ArticleThe Plant journal : for cell and molecular biology2008
The maize (Zea mays L.) roothairless3 gene encodes a putative GPI-anchored, monocot-specific, COBRA-like protein that significantly affects grain yield.
Article in The Plant journal : for cell and molecular biology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 79 papers.
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79 citing papers in PubMed.
- Root hair plasticity in cereals under abiotic stress.The New phytologist · 2026Review
- Genome-wide identification and expression pattern analysis of the COBRA-like gene family of Triticum aestivum (L.) under drought and heat stresses.BMC plant biology · 2026Article
- Comparative assessment of root exudation in maize: Influence of experimental setup, growth conditions and root hairs.Plant and soil · 2026Article
- The role of maize (Zea mays) radicle root hairs in seedling establishment under adverse phosphorus and water seedbed conditions.Annals of botany · 2025Article
- Responses of maize roots, rhizosphere enzyme kinetics and prokaryote diversity to alternating precipitation: insights from a three-year field study.Annals of botany · 2025Article
- On the importance of rhizosphere conductance and soil-root contact in drying soils.Annals of botany · 2025Article
- Drought response of the maize plant-soil-microbiome system is influenced by plant size and presence of root hairs.Annals of botany · 2025Article
- Analysis of candidate genes identified via genome-wide association analysis of sugar-related traits in maize kernels.The plant genome · 2025Article
- Genome-wide identification of theFrontiers in plant science · 2025Article
- Root hairs: an underexplored target for sustainable cereal crop production.Journal of experimental botany · 2024Review
- A novel root hair mutant,Frontiers in plant science · 2024Article
- Nutrient and Microbiome-Mediated Plant-Soil Feedback in Domesticated and Wild Andropogoneae: Implications for Agroecosystems.Microorganisms · 2023Article
- Self S-RNase reduces the expression of two pollen-specific COBRA genes to inhibit pollen tube growth in pear.Molecular horticulture · 2023Article
- Hybrid performance evaluation and genome-wide association analysis of root system architecture in a maize association population.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2023Article
- Novel function of a putative TaCOBL ortholog associated with cold response.Molecular biology reports · 2023Article
- Genome-Wide Analysis and Abiotic Stress-Responsive Patterns ofPlants (Basel, Switzerland) · 2023Article
- Multi-omic characterization of the maize GPI synthesis mutant gwt1 with defects in kernel development.BMC plant biology · 2023Article
- Novel insights into maize (Zea mays) development and organogenesis for agricultural optimization.Planta · 2023Review
- Recent genome resequencing paraded COBRA-Frontiers in plant science · 2023Article
- Plant Age and Soil Texture Rather Than the Presence of Root Hairs Cause Differences in Maize Resource Allocation and Root Gene Expression in the Field.Plants (Basel, Switzerland) · 2022Article
19 more citing papers are in PubMed but not listed here.
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9 authors.
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Abstract
The rth3 (roothairless 3) mutant is specifically affected in root hair elongation. We report here the cloning of the rth3 gene via a PCR-based strategy (amplification of insertion mutagenized sites) and demonstrate that it encodes a COBRA-like protein that displays all the structural features of a glycosylphosphatidylinositol anchor. Genes of the COBRA family are involved in various types of cell expansion and cell wall biosynthesis. The rth3 gene belongs to a monocot-specific clade of the COBRA gene family comprising two maize and two rice genes. While the rice (Oryza sativa) gene OsBC1L1 appears to be orthologous to rth3 based on sequence similarity (86% identity at the protein level) and maize/rice synteny, the maize (Zea mays L.) rth3-like gene does not appear to be a functional homolog of rth3 based on their distinct expression profiles. Massively parallel signature sequencing analysis detected rth3 expression in all analyzed tissues, but at relatively low levels, with the most abundant expression in primary roots where the root hair phenotype is manifested. In situ hybridization experiments confine rth3 expression to root hair-forming epidermal cells and lateral root primordia. Remarkably, in replicated field trials involving near-isogenic lines, the rth3 mutant conferred significant losses in grain yield.
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