ArticlePlant physiology2005
The roothairless1 gene of maize encodes a homolog of sec3, which is involved in polar exocytosis.
Article in Plant physiology, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 87 papers.
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87 citing papers in PubMed, 177 citations in OpenAlex.
- Root hair plasticity in cereals under abiotic stress.The New phytologist · 2026Review
- Genome-wide association study and genomic prediction of root system architecture in a diverse field-grown maize panel.Frontiers in plant science · 2026Article
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- Root hairs: an underexplored target for sustainable cereal crop production.Journal of experimental botany · 2024Review
- RHO OF PLANTS signalling and the activating ROP GUANINE NUCLEOTIDE EXCHANGE FACTORS: specificity in cellular signal transduction in plants.Journal of experimental botany · 2024Review
- Novel insights into maize (Zea mays) development and organogenesis for agricultural optimization.Planta · 2023Review
- Narrowing down molecular targets for improving phosphorus-use efficiency in maize (Zea mays L.).Molecular biology reports · 2022Review
- Regulation of Phytohormones on the Growth and Development of Plant Root Hair.Frontiers in plant science · 2022Review
- Plant Foraging Strategies Driven by Distinct Genetic Modules: Cross-Ecosystem Transcriptomics Approach.Frontiers in plant science · 2022Article
- Whole Exome Sequencing-Based Identification of a Novel Gene Involved in Root Hair Development in Barley (International journal of molecular sciences · 2021Article
- Genome-wide association study reveals the genetic architecture of root hair length in maize.BMC genomics · 2021Article
- Functional Specialization within the EXO70 Gene Family in Arabidopsis.International journal of molecular sciences · 2021Article
- Wheat root systems as a breeding target for climate resilience.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Review
- Exocyst subunit Exo70B2 is linked to immune signaling and autophagy.The Plant cell · 2021Article
- The prohibitins (PHB) gene family in tomato: Bioinformatic identification and expression analysis under abiotic and phytohormone stresses.GM crops & food · 2021Article
- Extensins: Self-Assembly, Crosslinking, and the Role of Peroxidases.Frontiers in plant science · 2021Review
- Genetic variation in ZmTIP1 contributes to root hair elongation and drought tolerance in maize.Plant biotechnology journal · 2020Article
- Shared Genetic Control of Root System Architecture betweenPlant physiology · 2020Article
- Nuclear Prohibitin3 Maintains Genome Integrity and Cell Proliferation in the Root Meristem through Minichromosome Maintenance 2.Plant physiology · 2019Article
- Article
27 more citing papers are in PubMed but not listed here.
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Authors and funding
5 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The roothairless1 (rth1) mutant is impaired in root hair elongation and exhibits other growth abnormalities. Unicellular root hairs elongate via localized tip growth, a process mediated by polar exocytosis of secretory vesicles. We report here the cloning of the rth1 gene that encodes a sec3 homolog. In yeast (Saccharomyces cerevisiae) and mammals, sec3 is a subunit of the exocyst complex, which tethers exocytotic vesicles prior to their fusion. The cloning of the rth1 gene associates the homologs of exocyst subunits to an exocytotic process in plant development and supports the hypothesis that exocyst-like proteins are involved in plant exocytosis. Proteomic analyses identified four proteins that accumulate to different levels in wild-type and rth1 primary roots. The preferential accumulation in the rth1 mutant proteome of a negative regulator of the cell cycle (a prohibitin) may at least partially explain the delayed development and flowering of the rth1 mutant.
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