Lentiviral Vector Guide
Type
Guide
...include tat , as the 5’ LTR is used as a promoter on the transfer plasmid, and this requires Tat for activation...lentiviruses additionally require the regulatory genes tat and rev , along with virus-specific accessory genes...packaging genes gag and pol , and regulatory genes tat and rev ; separated into two plasmids in third generation...wild-type LTRs Packaging plasmid — contains gag , pol , tat , and rev Envelope plasmid — contains env All second-generation...system because transgene expression from the LTR is Tat-dependent. Figure 3: Second-generation lentiviral...viral titers due to the additional plasmid. Second, tat is not required in the third-generation system. Instead...RSV), eliminating the need for transactivation by Tat. Most third-generation transfer plasmids also contain...