New Acoustic Reporter Genes: Ultrasound Imaging of Gene Expression
Type
Blog Post
Published
Jan. 24, 2023, 2:15 p.m.
...first-generation bacterial ARGs (bARGs), used in bacteria, expressed poorly at body temperature (37oC)... transposase and outgrow the cells for a several generations to dilute the unintegrated plasmids (Fig....imaging was used.
We set out to develop next-generation bARGs that could scatter ultrasound nonlinearly...Serratia sp. 39006.
We next tested bARGSer with several inducible expression systems in E. coli. The arabinose-inducible...L-arabinose at 37oC for at least 12 hours, or at lower temperatures for longer. Cultures induced with arabinose ...
ARG expression in mammalian cells
The first-generation mammalian ARGs (mARGs) enabled ultrasound visualization...in deep tissue. However, not unlike the first-generation bARGs, poor expression and acoustic properties...