This protocol describes a rapid and simple method to produce bacterial lysate for cell-free gene expression, using an engineered strain of Escherichia coli and requiring only standard laboratory equipment.
A long-term preservation method for Drosophila strains as an alternative to the frequent transfer of adult flies to fresh food vials is highly desirable. This protocol describes the cryopreservation of Drosophila primordial germ cells and strain revival via their transplantation to agametic host embryos.
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