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Related Concept Videos

Transposons01:24

Transposons

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Transposons, or "jumping genes," are small mobile genetic elements (MGEs) that range from 700 to 40,000 base pairs in length. They are found in all organisms and can move within the same chromosome or transfer to different chromosomes. In some cases, transposons can also jump between different host DNA molecules, such as plasmids or viruses, contributing to genetic variability.Barbara McClintock first discovered these mobile genetic elements in the 1940s while studying maize genetics, and she...
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Generation and Multi-phenotypic High-content Screening of Coxiella burnetii Transposon Mutants
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pBLAM1-x: standardized transposon tools for high-throughput screening.

Lorea Alejaldre1, Ana-Mariya Anhel1, Ángel Goñi-Moreno1

  • 1Centro de Biotecnología y Genómica de Plantas, Universidad Politécnica de Madrid (UPM)-Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA/CSIC), Madrid, Spain.

Synthetic Biology (Oxford, England)
|June 30, 2023
PubMed
Summary
This summary is machine-generated.

Researchers developed a new genetic tool, pBLAM1-x plasmid vectors, to simplify high-throughput transposon insertion sequencing (TnSeq) for synthetic biology applications. This tool enhances genetic construct characterization and aids in mathematical modeling for improved design-build-test cycles.

Keywords:
Chromosomal insertionsGenetic toolPlasmidStandard formatTransposon

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Area of Science:

  • Synthetic Biology
  • Molecular Biology
  • Genomics

Background:

  • Engineering cellular functions requires precise genetic tools for synthetic biology.
  • Characterizing genetic constructs necessitates meticulous measurements for mathematical modeling and design-build-test cycles.

Purpose of the Study:

  • To develop and present a novel genetic tool, the pBLAM1-x plasmid vectors, designed to facilitate high-throughput transposon insertion sequencing (TnSeq).
  • To demonstrate the utility of the pBLAM1-x tool in analyzing genetic constructs within the bacterium *Pseudomonas putida*.

Main Methods:

  • Development of pBLAM1-x plasmid vectors based on the mini-Tn5 transposon vector pBAMD1-2 and adhering to the Standard European Vector Architecture (SEVA) format.
  • Incorporation of the Himar1 Mariner transposase system into the pBLAM1-x vectors.
  • Analysis of sequencing data from 60 *Pseudomonas putida* KT2440 clones to evaluate the tool's performance.

Main Results:

  • Successful development of the pBLAM1-x plasmid vectors, a novel genetic tool for high-throughput TnSeq.
  • Demonstrated performance of the pBLAM1-x tool in analyzing transposon insertions in *Pseudomonas putida*.
  • Integration of the pBLAM1-x tool into the SEVA database, highlighting its standardization and accessibility.

Conclusions:

  • The pBLAM1-x plasmid vectors represent a significant advancement for high-throughput TnSeq, streamlining genetic engineering and characterization in synthetic biology.
  • This tool supports the design-build-test lifecycle by enabling efficient data acquisition for mathematical modeling.
  • The inclusion in the SEVA database ensures broader adoption and application in microbial research and synthetic biology.