

Column purification of PCR products may increase the efficiency of both Gibson Assembly and transformation by 2–10 fold and is highly recommended when performing assemblies of three or more PCR fragments or assembling longer than 5 kb fragments. Higher volumes of PCR products may reduce the efficiency of Gibson Assembly and transformation due to the elevated carryover amounts of PCR reaction buffer and unused primers present in the PCR product. DNA: PCR product purification is not necessary if the total volume of all PCR products in the Gibson Assembly reaction is 20% or less of the Gibson Assembly reaction volume.

To ensure the successful assembly and subsequent transformation of assembled DNAs, NEB recommends the following: After first use, store the kit components at indicated temperatures.

The method has been successfully used by Gibson’s group and others to assemble oligonucleotides, DNA with varied overlaps (15–80 bp) and fragments hundreds of kilobases long (1–2). The end result is a double-stranded fully sealed DNA molecule that can serve as template for PCR, RCA or a variety of other molecular biology applications, including direct transformation. The DNA ligase seals nicks in the assembled DNA.The proprietary DNA polymerase fills in gaps within each annealed fragment.The exonuclease creates single-stranded 3´ overhangs that facilitate theĪnnealing of fragments that share complementarity at one end (overlap region).The Gibson Assembly Master Mix includes three different enzymatic activities that perform in a single buffer: Gibson Assembly efficiently joins multiple overlapping DNA fragments in a single-tube isothermal reaction (1,2). It has been rapidly adopted by the synthetic biology community due to its ease-of-use, flexibility and suitability for large DNA constructs. It allows for successful assembly of multiple DNA fragments, regardless of fragment length or end compatibility. Craig Venter Institute and licensed to NEB by Synthetic Genomics, Inc. Daniel Gibson and his colleagues at the J.
