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Triparental mating is a form of Bacterial conjugation where a conjugative plasmid present in one bacterial strain assists the transfer of a mobilizable plasmid present in a second bacterial strain into a third bacterial strain. Plasmids are introduced into bacteria for such purposes as transformation, cloning, or transposon mutagenesis. Triparental matings can help overcome some of the barriers to efficient plasmid mobilization. For instance, if the conjugative plasmid and the mobilizable plasmid are members of the same incompatibility group they do not need to stably coexist in the second bacterial strain for the mobilizable plasmid to be transferred.
Additional recommended knowledge
Five to seven days are required to determine if the plasmid was successfully introduced into the new bacterial strain and confirm that there is no carryover of the helper or donor strain.
In contrast, Electroporation does not require a helper or donor strain. This helps avoid possible contamination with other strains. The introduction of the plasmid can be verified in the recipient strain in two days, making electroporation a faster and more efficient method of transformation.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Triparental_mating". A list of authors is available in Wikipedia.|