ArticleFrontiers in plant science2016
A Complex Molecular Interplay of Auxin and Ethylene Signaling Pathways Is Involved in Arabidopsis Growth Promotion by Burkholderia phytofirmans PsJN.
Article in Frontiers in plant science, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers, 1 of them a synthesis that pooled it.
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Who cites it
36 citing papers in PubMed, 1 synthesis or guideline pooled it, 92 citations in OpenAlex.
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- Bacillus endophyticus J13 imparts drought tolerance to Arabidopsis thaliana by regulating the plant auxin-dependent auxin conjugation pathway.Plant cell reports · 2025Article
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- Physiological Basis of Plant Growth Promotion in Rice by Rhizosphere and Endosphere Associated Streptomyces Isolates from India.Rice (New York, N.Y.) · 2024Article
- Employing Genomic Tools to Explore the Molecular Mechanisms behind the Enhancement of Plant Growth and Stress Resilience Facilitated by aInternational journal of molecular sciences · 2024Article
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- Responses of isolated balsam-fir stem segments to exogenous ACC, IAA, and IBA.Forestry research · 2024Article
- Paraburkholderia phytofirmans PsJN colonization of rice endosphere triggers an atypical transcriptomic response compared to rice native Burkholderia s.l. endophytes.Scientific reports · 2023Article
- Characterization of the Seed Biopriming, Plant Growth-Promoting and Salinity-Ameliorating Potential of Halophilic Fungi Isolated from Hypersaline Habitats.International journal of molecular sciences · 2023Article
- The Arabidopsis holobiont: a (re)source of insights to understand the amazing world of plant-microbe interactions.Environmental microbiome · 2023Review
- Recent Advances in the Bacterial Phytohormone Modulation of Plant Growth.Plants (Basel, Switzerland) · 2023Article
- Comparative transcriptome profiling provides insights into the growth promotion activity ofFrontiers in plant science · 2023Article
- Signaling and crosstalk of rhizobacterial and plant hormones that mediate abiotic stress tolerance in plants.Frontiers in microbiology · 2023Review
- Variation and stability of rhizosphere bacterial communities ofFrontiers in plant science · 2023Article
- Disentangling the resistant mechanism of Fusarium wilt TR4 interactions with different cultivars and its elicitor application.Frontiers in plant science · 2023Article
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- Combined Transcriptomic and Metabolomic Analysis Reveals Insights into Resistance of ArabidopsisPlants (Basel, Switzerland) · 2022Article
- Phyto-Friendly Soil Bacteria and Fungi Provide Beneficial Outcomes in the Host Plant by Differently Modulating Its Responses through (In)Direct Mechanisms.Plants (Basel, Switzerland) · 2022Review
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Modulation of phytohormones homeostasis is one of the proposed mechanisms to explain plant growth promotion induced by beneficial rhizobacteria (PGPR). However, there is still limited knowledge about the molecular signals and pathways underlying these beneficial interactions. Even less is known concerning the interplay between phytohormones in plants inoculated with PGPR. Auxin and ethylene are crucial hormones in the control of plant growth and development, and recent studies report an important and complex crosstalk between them in the regulation of different plant developmental processes. The objective of this work was to study the role of both hormones in the growth promotion of Arabidopsis thaliana plants induced by the well-known PGPR Burkholderia phytofirmans PsJN. For this, the spatiotemporal expression patterns of several genes related to auxin biosynthesis, perception and response and ethylene biosynthesis were studied, finding that most of these genes showed specific transcriptional regulations after inoculation in roots and shoots. PsJN-growth promotion was not observed in Arabidopsis mutants with an impaired ethylene (ein2-1) or auxin (axr1-5) signaling. Even, PsJN did not promote growth in an ethylene overproducer (eto2), indicating that a fine regulation of both hormones signaling and homeostasis is necessary to induce growth of the aerial and root tissues. Auxin polar transport is also involved in growth promotion, since PsJN did not promote primary root growth in the pin2 mutant or under chemical inhibition of transport in wild type plants. Finally, a key role for ethylene biosynthesis was found in the PsJN-mediated increase in root hair number. These results not only give new insights of PGPR regulation of plant growth but also are also useful to understand key aspects of Arabidopsis growth control.
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