ArticleJournal of chemical ecology2012
Responses of soil microbial communities in the rhizosphere of cucumber (Cucumis sativus L.) to exogenously applied p-hydroxybenzoic acid.
Article in Journal of chemical ecology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.
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24 citing papers in PubMed, 59 citations in OpenAlex.
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- Assessing the biodiversity of rhizosphere and endophytic fungi in Knoxia valerianoides under continuous cropping conditions.BMC microbiology · 2024Article
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- Crop Rotation With Cress Increases Cucumber Yields by Regulating the Composition of the Rhizosphere Soil Microbial Community.Frontiers in microbiology · 2021Article
- Study on the Diversity of Fungal and Bacterial Communities in Continuous Cropping Fields of Chinese Chives (BioMed research international · 2020Article
- Phenolic Acids Released in Maize Rhizosphere During Maize-Soybean Intercropping InhibitFrontiers in plant science · 2020Article
- The symbiotic bacteria Alcaligenes faecalis of the entomopathogenic nematodes Oscheius spp. exhibit potential biocontrol of plant- and entomopathogenic fungi.Microbial biotechnology · 2019Article
- Vanillic acid changed cucumber (Cucumis sativus L.) seedling rhizosphere total bacterial, Pseudomonas and Bacillus spp. communities.Scientific reports · 2018Article
- Wheat Intercropping Enhances the Resistance of Watermelon toFrontiers in plant science · 2018Article
- The role of organic acids on microbial deterioration in the Radix pseudostellariae rhizosphere under continuous monoculture regimes.Scientific reports · 2017Article
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Authors and funding
3 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Changes in soil biological properties have been implicated as one of the causes of soil sickness, a phenomenon that occurs in continuous monocropping systems. However, the causes for these changes are not yet clear. The aim of this work was to elucidate the role of p-hydroxybenzoic acid (PHBA), an autotoxin of cucumber (Cucumis sativus L.), in changing soil microbial communities. p-Hydroxybenzoic acid was applied to soil every other day for 10 days in cucumber pot assays. Then, the structures and sizes of bacterial and fungal communities, dehydrogenase activity, and microbial carbon biomass (MCB) were assessed in the rhizosphere soil. Structures and sizes of rhizosphere bacterial and fungal communities were analyzed by polymerase chain reaction (PCR)-denaturing gradient gel electrophoresis (DGGE) and real-time PCR, respectively. p-Hydroxybenzoic acid inhibited cucumber seedling growth and stimulated rhizosphere dehydrogenase activity, MBC content, and bacterial and fungal community sizes. Rhizosphere bacterial and fungal communities responded differently to exogenously applied PHBA. The PHBA decreased the Shannon-Wiener index for the rhizosphere bacterial community but increased that for the rhizosphere fungal community. In addition, the response of the rhizosphere fungal community structure to PHBA acid was concentration dependent, but was not for the rhizosphere bacterial community structure. Our results indicate that PHBA plays a significant role in the chemical interactions between cucumber and soil microorganisms and could account for the changes in soil microbial communities in the continuously monocropped cucumber system.
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