ArticlePlant physiology2005
Isolation, characterization, and pericycle-specific transcriptome analyses of the novel maize lateral and seminal root initiation mutant rum1.
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 83 papers.
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Who cites it
83 citing papers in PubMed.
- Genetic architecture and functional consequences of lateral root length in maize.Journal of experimental botany · 2026Article
- Genome-wide association study and genomic prediction of root system architecture in a diverse field-grown maize panel.Frontiers in plant science · 2026Article
- In silico analysis of the evolution of root phenotypes during maize domestication in Neolithic soils of Tehuacán.The New phytologist · 2025Article
- How meristems shape plant architecture in cereals-Cereal Stem Cell Systems (CSCS) Consortium.The Plant cell · 2025Review
- A maize landrace introgression library reveals a negative effect of root-to-shoot ratio on water-use efficiency.The plant genome · 2025Article
- Flavones enrich rhizosphere Pseudomonas to enhance nitrogen utilization and secondary root growth in Populus.Nature communications · 2025Article
- OsCIPK2 mediated rice root microorganisms and metabolites to improve plant nitrogen uptake.BMC plant biology · 2024Article
- Choreographing root architecture and rhizosphere interactions through synthetic biology.Nature communications · 2024Review
- From barcodes to genomes: a new era of molecular exploration in bryophyte research.Frontiers in plant science · 2024Review
- Roles of auxin pathways in maize biology.Journal of experimental botany · 2023Review
- The 2020 derecho revealed limited overlap between maize genes associated with root lodging and root system architecture.Plant physiology · 2023Article
- Evaluation of Inbred Maize (Plants (Basel, Switzerland) · 2023Article
- Linking plant functional genes to rhizosphere microbes: a review.Plant biotechnology journal · 2023Review
- Novel insights into maize (Zea mays) development and organogenesis for agricultural optimization.Planta · 2023Review
- Identification of a new QTL underlying seminal root number in a maize-teosinte population.Frontiers in plant science · 2023Article
- The power of classic maize mutants: Driving forward our fundamental understanding of plants.The Plant cell · 2022Review
- Deconstructing the root system of grasses through an exploration of development, anatomy and function.Plant, cell & environment · 2022Review
- Plant Foraging Strategies Driven by Distinct Genetic Modules: Cross-Ecosystem Transcriptomics Approach.Frontiers in plant science · 2022Article
- Maize Brittle Stalk2-Like3, encoding a COBRA protein, functions in cell wall formation and carbohydrate partitioning.The Plant cell · 2021Article
- Genome-wide association screening and verification of potential genes associated with root architectural traits in maize (Zea mays L.) at multiple seedling stages.BMC genomics · 2021Article
23 more citing papers are in PubMed but not listed here.
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The monogenic recessive maize (Zea mays) mutant rootless with undetectable meristems 1 (rum1) is deficient in the initiation of the embryonic seminal roots and the postembryonic lateral roots at the primary root. Lateral root initiation at the shoot-borne roots and development of the aerial parts of the mutant rum1 are not affected. The mutant rum1 displays severely reduced auxin transport in the primary root and a delayed gravitropic response. Exogenously applied auxin does not induce lateral roots in the primary root of rum1. Lateral roots are initiated in a specific cell type, the pericycle. Cell-type-specific transcriptome profiling of the primary root pericycle 64 h after germination, thus before lateral root initiation, via a combination of laser capture microdissection and subsequent microarray analyses of 12k maize microarray chips revealed 90 genes preferentially expressed in the wild-type pericycle and 73 genes preferentially expressed in the rum1 pericycle (fold change >2; P-value <0.01; estimated false discovery rate of 13.8%). Among the 51 annotated genes predominately expressed in the wild-type pericycle, 19 genes are involved in signal transduction, transcription, and the cell cycle. This analysis defines an array of genes that is active before lateral root initiation and will contribute to the identification of checkpoints involved in lateral root formation downstream of rum1.
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