ArticleBMC genomics2017
The biocontrol agent Pseudomonas chlororaphis PA23 primes Brassica napus defenses through distinct gene networks.
Article in BMC genomics, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed, 52 citations in OpenAlex.
- An IndigenousPlants (Basel, Switzerland) · 2026Article
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- Global mRNA profiling reveals the effect of boron as a crop protection tool againstAoB PLANTS · 2024Article
- Phenazines are involved in the antagonism of a novel subspecies of Pseudomonas chlororaphis strain S1Bt23 against Pythium ultimum.Scientific reports · 2024Article
- Transcriptome analysis unravels the biocontrol mechanism of Serratia plymuthica A30 against potato soft rot caused by Dickeya solani.PloS one · 2024Article
- cDNA Transcriptome ofInternational journal of molecular sciences · 2022Article
- Identification of receptor-like proteins induced byFrontiers in plant science · 2022Article
- Agronomic efficiency and genome mining analysis of the wheat-biostimulant rhizospheric bacteriumFrontiers in plant science · 2022Article
- Physiological, proteomic, and metabolomic analysis provide insights into Bacillus sp.-mediated salt tolerance in wheat.Plant cell reports · 2022Article
- Draft Genome Sequences of Pseudomonas spp. Isolated from Berry Surfaces in Commercial Cranberry Bogs in Massachusetts, USA.Microbiology resource announcements · 2021Article
- A Consortium ofTropical life sciences research · 2021Article
- Characterization of antifungal metabolite phenazine from rice rhizosphere fluorescent pseudomonads (FPs) and their effect on sheath blight of rice.Saudi journal of biological sciences · 2020Article
- Investigation of the quorum-sensing regulon of the biocontrol bacterium Pseudomonas chlororaphis strain PA23.PloS one · 2020Article
- Benefits to Plant Health and Productivity From Enhancing Plant Microbial Symbionts.Frontiers in plant science · 2020Review
- Characterization of Rhodopseudomonas palustris population dynamics on tobacco phyllosphere and induction of plant resistance to Tobacco mosaic virus.Microbial biotechnology · 2019Article
- Gene networks underlying the early regulation of Paraburkholderia phytofirmans PsJN induced systemic resistance in Arabidopsis.PloS one · 2019Article
Corrections and comments
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe biological control agent Pseudomonas chlororaphis PA23 is capable of protecting Brassica napus (canola) from the necrotrophic fungus Sclerotinia sclerotiorum via direct antagonism. While we have elucidated bacterial genes and gene products responsible biocontrol, little is known about how the host plant responds to bacterial priming on the leaf surface, including global changes in gene activity in the presence and absence of S. sclerotiorum.
resultsApplication of PA23 to the aerial surfaces of canola plants reduced the number of S. sclerotiorum lesion-forming petals by 91.1%. RNA sequencing of the host pathogen interface showed that pretreatment with PA23 reduced the number of genes upregulated in response to S. sclerotiorum by 16-fold. By itself, PA23 activated unique defense networks indicative of defense priming. Genes encoding MAMP-triggered immunity receptors detecting flagellin and peptidoglycan were downregulated in PA23 only-treated plants, consistent with post-stimulus desensitization. Downstream, we observed reactive oxygen species (ROS) production involving low levels of H
conclusionIn addition to directly antagonizing S. sclerotiorum, PA23 primes the plant defense response through induction of unique local and systemic defense networks. This study provides novel insight into the effects of biocontrol agents applied to the plant phyllosphere. Understanding these interactions will aid in the development of biocontrol systems as an alternative to chemical pesticides for protection of important crop systems.
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