ArticlePlant physiology2022
The BTB protein MdBT2 recruits auxin signaling components to regulate adventitious root formation in apple.
Article in Plant physiology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 33 citations in OpenAlex.
- Plant BTB (Broad-Complex, Tramtrack, and Bric-à-Brac) Proteins: Structural Features, Biological Functions, and Roles in Stress Responses.Plants (Basel, Switzerland) · 2026Review
- Hormone functions in adventitious root formation during cutting propagation of woody plants.Journal of plant research · 2025Review
- Adventitious Root Formation in Cuttings: Insights fromBiomolecules · 2025Review
- MhIDA small peptides modulate the growth and development of roots in Malus hupehensis.Plant cell reports · 2025Article
- SmCSN5 is a synergist in the transcription factor SmMYB36-mediated biosynthesis of tanshinones and phenolic acids inHorticulture research · 2025Article
- Protein degradation in auxin response.The Plant cell · 2024Review
- Genome-wide identification, structural and gene expression analysis of BTB gene family in soybean.BMC plant biology · 2024Article
- Bioinformatic Analysis of the BTB Gene Family inPlants (Basel, Switzerland) · 2023Article
- Cytokinin-responsive MdTCP17 interacts with MdWOX11 to repress adventitious root primordium formation in apple rootstocks.The Plant cell · 2023Article
- Integrated transgene and transcriptome reveal the molecular basis ofFrontiers in plant science · 2023Article
- Roles of Auxin in the Growth, Development, and Stress Tolerance of Horticultural Plants.Cells · 2022Review
- Mining key genes related to root morphogenesis through genome-wide identification and expression analysis ofFrontiers in plant science · 2022Article
- Shading Influences the Adventitious Root Development of Winter Tea Cuttings Through Regulating Phytohormone Metabolism.Physiologia plantarumArticle
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Ubiquitination is an important post-translational protein modification. Although BROAD-COMPLEX, TRAMTRACK AND BRIC A BRAC and TRANSCRIPTION ADAPTOR PUTATIVE ZINC FINGER domain protein 2 (BT2) is involved in many biological processes, its role in apple (Malus domestic) root formation remains unclear. Here, we revealed that MdBT2 inhibits adventitious root (AR) formation through interacting with AUXIN RESPONSE FACTOR8 (MdARF8) and INDOLE-3-ACETIC ACID INDUCIBLE3 (MdIAA3). MdBT2 facilitated MdARF8 ubiquitination and degradation through the 26S proteasome pathway and negatively regulated GRETCHEN HAGEN 3.1 (MdGH3.1) and MdGH3.6 expression. MdARF8 regulates AR formation through inducing transcription of MdGH3s (MdGH3.1, MdGH3.2, MdGH3.5, and MdGH3.6). In addition, MdBT2 facilitated MdIAA3 stability and slightly promoted its interaction with MdARF8. MdIAA3 inhibited AR formation by forming heterodimers with MdARF8 as well as other MdARFs (MdARF5, MdARF6, MdARF7, and MdARF19). Our findings reveal that MdBT2 acts as a negative regulator of AR formation in apple.
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