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Related Concept Videos

Mechanism of Conjugation01:19

Mechanism of Conjugation

570
Bacterial conjugation is a mechanism of horizontal gene transfer that enables the exchange of genetic material between bacterial cells through direct contact. This process is facilitated by a donor cell carrying a conjugative plasmid, which encodes genes necessary for pilus formation, DNA replication, and transfer. The conjugative plasmid plays a central role in initiating and executing the transfer of genetic material.The tra region of the conjugative plasmid encodes proteins responsible for...
570

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Single-Cell Analysis of the Expression of Pseudomonas syringae Genes within the Plant Tissue
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An improved conjugation method for Pseudomonas syringae.

Helen C Neale1, Michelle T Hulin2, Richard J Harrison3

  • 1Centre for Research in Bioscience, Faculty of Health and Applied Sciences, The University of the West of England, Frenchay Campus, Bristol BS16 1QY, UK.

Journal of Microbiological Methods
|August 16, 2020
PubMed
Summary
This summary is machine-generated.

Improving plasmid conjugation frequency in Pseudomonas syringae is key for saturating transposon mutagenesis. Manipulating donor and recipient cell growth stages enhanced conjugation, enabling studies on recalcitrant strains.

Keywords:
ConjugationPseudomonasTnSeq

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Area of Science:

  • Microbiology
  • Genetics
  • Plant Pathology

Background:

  • Pseudomonas syringae is a significant plant pathogen.
  • Transposon mutagenesis is a powerful tool for genomic studies.
  • Achieving saturating transposon mutagenesis requires high plasmid conjugation efficiency.

Purpose of the Study:

  • To improve plasmid conjugation frequency in plant pathogenic Pseudomonas syringae strains.
  • To enable saturating transposon mutagenesis for comprehensive genomic analysis.
  • To overcome conjugation barriers in recalcitrant strains.

Main Methods:

  • Optimization of donor and recipient cell growth stages.
  • Plasmid conjugation protocols.
  • Transposon mutagenesis techniques.

Main Results:

  • Significantly increased plasmid conjugation frequency was achieved.
  • Successful conjugation was demonstrated in previously recalcitrant Pseudomonas syringae strains.
  • The optimized method facilitates saturating transposon mutagenesis.

Conclusions:

  • Cellular manipulation of growth stages is critical for enhancing Pseudomonas syringae conjugation.
  • This improved method is essential for advancing genomic research in plant pathogens.
  • The findings provide a robust approach for future genetic studies of Pseudomonas syringae.