ArticleProtoplasma2020
Control of Phytophthora melonis damping-off treated with 24-epibrassinolide and a histological study of cucumber hypocotyl.
Article in Protoplasma, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed, 10 citations in OpenAlex.
- A multifaceted crosstalk between brassinosteroid and gibberellin regulates the resistance of cucumber to Phytophthora melonis.The Plant journal : for cell and molecular biology · 2024Article
- Comprehensive Analysis of Major Latex-Like Protein Family Genes in Cucumber (International journal of molecular sciences · 2023Article
- A transcriptome analysis ofFrontiers in plant science · 2022Article
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
Abstract
The oomycete Phytophthora melonis causes a severe disease in cucumber plants in Asia. In this study, the diameter of cucumber hypocotyl in the resistant variety 'Shantou qing gua' was significantly larger than that of the susceptible variety 'Zhongnong No. 20'. The significantly lower incidence of disease and less invasive hyphae on the epidermis and transverse section of hypocotyls in P plants of the resistant variety than those in susceptible cultivars were also observed. Brassinosteroids are a class of phytohormones that affect plant growth and development and are involved in regulating plant resistance to a variety of biotic and abiotic stresses. 24-Epibrassinolide root drenching significantly enhanced the thickening of cucumber hypocotyl. Thick hypocotyls showed strong resistance to P. melonis, indicating that it significantly reduced the incidence of disease and retarded the hyphae extension for both resistant and susceptible cucumbers. 24-Epibrassinolide pretreatment had no significant effect on the elongation of cucumber hypocotyl. Further histological observation showed that under the condition of infection with P. melonis, exogenous 24-epibrassinolide could induce lignin deposition in external phloem and xylem vessel cell wall of the cucumber hypocotyl vascular bundle. There is also an accumulation of callose in the external phloem sieve plate, which activates the resistance responses in cell walls. It is worth mentioning that in both inoculated and uninoculated conditions, exogenous 24-epibrassinolide enhanced lignin formation in external phloem and xylem vessel cell wall of the vascular bundle. This increased the content of lignin in hypocotyl as well as the number of vascular bundles in the hypocotyl base. The above results show that 24-epibrassinolide constitutively regulates the thickening of cucumber hypocotyl and the development of vascular bundle, hence preventing phytophthora infection and inducing plant resistance to disease.
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Registered trials
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