ArticlePlant physiology2010
Chitinase-like protein CTL1 plays a role in altering root system architecture in response to multiple environmental conditions.
Article in Plant physiology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 44 papers.
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Who cites it
44 citing papers in PubMed, 94 citations in OpenAlex.
- The glycosylated root-knot nematode effector Minc10750 suppresses plant immunity by destabilizing host chitinases.The New phytologist · 2026Article
- Molecular insights into avocado grafting: the role of chitinase-like genes.Plant physiology · 2026Article
- CtChi19: a valuable gene for improving resistance to Botrytis cinerea and Alternaria alternata in Carthamus tinctorius.Frontiers in plant science · 2026Article
- Re-localization of a repeat-containing fungal effector by apoplastic protein Chitinase-like 1 blocks its toxicity.Nature communications · 2024Article
- Antagonistic functions of CTL1 and SUH1 mediate cell wall assembly inPlant direct · 2024Article
- Cellulose biosynthesis inhibitor isoxaben causes nutrient-dependent and tissue-specific Arabidopsis phenotypes.Plant physiology · 2024Article
- Genome-Wide Identification and Expression Analysis of Chitinase Genes in Watermelon under Abiotic Stimuli andInternational journal of molecular sciences · 2024Article
- Chitosan induced cold tolerance inFrontiers in plant science · 2024Article
- Cloning and Expression of Class I Chitinase Genes from Four Mangrove Species under Heavy Metal Stress.Plants (Basel, Switzerland) · 2023Article
- Chitinase-Like Protein PpCTL1 Contributes to Maintaining Fruit Firmness by Affecting Cellulose Biosynthesis during Peach Development.Foods (Basel, Switzerland) · 2023Article
- Comparative transcriptome analysis elucidates positive physiological effects of foliar application of pyraclostrobin on tomato (Physiology and molecular biology of plants : an international journal of functional plant biology · 2022Article
- Genes Associated with the Flax Plant Type (Oil or Fiber) Identified Based on Genome and Transcriptome Sequencing Data.Plants (Basel, Switzerland) · 2021Article
- A primary cell wall cellulose-dependent defense mechanism against vascular pathogens revealed by time-resolved dual transcriptomics.BMC biology · 2021Article
- A high-quality genome assembly and annotation of the gray mangrove, Avicennia marina.G3 (Bethesda, Md.) · 2021Article
- FASCICLIN-LIKE 18 Is a New Player Regulating Root Elongation inFrontiers in plant science · 2021Article
- Proteomic and Transcriptomic Analyses Indicate Metabolic Changes and Reduced Defense Responses in Mycorrhizal Roots ofJournal of fungi (Basel, Switzerland) · 2020Article
- Mapping aFrontiers in plant science · 2020Article
- Chitinase-like1 Plays a Role in Stalk Tensile Strength in Maize.Plant physiology · 2019Article
- Evaluation of Disease Severity and Global Transcriptome Response Induced byInternational journal of molecular sciences · 2019Article
- Comprehensive Analysis of the Chitinase Family Genes in Tomato (Plants (Basel, Switzerland) · 2019Article
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Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Plant root architecture is highly responsive to changes in nutrient availability. However, the molecular mechanisms governing the adaptability of root systems to changing environmental conditions is poorly understood. A screen for abnormal root architecture responses to high nitrate in the growth medium was carried out for a population of ethyl methanesulfonate-mutagenized Arabidopsis (Arabidopsis thaliana). The growth and root architecture of the arm (for anion altered root morphology) mutant described here was similar to wild-type plants when grown on low to moderate nitrate concentrations, but on high nitrate, arm exhibited reduced primary root elongation, radial swelling, increased numbers of lateral roots, and increased root hair density when compared to the wild-type control. High concentrations of chloride and sucrose induced the same phenotype. In contrast, hypocotyl elongation in the dark was decreased independently of nitrate availability. Positional cloning identified a point mutation in the AtCTL1 gene that encodes a chitinase-related protein, although molecular and biochemical analysis showed that this protein does not possess chitinase enzymatic activity. CTL1 appears to play two roles in plant growth and development based on the constitutive effect of the arm mutation on primary root growth and its conditional impact on root architecture. We hypothesize that CTL1 plays a role in determining cell wall rigidity and that the activity is differentially regulated by pathways that are triggered by environmental conditions. Moreover, we show that mutants of some subunits of the cellulose synthase complex phenocopy the conditional effect on root architecture under nonpermissive conditions, suggesting they are also differentially regulated in response to a changing environment.
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