Cited by 383Plant Molecular Biology ResearchPlant Parasitism and ResistancePlant Genetic and Mutation Studies

The interaction between OsMADS57 and OsTB1 modulates rice tillering via DWARF14

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Guo, Siyi, Xu, Yunyuan, Liu, Huanhuan, Mao, Zhiwei, Zhang, Cui, Ma, Yan, Zhang, Qirui, Meng, Zheng +1 more·2013·Nature Communications

Abstract

Rice tillering is a multigenic trait that influences grain yield, but its regulation molecular module is poorly understood. Here we report that OsMADS57 interacts with OsTB1 (TEOSINTE BRANCHED1) and targets D14 (Dwarf14) to control the outgrowth of axillary buds in rice. An activation-tagged mutant osmads57-1 and OsMADS57-overexpression lines showed increased tillers, whereas OsMADS57 antisense lines had fewer tillers. OsMIR444a-overexpressing lines exhibited suppressed OsMADS57 expression and tillering. Furthermore, osmads57-1 was insensitive to strigolactone treatment to inhibit axillary bud outgrowth, and OsMADS57’s function in tillering was dependent on D14. D14 expression was downregulated in osmads57-1, but upregulated in antisense and OsMIR444a-overexpressing lines. OsMADS57 bound to the CArG motif [C(A/T)TTAAAAAG] in the promoter and directly suppressed D14 expression. Interaction of OsMADS57 with OsTB1 reduced OsMADS57 inhibition of D14 transcription. Therefore, OsMIR444a-regulated OsMADS57, together with OsTB1, target D14 to control tillering. This regulation mechanism could have important application in rice molecular breeding programs focused on high grain yield. Tillering is a multigenic complex trait that influences grain yield in cereal; however, the molecular network for its regulation remains unclear. Guo et al.show that OsMADS57, a transcription factor controlled by miR444a, interacts with OsTEOSINTE BRANCHED1 and targets DWARF14 to control tillering in rice.

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  • TB1/BRC1 directly interacts with OsMADS57 protein and inactivates OsMADS57.

    “TB1/BRC1 in turn directly interacts with the OsMADS57 protein and, thereby, inactivates OsMADS57.”

    From Shaping plant architecture (2015) · cites this paper as Guo et al., 2013

    The Results section, “Transcription activity of OsMADS57 was affected by OsTB1” (Fig. 6), reports a direct interaction between OsTB1 and OsMADS57. It says the interaction partially relieves OsMADS57’s repression of D14 transcription, not that it inactivates OsMADS57 altogether. No page number is provided in our copy. (LLM, conf=0.89)

    Experimental — accuracy not yet measured
  • OsMADS57 is a transcriptional repressor that down-regulates expression of the SL receptor DWARF14.

    “OsMADS57 is a transcriptional repressor that down-regulates expression of the SL receptor DWARF14.”

    From Shaping plant architecture (2015) · cites this paper as Guo et al., 2013

  • In monocots, TB1 may have a different mode of action than in dicots.

    “Investigations by Guo et al. (2013) indicate that in monocots, TB1 may have a different mode of action than in dicots and may explain why rice OsTB1 overproducers do not show growth depression.”

    From Shaping plant architecture (2015) · cites this paper as Guo et al., 2013

    The Results section, “Transcription activity of OsMADS57 was affected by OsTB1” (page unavailable), describes how OsTB1 interacts with OsMADS57 in rice. Our copy does not compare TB1’s mode of action in monocots and dicots or address growth depression in rice OsTB1 overproducers; searches for those comparisons and phenotypes found no supporting passage. (LLM, conf=0.72)

    Experimental — accuracy not yet measured

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Authors
Guo, S., Xu, Y., Liu, H., Mao, Z., Zhang, C., Ma, Y., Zhang, Q., Meng, Z., & Chong, K.
Affiliations
Chinese Academy of Sciences (CN)
Corresponding author
Chong, Kang
Venue
Nature Communications
Published
2013-03-05
Volume
4
Issue
1
Pages
1566-1566
ISSN
2041-1723 (ISSN-L)
OpenAlex
W2131952991
Cited by
367
References
58
Citations by year
2026: 30 · 2025: 34 · 2024: 28 · 2023: 34 · 2022: 30 · 2021: 35 · 2020: 45 · 2019: 35 · 2018: 21 · 2017: 19 · 2016: 14 · 2015: 22 · 2014: 11 · 2013: 8
FWCI
22.14
Type
journal article
Language
en
Open access
Locations
  • Nature Communications (publishedVersion, cc-by-nc-nd)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
  • Institute of Botany, CAS Institutional Repository (submittedVersion)
Funders
  • Purdue University
  • National Natural Science Foundation of China (31121065)
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
rice tillering, TEOSINTE BRANCHED1, axillary bud outgrowth, strigolactone signaling, transcriptional repression, grain yield, transcription factor interaction
MeSH terms
Base Sequence, Molecular Sequence Data, Mutation, Phenotype, Plant Proteins, Promoter Regions, Genetic, Protein Binding, Repressor Proteins, Oryza, Transcription, Genetic, Gene Expression Regulation, Plant, Genome, Plant, Oligonucleotide Array Sequence Analysis, Two-Hybrid System Techniques, Gene Expression Profiling, MADS Domain Proteins, Plants, Genetically Modified, Flowers, MicroRNAs

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