ArticlePlant physiology2011
Transient proliferation of proanthocyanidin-accumulating cells on the epidermal apex contributes to highly aluminum-resistant root elongation in camphor tree.
Article in Plant physiology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed, 58 citations in OpenAlex.
- Article
- Untargeted metabolomics reveals anion and organ-specific metabolic responses of salinity tolerance in willow.The Plant journal : for cell and molecular biology · 2025Article
- Tissue and cellular localization of condensed tannins in poplar roots and potential association with nitrogen uptake.Frontiers in plant science · 2024Article
- Metabolomic Study of Flavonoids inPlants (Basel, Switzerland) · 2023Article
- Aluminum and Fluoride Stresses Altered Organic Acid and Secondary Metabolism in Tea (International journal of molecular sciences · 2023Article
- Anatomical patterns of condensed tannin in fine roots of tree species from a cool-temperate forest.Annals of botany · 2021Article
- Illumina sequencing revealed roles of microRNAs in different aluminum tolerance of two citrus species.Physiology and molecular biology of plants : an international journal of functional plant biology · 2020Article
- Metabolomics ofMolecules (Basel, Switzerland) · 2020Article
- Article
- Renal and testicular up-regulation of pro-inflammatory chemokines (RANTES and CCL2) and cytokines (TNF-α, IL-1β, IL-6) following acute edible camphor administration is through activation of NF-kB in rats.Toxicology reports · 2019Article
- Article
- Poplar MYB115 and MYB134 Transcription Factors Regulate Proanthocyanidin Synthesis and Structure.Plant physiology · 2017Article
- Aluminum Complexation with Malate within the Root Apoplast Differs between Aluminum Resistant and Sensitive Wheat Lines.Frontiers in plant science · 2017Article
- Aluminum, a Friend or Foe of Higher Plants in Acid Soils.Frontiers in plant science · 2017Review
- Identification of a hydrolyzable tannin, oenothein B, as an aluminum-detoxifying ligand in a highly aluminum-resistant tree, Eucalyptus camaldulensis.Plant physiology · 2014Article
- Aluminum exclusion and aluminum tolerance in woody plants.Frontiers in plant science · 2013Article
- Central effects of camphor on GnRH and sexual hormones in male rat.International journal of molecular and cellular medicine · 2012Article
- A cell-type-specific defect in border cell formation in the Acacia mangium root cap developing an extraordinary sheath of sloughed-off cells.Annals of botany · 2011Article
- Transient proliferation of proanthocyanidin-accumulating cells on the epidermal apex contributes to highly aluminum-resistant root elongation in camphor tree.Plant physiology · 2011Article
Corrections and comments
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Aluminum (Al) is a harmful element that rapidly inhibits the elongation of plant roots in acidic soils. The release of organic anions explains Al resistance in annual crops, but the mechanisms that are responsible for superior Al resistance in some woody plants remain unclear. We examined cell properties at the surface layer of the root apex in the camphor tree (Cinnamomum camphora) to understand its high Al resistance mechanism. Exposure to 500 μm Al for 8 d, more than 20-fold higher concentration and longer duration than what soybean (Glycine max) can tolerate, only reduced root elongation in the camphor tree to 64% of the control despite the slight induction of citrate release. In addition, Al content in the root apices was maintained at low levels. Histochemical profiling revealed that proanthocyanidin (PA)-accumulating cells were present at the adjacent outer layer of epidermis cells at the root apex, having distinctive zones for cell division and the early phase of cell expansion. Then the PA cells were gradually detached off the root, leaving thin debris behind, and the root surface was replaced with the elongating epidermis cells at the 3- to 4-mm region behind the tip. Al did not affect the proliferation of PA cells or epidermis cells, except for the delay in the start of expansion and the accelerated detachment of the former. In soybean roots, the innermost lateral root cap cells were absent in both PA accumulation and active cell division and failed to protect the epidermal cell expansion at 25 μm Al. These results suggest that transient proliferation and detachment of PA cells may facilitate the expansion of epidermis cells away from Al during root elongation in camphor tree.
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