ArticlePlant cell reports2015
Silicon does not mitigate cell death in cultured tobacco BY-2 cells subjected to salinity without ethylene emission.
Article in Plant cell reports, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 42 citations in OpenAlex.
- Green remediation of lead (pb) from Pb-toxic soil by combined use of silicon nanomaterials and leguminous Lens culinaris L. plants.Scientific reports · 2025Article
- Synthetic auxin herbicide 2,4-D and its influence on a model BY-2 suspension.Molecular biology reports · 2024Article
- Ameliorative Effects of Silicon against Salt Stress inAntioxidants (Basel, Switzerland) · 2022Article
- Silicon inhibits gummosis by promoting polyamine synthesis and repressing ethylene biosynthesis in peach.Frontiers in plant science · 2022Article
- Multidimensional Role of Silicon to Activate Resilient Plant Growth and to Mitigate Abiotic Stress.Frontiers in plant science · 2022Review
- Exploration of silicon functions to integrate with biotic stress tolerance and crop improvement.Biological research · 2021Review
- Role of Silicon in Mediating Salt Tolerance in Plants: A Review.Plants (Basel, Switzerland) · 2019Review
- The role of silicon in plant biology: a paradigm shift in research approach.Annals of botany · 2018Review
- Ethylene Antagonizes Salt-Induced Growth Retardation and Cell Death Process via Transcriptional Controlling of Ethylene-, BAG- and Senescence-Associated Genes in Arabidopsis.Frontiers in plant science · 2016Article
- Mechanisms of silicon-mediated alleviation of drought and salt stress in plants: a review.Environmental science and pollution research international · 2015Review
Corrections and comments
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
key messageSilicon induces cell death when ethylene is suppressed in cultured tobacco BY-2 cells. There is a crosstalk between Si and ethylene signaling. Silicon (Si) is beneficial for plant growth. It alleviates both biotic and abiotic stresses in plants. How Si works in plants is still mysterious. This study investigates the mechanism of Si-induced cell death in tobacco BY-2 cell cultures when ethylene is suppressed. Results showed that K2SiO3 alleviated the damage of NaCl stress. Si treatment rapidly increased ethylene emission and the expression of ethylene biosynthesis genes. Treatments with Si + Ag and Si + aminooxyacetic acid (AOA, ethylene biosynthesis inhibitor) reduced the cell growth and increased cell damage. The treatment with Si + Ag induced hydrogen peroxide (H2O2) generation and ultimately cell death. Some nucleus of BY-2 cells treated with Si + Ag appeared TUNEL positive. The inhibition of H2O2 and nitric oxide (NO) production reduced the cell death rate induced by Si + Ag treatment. Si eliminated the up-regulation of alternative pathway by Ag. These data suggest that ethylene plays an important role in Si function in plants. Without ethylene, Si not only failed to enhance plant resistance, but also elevated H2O2 generation and further induced cell death in tobacco BY-2 cells.
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