The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
BLADE-ON-PETIOLE1 and 2 Control Arabidopsis Lateral Organ Fate through Regulation of LOB Domain and Adaxial-Abaxial Polarity Genes
Open accessAbstract
We report a novel function for BLADE-ON-PETIOLE1 (BOP1) and BOP2 in regulating Arabidopsis thaliana lateral organ cell fate and polarity, through the analysis of loss-of-function mutants and transgenic plants that ectopically express BOP1 or BOP2. 35S:BOP1 and 35S:BOP2 plants exhibit a very short and compact stature, hyponastic leaves, and downward-orienting siliques. We show that the LATERAL ORGAN BOUNDARIES (LOB) domain genes ASYMMETRIC LEAVES2 (AS2) and LOB are upregulated in 35S:BOP and downregulated in bop mutant plants. Ectopic expression of BOP1 or BOP2 also results in repression of class I knox gene expression. We further demonstrate a role for BOP1 and BOP2 in establishing the adaxial-abaxial polarity axis in the leaf petiole, where they regulate PHB and FIL expression and overlap in function with AS1 and AS2. Interestingly, during this study, we found that KANADI1 (KAN1) and KAN2 act to promote adaxial organ identity in addition to their well-known role in promoting abaxial organ identity. Our data indicate that BOP1 and BOP2 act in cells adjacent to the lateral organ boundary to repress genes that confer meristem cell fate and induce genes that promote lateral organ fate and polarity, thereby restricting the developmental potential of the organ-forming cells and facilitating their differentiation.
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Cites
Radial Patterning of Arabidopsis Shoots by Class III HD-ZIP and KANADI Genes
Emery, J. F., Floyd, S. K., Alvarez, J., Eshed, Y., Hawker, N. P., Izhaki, A., Baum, S. F., & Bowman, J. L. (2003) · Current Biology · doi:10.1016/j.cub.2003.09.035 · Cited by 1,143
BLADE-ON-PETIOLE–Dependent Signaling Controls Leaf and Floral Patterning in Arabidopsis
Hepworth, S. R., Zhang, Y., McKim, S., Li, X., & Haughn, G. W. (2005) · The Plant Cell · doi:10.1105/tpc.104.030536 · Cited by 351 · cited 10×
“Expression of both BOP1 and BOP2 is detected at the base of flowers, including the pedicel (Ha et al., 2003; Hepworth et al., 2005; Norberg et al., 2005), and BOP1:GUS is expressed in nodes and stems (C.”
BackgroundInfluentialThe BLADE ON PETIOLE genes act redundantly to control the growth and development of lateral organs
Norberg, M., Holmlund, M., & Nilsson, O. (2005) · Development · doi:10.1242/dev.01815 · Cited by 245
Cited by
Twenty years on: The inner workings of the shoot apical meristem, a developmental dynamo
Barton, M. K. (2010) · Developmental Biology · doi:10.1016/j.ydbio.2009.11.029 · Cited by 372
Backer, R., Naidoo, S., & van den Berg, N. (2019) · Frontiers in Plant Science · doi:10.3389/fpls.2019.00102 · Cited by 323
Defining the boundaries: structure and function of LOB domain proteins
Majer, C., & Hochholdinger, F. (2011) · Trends in Plant Science · doi:10.1016/j.tplants.2010.09.009 · Cited by 272
Xu, X., Crow, M., Rice, B. R., Li, F., Harris, B., Liu, L., Demesa-Arevalo, E., Lu, Z., Wang, L., Fox, N., et al. (2021) · Developmental Cell · doi:10.1016/j.devcel.2020.12.015 · Cited by 264
Couzigou, J.-M., Zhukov, V., Mondy, S., Abu el Heba, G., Cosson, V., Ellis, T. H. N., Ambrose, M., Wen, J., Tadege, M., Tikhonovich, I., et al. (2012) · The Plant Cell · doi:10.1105/tpc.112.103747 · Cited by 145
Metadata
- Authors
- Ha, C. M., Jun, J. H., Nam, H. G., & Fletcher, J. C.
- Venue
- The Plant Cell
- Publisher
- Oxford University Press (OUP)
- Published
- 2007-06-01
- Volume
- 19
- Issue
- 6
- Pages
- 1809-1825
- ISSN
- 1040-4651 (ISSN-L)
- 1532-298X
- OpenAlex
- W2123546461
- Cited by
- 186
- References
- 3
- FWCI
- 13.09
- Type
- journal article
- Language
- en
- Open access
- green
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- Ha, C. M., Jun, J. H., Nam, H. G., & Fletcher, J. C. (2007). BLADE-ON-PETIOLE1 and 2 Control Arabidopsis Lateral Organ Fate through Regulation of LOB Domain and Adaxial-Abaxial Polarity Genes. The Plant Cell. https://doi.org/10.1105/tpc.107.051938
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