Promoters are genetic regulatory elements that drive gene expression in cells under certain conditions. One way to identify promoters is to use a promoter-trap vector, which is a plasmid containing a ...
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Plasmid R6K is an antibiotic resistance plasmid of E. coli and a popular cloning vector. The R6K protein pi, which is encoded by the pir gene, plays a key role in R6K replication.
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The Epstein-Barr virus (EBV) is a member of the Herpes family of viruses.  The EBV origin of plasmid synthesis, oriP, efficiently supports DNA synthesis in higher eukaryotic cells.  This origin uses...
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The Epstein-Barr virus (EBV) is a member of the Herpes family of viruses.  The genome of this virus usually is maintained as a nuclear plasmid in the cells it infects.  A replication origin (oriP) i...
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Human embryonic stem (ES) cells are potentially capable of supplying cells and tissues for replacement of defective human tissue. However, procedures currently used to culture human ES cells involve t...
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