A simplified and efficient Agrobacterium tumefaciens electroporation method

A simplified and efficient Agrobacterium tumefaciens electroporation method Agrobacterium tumefaciens is a widely used microbial tool in plant molecular biology to transfer DNA into plant cells and produce, e.g., stable or transient transformants or induce gene silencing. In our study, we present a simplified version of electrocompetent cell preparation that is not only time and cost efficient, but it requires minimal handling of bacterial cells. Liquid cultures are normally used to prepare competent Agrobacterium cells. To overcome the difficulties of working with liquid cultures, we propose suspending bacterial cells directly from overnight agar plate cultures. In addition, we optimized several parameters to simplify the procedure and maximize the number of transformants (e.g., Agrobacterium strains, number of washing steps, amount of required plasmid DNA, electroporation parameters, type of incubation media, or incubation time). This optimized, simple, and fast protocol has proved to be efficient enough to obtain transformed colonies with low amounts (as little as 1 ng) of plasmid DNA. In addition, it also enabled us to introduce ligated plasmids directly into Agrobacterium omitting the E. coli transformation step and accelerating the cloning procedure further. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png 3 Biotech Springer Journals

A simplified and efficient Agrobacterium tumefaciens electroporation method

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Publisher
Springer Journals
Copyright
Copyright © 2018 by Springer-Verlag GmbH Germany, part of Springer Nature
Subject
Chemistry; Biotechnology; Agriculture; Cancer Research; Bioinformatics; Stem Cells; Biomaterials
ISSN
2190-572X
eISSN
2190-5738
D.O.I.
10.1007/s13205-018-1171-9
Publisher site
See Article on Publisher Site

Abstract

Agrobacterium tumefaciens is a widely used microbial tool in plant molecular biology to transfer DNA into plant cells and produce, e.g., stable or transient transformants or induce gene silencing. In our study, we present a simplified version of electrocompetent cell preparation that is not only time and cost efficient, but it requires minimal handling of bacterial cells. Liquid cultures are normally used to prepare competent Agrobacterium cells. To overcome the difficulties of working with liquid cultures, we propose suspending bacterial cells directly from overnight agar plate cultures. In addition, we optimized several parameters to simplify the procedure and maximize the number of transformants (e.g., Agrobacterium strains, number of washing steps, amount of required plasmid DNA, electroporation parameters, type of incubation media, or incubation time). This optimized, simple, and fast protocol has proved to be efficient enough to obtain transformed colonies with low amounts (as little as 1 ng) of plasmid DNA. In addition, it also enabled us to introduce ligated plasmids directly into Agrobacterium omitting the E. coli transformation step and accelerating the cloning procedure further.

Journal

3 BiotechSpringer Journals

Published: Feb 22, 2018

References

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