DWARF10 , an RMS1/MAX4/DAD1 ortholog, controls lateral bud outgrowth in rice
Open accessAbstract
Plant architecture is mostly determined by shoot branching patterns. Apical dominance is a well-known control mechanism in the development of branching patterns, but little is known regarding its role in monocots such as rice. Here, we show that the concept of apical dominance can be applied to tiller bud outgrowth of rice. In dwarf10 (d10), an enhanced branching mutant of rice, apical dominance can be observed, but the inhibitory effects of the apical meristem was reduced. D10 is a rice ortholog of MAX4/RMS1/DAD1 that encodes a carotenoid cleavage dioxygenase 8 and is supposed to be involved in the synthesis of an unidentified inhibitor of shoot branching. D10 expression predominantly occurs in vascular cells in most organs. Real-time polymerase chain reaction analysis revealed that accumulation of D10 mRNA is induced by exogenous auxin. Moreover, D10 expression is upregulated in six branching mutants, d3, d10, d14, d17, d27 and high tillering dwarf (htd1). No such effects were found for D3 or HTD1, the MAX2 and MAX3 orthologs, respectively, of rice. These findings imply that D10 transcription might be a critical step in the regulation of the branching inhibitor pathway. In addition, we present observations that suggest that FINE CULM1 (FC1), a rice ortholog of teosinte branched 1 (tb1), possibly works independently of the branching inhibitor pathway.
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In rice, the fc1 mutant is less affected in height and tiller number than dwarf SL mutants.
“In rice, the fc1 mutant is also less affected in height and in tiller number than the dwarf (d) SL mutants (Arite et al., 2007).”
From The Pea TCP Transcription Factor PsBRC1 Acts Downstream of Strigolactones to Control Shoot Branching (2012) · cites this paper as Arite et al., 2007
In rice, D10 expression was not increased in the fc1 mutant, whereas it was highly expressed in other SL-related mutants.
“Similarly, in rice, D10 expression was not increased in the fc1 mutant, whereas it was highly expressed in other SL-related mutants (Arite et al., 2007;Minakuchi et al., 2010).”
From The Pea TCP Transcription Factor PsBRC1 Acts Downstream of Strigolactones to Control Shoot Branching (2012) · cites this paper as Arite et al., 2007
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Cites
<i>MAX1</i> and <i>MAX2</i> control shoot lateral branching in <i>Arabidopsis</i>
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Apical Dominance and Shoot Branching. Divergent Opinions or Divergent Mechanisms?
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- Tomotsugu Arite et al. ª 2007 The Authors Journal compilation ª 2007 Blackwell Publishing Ltd, The Plant Journal, (2007), 51, 1019-1029 1365313x, 2007, 6, Downloaded from https://onlinelibrary.wiley.com/doi/10.1111/j.1365-313X.2007.03210.x, Wiley Online Library on [18/08/2023]. See the Terms and Conditions (https://onlinelibrary.wiley.com/terms-and-conditions) on Wiley Online Library for rules of use; OA articles are governed by the applicable Creative Commons License
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The Pea TCP Transcription Factor PsBRC1 Acts Downstream of Strigolactones to Control Shoot Branching
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“…in several species and named MAX3 and MAX4 in Arabidopsis (Sorefan et al., 2003; Booker et al., 2004), RMS5 and RMS1 in pea (Sorefan et al., 2003; Johnson et al., 2006), D17 and D10 in rice (Ishikawa et al., 2005; Arite et al., 2007; Alder et al., 2012), and DAD1 in petunia (Snowden et al., 2005).”
BackgroundWaters, M. T., Brewer, P. B., Bussell, J. D., Smith, S. M., & Beveridge, C. A. (2012) · Plant Physiology · doi:10.1104/pp.112.196253 · Cited by 232 · see citing works
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Pea has its tendrils in branching discoveries spanning a century from auxin to strigolactones
Beveridge, C. A., Dun, E. A., & Rameau, C. (2009) · Plant Physiology · doi:10.1104/pp.109.143909 · Cited by 79 · see citing works
Overexpression of the maize Teosinte Branched1 gene in wheat suppresses tiller development
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- Authors
- Arite, T., Iwata, H., Ohshima, K., Maekawa, M., Nakajima, M., Kojima, M., Sakakibara, H., & Kyozuka, J.
- Affiliations
- The University of Tokyo (JP)
- Okayama University (JP)
- RIKEN (JP)
- Corresponding author
- Kyozuka, Junko
- Venue
- The Plant Journal
- Publisher
- Wiley
- Published
- 2007-08-07
- Volume
- 51
- Issue
- 6
- Pages
- 1019-1029
- ISSN
- 0960-7412 (ISSN-L)
- 1365-313X
- OpenAlex
- W1551141965
- Cited by
- 618
- References
- 9
- Citations by year
- 2026: 21 · 2025: 24 · 2024: 33 · 2023: 35 · 2022: 52 · 2021: 35 · 2020: 39 · 2019: 50 · 2018: 41 · 2017: 38 · 2016: 21 · 2015: 30 · 2014: 26 · 2013: 30 · 2012: 37
- FWCI
- 32.81
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- The Plant Journal (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Molecular Biology Research
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Parasitism and Resistance
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Genetic and Mutation Studies
- Keywords
- DAD1, apical dominance, shoot branching, auxin, plant architecture, rice
- MeSH terms
- Cloning, Molecular, Indoleacetic Acids, Mutation, Plant Proteins, Oryza, Transcription, Genetic, Polymerase Chain Reaction, Plant Shoots, Feedback, Physiological, Dioxygenases
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