ArticleGenes & development2001
The chimeric leucine-rich repeat/extensin cell wall protein LRX1 is required for root hair morphogenesis in Arabidopsis thaliana.
Article in Genes & development, 2001. 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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122 citing papers in PubMed, 275 citations in OpenAlex.
- Glucose-TOR Signaling Regulates Root Hair Elongation inPlants (Basel, Switzerland) · 2026Article
- Article
- Leucine-Rich Repeat Extension 7 Gene Confers Cotton Resistance to Verticillium Wilt.International journal of molecular sciences · 2026Article
- Root cell wall plasticity in iron homeostasis: an overlooked frontier in plant nutrition.The New phytologist · 2026Review
- The function of the Arabidopsis receptor kinase THESEUS1 in plant cell wall integrity maintenance: from evolutionary origin to future perspectives.The Plant journal : for cell and molecular biology · 2026Review
- The Arabidopsis phosphatase PP2C12 negatively regulates LRX-RALF-FER-mediated cell wall integrity sensing.The EMBO journal · 2026Article
- Study of Function and Regulatory Factors ofPlants (Basel, Switzerland) · 2025Article
- Histidine limitation alters plant development and influences the TOR network.Journal of experimental botany · 2025Article
- Defense-related callose synthase PMR4 promotes root hair callose deposition and adaptation to phosphate deficiency in Arabidopsis thaliana.The Plant journal : for cell and molecular biology · 2024Article
- Genome-wide identification and characterization of the LRX gene family in grapevine (Vitis vinifera L.) and functional characterization of VvLRX7 in plant salt response.BMC genomics · 2024Article
- Reference-based genome assembly and comparative genomics of Calamus Brandisii Becc. for unveiling sex-specific genes for early gender detection.Functional & integrative genomics · 2024Article
- Arabinosylation of cell wall extensin is required for the directional response to salinity in roots.The Plant cell · 2024Article
- The plant cell wall-dynamic, strong, and adaptable-is a natural shapeshifter.The Plant cell · 2024Review
- Physiology, genomics, and evolutionary aspects of desert plants.Journal of advanced research · 2024Review
- Article
- Rapid alkalinization factor 22 has a structural and signalling role in root hair cell wall assembly.Nature plants · 2024Article
- Growth-inhibiting effects of the unconventional plant APYRASE 7 of Arabidopsis thaliana influences the LRX/RALF/FER growth regulatory module.PLoS genetics · 2024Article
- Emerging Roles of Receptor-like Protein Kinases in Plant Response to Abiotic Stresses.International journal of molecular sciences · 2023Review
- OsPEX1, an extensin-like protein, negatively regulates root growth in a gibberellin-mediated manner in rice.Plant molecular biology · 2023Article
- Class III Peroxidases PRX01, PRX44, and PRX73 Control Root Hair Growth inInternational journal of molecular sciences · 2022Article
62 more citing papers are in PubMed but not listed here.
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Authors and funding
3 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
In plants, the cell wall is a major determinant of cell morphogenesis. Cell enlargement depends on the tightly regulated expansion of the wall, which surrounds each cell. However, the qualitative and quantitative mechanisms controlling cell wall enlargement are still poorly understood. Here, we report the molecular and functional characterization of LRX1, a new Arabidopsis gene that encodes a chimeric leucine-rich repeat/extensin protein. LRX1 is expressed in root hair cells and the protein is specifically localized in the wall of the hair proper, where it becomes insolubilized during development. lrx1-null mutants, isolated by a reverse-genetic approach, develop root hairs that frequently abort, swell, or branch. Complementation and overexpression experiments using modified LRX1 proteins indicate that the interaction with the cell wall is important for LRX1 function. These results suggest that LRX1 is an extracellular component of a mechanism regulating root hair morphogenesis and elongation by controlling either polarized growth or cell wall formation and assembly.
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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.