ArticlePlant & cell physiology2014
Auxin overproduction in shoots cannot rescue auxin deficiencies in Arabidopsis roots.
Article in Plant & cell physiology, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 122 papers.
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Who cites it
122 citing papers in PubMed.
- Coordination of drought-adaptive root growth plasticity through auxin homeostasis by the ZmSPL12-ZmYUC5 module in maize.The New phytologist · 2026Article
- Genome-wide analysis of the mango YUCCA family and overexpression of MiYUCCA10A/B confers early flowering and stress tolerance in transgenic Arabidopsis and tomato.Plant cell reports · 2026Article
- Towards an integrated molecular understanding of plant hormones.Journal of integrative plant biology · 2026Review
- Acidic and Alkaline pH Stresses Impair Tomato Seed Germination and Seedling Growth via Disruption of Reactive Oxygen Species and Auxin Homeostasis.Plants (Basel, Switzerland) · 2026Article
- A genome-wide analysis of YUCCA genes in cotton and the functional study of GhYUC19 in plant development.BMC plant biology · 2026Article
- Dynamic auxin maxima regulate male-to-hermaphrodite conversion and de novo meristem formation in the fern Ceratopteris gametophytes.PLoS biology · 2026Article
- Auxin Biosynthesis, Transport, Signaling, and Its Roles in Plant Leaf Morphogenesis.Plants (Basel, Switzerland) · 2025Review
- The HD-ZIP II Transcription Factors HAT3 and ATHB4 Fine-Tune Auxin and Cytokinin Pathways During Flower Development.Plants (Basel, Switzerland) · 2025Article
- Comparative transcriptomics reveal contrasting strategies between a fungal plant pathogen and an endophyte during initial host colonization.Microbiology spectrum · 2025Article
- Enhanced auxin signaling promotes root-hair growth at moderately low temperature in Arabidopsis thaliana.Plant communications · 2025Article
- Beware of Sealing Film of Petri Dishes!-Alters the Expression of a Large Number of Genes.International journal of molecular sciences · 2025Article
- PtrSAUR32 Interacts with PtrPP2C.Ds to Regulate Root Growth in Citrus.Plants (Basel, Switzerland) · 2025Article
- Nodule organogenesis in Medicago truncatula requires local stage-specific auxin biosynthesis and transport.Plant physiology · 2025Article
- Auxin Controls Root Gravitropic Response by Affecting Starch Granule Accumulation and Cell Wall Modification in Tomato.Plants (Basel, Switzerland) · 2025Article
- Endogenous cAMP elevation inPlant signaling & behavior · 2024Article
- Exogenous application of the apocarotenoid retinaldehyde negatively regulates auxin-mediated root growth.Plant physiology · 2024Article
- Single-cell network analysis reveals gene expression programs for Arabidopsis root development and metabolism.Plant communications · 2024Article
- Transcriptomic profiling and gene network analysis revealed regulatory mechanisms of bract development in Bougainvillea glabra.BMC plant biology · 2024Article
- PINOID-centered genetic interactions mediate auxin action in cotyledon formation.Plant direct · 2024Review
- QTL Detection and Candidate Gene Identification for Eating and Cooking Quality Traits in Rice (International journal of molecular sciences · 2024Article
62 more citing papers are in PubMed but not listed here.
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8 authors.
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Abstract
Auxin plays an essential role in root development. It has been a long-held dogma that auxin required for root development is mainly transported from shoots into roots by polarly localized auxin transporters. However, it is known that auxin is also synthesized in roots. Here we demonstrate that a group of YUCCA (YUC) genes, which encode the rate-limiting enzymes for auxin biosynthesis, plays an essential role in Arabidopsis root development. Five YUC genes (YUC3, YUC5, YUC7, YUC8 and YUC9) display distinct expression patterns during root development. Simultaneous inactivation of the five YUC genes (yucQ mutants) leads to the development of very short and agravitropic primary roots. The yucQ phenotypes are rescued by either adding 5 nM of the natural auxin, IAA, in the growth media or by expressing a YUC gene in the roots of yucQ. Interestingly, overexpression of a YUC gene in shoots in yucQ causes the characteristic auxin overproduction phenotypes in shoots; however, the root defects of yucQ are not rescued. Our data demonstrate that localized auxin biosynthesis in roots is required for normal root development and that auxin transported from shoots is not sufficient for supporting root elongation and root gravitropic responses.
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