion)
- PubMed (publishedVersion)
- PubMed Central (publishedVersion)
- Funders
- University of British Columbia
- Directorate for Biological Sciences
- Microscopy Imaging Center, University of Bern
- Natural Sciences and Engineering Research Council of Canada
- Topics
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Molecular Biology Research
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Developmental Biology and Gene Regulation
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Parasitism and Resistance
- Keywords
- TGA transcription factors, floral organ patterning, floral meristem, floral organ abscission, bracts, plant defense signaling, salicylic acid, redox signaling, Arabidopsis thaliana
- MeSH terms
- Cell Nucleus, Cytoplasm, Molecular Sequence Data, Mutation, Phylogeny, Sequence Homology, Nucleic Acid, Transcription Factors, Signal Transduction, Arabidopsis, Gene Expression Regulation, Plant, Plant Leaves, Arabidopsis Proteins, Flowers, Regulatory Elements, Transcriptional
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