ArticleEnvironmental microbiology2021
Phylogenetically closely related pseudomonads isolated from arthropods exhibit differential insect-killing abilities and genetic variations in insecticidal factors.
Article in Environmental microbiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed, 24 citations in OpenAlex.
- The insect- and plant-associated lifestyles of Pseudomonas protegens CHA0 are preserved following serial passage through insect larvae.PLoS pathogens · 2026Article
- Predicting bacterial-mediated entomopathogenicity through comparative genomics and statistical modeling.Microbiology spectrum · 2026Article
- Article
- Entomopathogenic pseudomonads can share an insect host with entomopathogenic nematodes and their mutualistic bacteria.The ISME journal · 2024Article
- When Competitors Join Forces: Consortia of Entomopathogenic Microorganisms Increase Killing Speed and Mortality in Leaf- and Root-Feeding Insect Hosts.Microbial ecology · 2023Article
- The pivotal roles of gut microbiota in insect plant interactions for sustainable pest management.NPJ biofilms and microbiomes · 2023Review
- Relation of pest insect-killing and soilborne pathogen-inhibition abilities to species diversification in environmental Pseudomonas protegens.The ISME journal · 2023Article
- Identification, Characterization, and Genome Analysis of Two Novel TemperateMicroorganisms · 2023Article
- The genome of a steinernematid-associatedAccess microbiology · 2023Article
- Involvement of a novel Pseudomonas protegens strain associated with entomopathogenic nematode infective juveniles in insect pathogenesis.Pest management science · 2022Article
- Insecticidal features displayed by the beneficial rhizobacterium Pseudomonas chlororaphis PCL1606.International microbiology : the official journal of the Spanish Society for Microbiology · 2022Article
- The secret life of plant-beneficial rhizosphere bacteria: insects as alternative hosts.Environmental microbiology · 2022Review
- Genomic erosion and horizontal gene transfer shape functional differences of the ExlA toxin iniScience · 2022Article
- Serratia marcescens-S3 inhibits Potato virus Y by activating ubiquitination of molecular chaperone proteins NbHsc70-2 in Nicotiana benthamiana.Microbial biotechnology · 2022Article
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Strains belonging to the Pseudomonas protegens and Pseudomonas chlororaphis species are able to control soilborne plant pathogens and to kill pest insects by producing virulence factors such as toxins, chitinases, antimicrobials or two-partner secretion systems. Most insecticidal Pseudomonas described so far were isolated from roots or soil. It is unknown whether these bacteria naturally occur in arthropods and how they interact with them. Therefore, we isolated P. protegens and P. chlororaphis from various healthy insects and myriapods, roots and soil collected in an agricultural field and a neighbouring grassland. The isolates were compared for insect killing, pathogen suppression and host colonization abilities. Our results indicate that neither the origin of isolation nor the phylogenetic position mirror the degree of insecticidal activity. Pseudomonas protegens strains appeared homogeneous regarding phylogeny, biocontrol and insecticidal capabilities, whereas P. chlororaphis strains were phylogenetically and phenotypically more heterogenous. A phenotypic and genomic analysis of five closely related P. chlororaphis isolates displaying varying levels of insecticidal activity revealed variations in genes encoding insecticidal factors that may account for the reduced insecticidal activity of certain isolates. Our findings point towards an adaption to insects within closely related pseudomonads and contribute to understand the ecology of insecticidal Pseudomonas.
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