ArticlePloS one2013
Nematicidal bacteria associated to pinewood nematode produce extracellular proteases.
Article in PloS one, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.
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Who cites it
30 citing papers in PubMed, 61 citations in OpenAlex.
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- Engineered pine endophyticFrontiers in microbiology · 2023Article
- The Role of Serratomolide-like Amino Lipids Produced by Bacteria of GenusPathogens (Basel, Switzerland) · 2022Article
- Invasion History of the Pinewood NematodeFrontiers in plant science · 2022Article
- GeneFrontiers in microbiology · 2022Article
- Identification of the Genes of the Plant PathogenFrontiers in microbiology · 2022Article
- Nematicidal Activity of the EndophytePlants (Basel, Switzerland) · 2021Article
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- Bacterial Microbiota Isolated from Cysts ofPlants (Basel, Switzerland) · 2020Article
- Characterization of bacterial communities associated with the pinewood nematode insect vector Monochamus alternatus Hope and the host tree Pinus massoniana.BMC genomics · 2020Article
- Distribution and diversity of bacterial endophytes from four Pinus species and their efficacy as biocontrol agents for devastating pine wood nematodes.Scientific reports · 2019Article
- The nematicide Serratia plymuthica M24T3 colonizes Arabidopsis thaliana, stimulates plant growth, and presents plant beneficial potential.Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] · 2019Article
- Bacterial Metabolites Produced Under Iron Limitation Kill Pinewood Nematode and AttractFrontiers in microbiology · 2019Article
- From plants to nematodes: Serratia grimesii BXF1 genome reveals an adaptation to the modulation of multi-species interactions.Microbial genomics · 2018Article
- Signal Transduction in Plant⁻Nematode Interactions.International journal of molecular sciences · 2018Review
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Bacteria associated with the nematode Bursaphelenchus xylophilus, a pathogen of trees and the causal agent of pine wilt disease (PWD) may play a role in the disease. In order to evaluate their role (positive or negative to the tree), strains isolated from the track of nematodes from infected Pinus pinaster trees were screened, in vitro, for their nematicidal potential. The bacterial products, from strains more active in killing nematodes, were screened in order to identify and characterize the nematicidal agent. Forty-seven strains were tested and, of these, 21 strains showed capacity to produce extracellular products with nematicidal activity. All Burkholderia strains were non-toxic. In contrast, all Serratia strains except one exhibited high toxicity. Nematodes incubated with Serratia strains showed, by SEM observation, deposits of bacteria on the nematode cuticle. The most nematicidal strain, Serratia sp. A88copa13, produced proteases in the supernatant. The use of selective inhibitors revealed that a serine protease with 70 kDa was majorly responsible for the toxicity of the supernatant. This extracellular serine protease is different phylogenetically, in size and biochemically from previously described proteases. Nematicidal assays revealed differences in nematicidal activity of the proteases to different species of Bursaphelenchus, suggesting its usefulness in a primary screen of the nematodes. This study offers the basis for further investigation of PWD and brings new insights on the role bacteria play in the defense of pine trees against B. xylophilus. Understanding all the factors involved is important in order to develop strategies to control B. xylophilus dispersion.
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