ArticleApplied and environmental microbiology2012
Stability of a Pseudomonas putida KT2440 bacteriophage-carried genomic island and its impact on rhizosphere fitness.
Article in Applied and environmental microbiology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Phage Therapy in Gastrointestinal Diseases: Current Status and Challenges.International journal of molecular sciences · 2026Review
- Prophage-encoded RexAB-type phage defense system in Pseudomonas putida.Scientific reports · 2026Article
- Phages Shape the Transformation of Organic Matter During Composting.Microbial biotechnology · 2025Article
- Bacteriophage-driven microbial phenotypic heterogeneity: ecological and biogeochemical importance.NPJ biofilms and microbiomes · 2025Review
- Rational Design Assisted by Evolutionary Engineering Allows (De)Construction and Optimization of Complex Phenotypes in Pseudomonas putida KT2440.Microbial biotechnology · 2025Article
- Genotypic and Phenotypic Characterization ofMicroorganisms · 2024Article
- Soil viral diversity, ecology and climate change.Nature reviews. Microbiology · 2023Review
- Application of filamentous phages in environment: A tectonic shift in the science and practice of ecorestoration.Ecology and evolution · 2019Article
- Physiological and transcriptome changes induced by Pseudomonas putida acquisition of an integrative and conjugative element.Scientific reports · 2018Article
- Article
- CDI Systems Are Stably Maintained by a Cell-Contact Mediated Surveillance Mechanism.PLoS genetics · 2016Article
- In vivo gene expression of Pseudomonas putida KT2440 in the rhizosphere of different plants.Microbial biotechnology · 2013Article
Corrections and comments
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The stability of seven genomic islands of Pseudomonas putida KT2440 with predicted potential for mobilization was studied in bacterial populations associated with the rhizosphere of corn plants by multiplex PCR. DNA rearrangements were detected for only one of them (GI28), which was lost at high frequency. This genomic island of 39.4 kb, with 53 open reading frames, shows the characteristic organization of genes belonging to tailed phages. We present evidence indicating that it corresponds to the lysogenic state of a functional bacteriophage that we have designated Pspu28. Integrated and rarely excised forms of Pspu28 coexist in KT2440 populations. Pspu28 is self-transmissible, and an excisionase is essential for its removal from the bacterial chromosome. The excised Pspu28 forms a circular element that can integrate into the chromosome at a specific location, att sites containing a 17-bp direct repeat sequence. Excision/insertion of Pspu28 alters the promoter sequence and changes the expression level of PP_1531, which encodes a predicted arsenate reductase. Finally, we show that the presence of Pspu28 in the lysogenic state has a negative effect on bacterial fitness in the rhizosphere under conditions of intraspecific competition, thus explaining why clones having lost this mobile element are recovered from that environment.
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