ArticleBMC plant biology2021
Conserved and non-conserved functions of the rice homologs of the Arabidopsis trichome initiation-regulating MBW complex proteins.
Article in BMC plant biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 6 papers.
What it found
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Who cites it
6 citing papers in PubMed, 21 citations in OpenAlex.
- Plant Genetic Engineering: Technological Pathways, Application Scenarios, and Future Directions.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Review
- A comparative framework for trichome and trichome-derived epidermal appendage development across model glycophytes and halophytes.Plant cell reports · 2026Review
- Accumulation patterns of anthocyanin and γ-oryzanol during black rice grain development.PloS one · 2024Article
- Genome-Wide Analysis of Anthocyanin Biosynthesis Regulatory WD40 GeneFrontiers in plant science · 2022Article
- RrTTG1 promotes fruit prickle development through an MBW complex inFrontiers in plant science · 2022Article
- Correction to: Conserved and non‑conserved functions of the rice homologs of the Arabidopsis trichome initiation‑regulating MBW complex proteins.BMC plant biology · 2021Article
Corrections and comments
- Erratum issued
Authors and funding
4 authors at 2 institutions in 1 country.
Funding
Abstract
backgroundTrichome initiation in Arabidopsis is regulated by a MYB-bHLH-WD40 (MBW) transcriptional activator complex formed by the R2R3 MYB transcription factor GLABRA1 (GL1), MYB23 or MYB82, the bHLH transcription factor GLABRA3 (GL3), ENHANCER OF GLABRA3 (EGL3) or TRANSPARENT TESTA8 (TT8), and the WD40-repeat protein TRANSPARENT TESTA GLABRA1 (TTG1). However, the functions of the rice homologs of the MBW complex proteins remained uncharacterized.
resultsBased on amino acid sequence identity and similarity, and protein interaction prediction, we identified OsGL1s, OsGL3s and OsTTG1s as rice homologs of the MBW complex proteins. By using protoplast transfection, we show that OsGL1D, OsGL1E, OsGL3B and OsTTG1A were predominantly localized in the nucleus, OsGL3B functions as a transcriptional activator and is able to interact with GL1 and TTG1. By using yeast two-hybrid and protoplast transfection assays, we show that OsGL3B is able to interact with OsGL1E and OsTTG1A, and OsGL1E and OsTTG1A are also able to interact with GL3. On the other hand, we found that OsGL1D functions as a transcription activator, and it can interact with GL3 but not OsGL3B. Furthermore, our results show that expression of OsTTG1A in the ttg1 mutant restored the phenotypes including alternations in trichome and root hair formation, seed color, mucilage production and anthocyanin biosynthesis, indicating that OsTTG1A and TTG1 may have similar functions.
conclusionThese results suggest that the rice homologs of the Arabidopsis MBW complex proteins are able to form MBW complexes, but may have conserved and non-conserved functions.
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