Transposons are not commonly used as cloning vectors in the same way as plasmids or viral vectors. Transposons are mobile genetic elements that have the ability to move or "transpose" within a genome. They can insert themselves into different locations within the DNA of an organism, sometimes disrupting genes or causing rearrangements.
While transposons can be useful tools in genetic research for studying gene function or creating mutant strains, they are not typically used as cloning vectors for the purpose of introducing foreign DNA into a host organism. Plasmids, viral vectors, and other types of cloning vectors are more commonly employed for this purpose due to their ease of use, stability, and well-established protocols.