ArticleThe New phytologist2014
AtMYB93 is a novel negative regulator of lateral root development in Arabidopsis.
Article in The New phytologist, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 45 papers.
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45 citing papers in PubMed, 107 citations in OpenAlex.
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- GmMYB93 increases aroma formation in soybean by inhibiting the expression of a betaine aldehyde dehydrogenase gene.aBIOTECH · 2025Article
- Comparative RNA sequencing-based transcriptome profiling of Quercur robur: specific sets of genes involved in taproot and lateral roots emergence.Tree physiology · 2025Article
- Unveiling the regulatory mechanisms of nodules development and quality formation in Panax notoginseng using multi-omics and MALDI-MSI.Journal of advanced research · 2025Article
- MYB transcription factors, their regulation and interactions with non-coding RNAs during drought stress in Brassica juncea.BMC plant biology · 2024Article
- Shaping root architecture: towards understanding the mechanisms involved in lateral root development.Biology direct · 2024Review
- Analyzing the Diversity of MYB Family Response Strategies to Drought Stress in Different Flax Varieties Based on Transcriptome Data.Plants (Basel, Switzerland) · 2024Article
- Article
- A suberized exodermis is required for tomato drought tolerance.Nature plants · 2024Article
- Genome- and transcriptome-wide identification of trehalose-6-phosphate phosphatases (TPP) gene family and their expression patterns under abiotic stress and exogenous trehalose in soybean.BMC plant biology · 2023Article
- Functional diversity of subgroup 5 R2R3-MYBs promoting proanthocyanidin biosynthesis and their key residues and motifs in tea plant.Horticulture research · 2023Article
- DELLA proteins regulate spore germination and reproductive development in Physcomitrium patens.The New phytologist · 2023Article
- Transcriptional networks regulating suberin and lignin in endodermis link development and ABA response.Plant physiology · 2022Article
- Transcriptome-guided annotation and functional classification of long non-coding RNAs in Arabidopsis thaliana.Scientific reports · 2022Article
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Authors and funding
15 authors at 2 institutions in 1 country.
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Abstract
Plant root system plasticity is critical for survival in changing environmental conditions. One important aspect of root architecture is lateral root development, a complex process regulated by hormone, environmental and protein signalling pathways. Here we show, using molecular genetic approaches, that the MYB transcription factor AtMYB93 is a novel negative regulator of lateral root development in Arabidopsis. We identify AtMYB93 as an interaction partner of the lateral-root-promoting ARABIDILLO proteins. Atmyb93 mutants have faster lateral root developmental progression and enhanced lateral root densities, while AtMYB93-overexpressing lines display the opposite phenotype. AtMYB93 is expressed strongly, specifically and transiently in the endodermal cells overlying early lateral root primordia and is additionally induced by auxin in the basal meristem of the primary root. Furthermore, Atmyb93 mutant lateral root development is insensitive to auxin, indicating that AtMYB93 is required for normal auxin responses during lateral root development. We propose that AtMYB93 is part of a novel auxin-induced negative feedback loop stimulated in a select few endodermal cells early during lateral root development, ensuring that lateral roots only develop when absolutely required. Putative AtMYB93 homologues are detected throughout flowering plants and represent promising targets for manipulating root systems in diverse crop species.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.