ArticlePlant & cell physiology2009
Rice BRITTLE CULM 5 (BRITTLE NODE) is involved in secondary cell wall formation in the sclerenchyma tissue of nodes.
Article in Plant & cell physiology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.
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32 citing papers in PubMed, 72 citations in OpenAlex.
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- The root cortex of the Poaceae: a diverse, dynamic, and dispensable tissue.Plant and soil · 2025Review
- Genome-wide identification of theFrontiers in plant science · 2025Article
- Characterization of Cell Wall Compositions of Sodium Azide-Induced Brittle Mutant Lines in IR64 Variety and Its Potential Application.Plants (Basel, Switzerland) · 2024Article
- Identification ofGenes · 2023Article
- Amino Acids Supplied through the Autophagy/Endocytosis Pathway Promote Starch Synthesis inPlants (Basel, Switzerland) · 2022Article
- Identification and Fine Mapping of the Recessive GeneInternational journal of molecular sciences · 2022Article
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- A mechanistic view on lodging resistance in rye and wheat: a multiscale comparative study.Plant biotechnology journal · 2021Article
- Virtual issue: cell wall functions in plant growth and environmental responses.Journal of plant research · 2021Article
- Stalk architecture, cell wall composition, and QTL underlying high stalk flexibility for improved lodging resistance in maize.BMC plant biology · 2020Article
- The Rice BZ1 Locus Is Required for Glycosylation of Arabinogalactan Proteins and Galactolipid and Plays a Role in both Mechanical Strength and Leaf Color.Rice (New York, N.Y.) · 2020Article
- Plant cell wall integrity maintenance in model plants and crop species-relevant cell wall components and underlying guiding principles.Cellular and molecular life sciences : CMLS · 2020Review
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- EGTA reduces the inflorescence stem mechanical strength of herbaceous peony by modifying secondary wall biosynthesis.Horticulture research · 2019Article
- Genetic enhancement of lodging resistance in rice due to the key cell wall polymer lignin, which affects stem characteristics.Breeding science · 2018Article
- The potential of aerosol eDNA sampling for the characterisation of commercial seed lots.PloS one · 2018Article
- Nitrogen fertilizer application affects lodging resistance by altering secondary cell wall synthesis in japonica rice (Oryza sativa).Journal of plant research · 2017Article
- Article
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Several brittle culm (bc) mutants known in grasses are considered excellent materials to study the process of secondary cell wall formation. The brittle phenotype of the rice bc5 (brittle node) mutant appears exclusively in the developed nodes, which is distinct from other bc mutants (bc1, 2, 3, 4, 6 and 7) that show the brittle phenotype in culms and leaves. To address the defects of the rice bc5 mutant in node-specific cell wall formation, we analyzed tissue morphology and cell wall composition. The bc5 mutation was found to affect the cell wall deposition of node sclerenchyma tissues at 1 week after heading, the stage at which the cell wall sugar content is reduced, in the bc5 nodes, compared with wild-type nodes. Moreover, decreased accumulation of lignin and thickness of cell walls in the sclerenchyma tissues were also observed in the bc5 nodes. The amounts of cellulose and hemicellulose were reduced to 53 and 65% of those in the wild-type plants, respectively. Sugar composition and glycosidic linkage analyses of the hemicellulose showed that the accumulation of glucuronosyl arabinoxylan in bc5 nodes was perturbed by the mutation. The bc5 locus was narrowed to an approximately 3.1 Mb region of chromosome 2, where none of the other bc genes is located. The bc5 mutation appeared to reduce the expression levels of the OsCesA genes in the nodes after heading. The results indicate that the BC5 gene regulates the development of secondary cell walls of node sclerenchyma tissues.
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