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DNA, Single-Stranded: A single chain of deoxyribonucleotides that occurs in some bacteria and viruses. It usually exists as a covalently closed circle.

Laser Microirradiation to Study In Vivo Cellular Responses to Simple and Complex DNA Damage

1Department of Biological Chemistry, School of Medicine, University of California, Irvine, 2Beckman Laser Institute and Medical Clinic, University of California, Irvine, 3Department of Developmental and Cell Biology, School of Biological Sciences, University of California, Irvine, 4Department of Biomedical Engineering and Surgery, University of California, Irvine

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JoVE 56213


 JoVE In-Press

Yeast Transformation and Cloning

JoVE 5083

S. cerevisiae are unicellular eukaryotes that are a commonly-used model organism in biological research. In the course of their work, yeast researchers rely upon the fundamental technique of transformation (the uptake of foreign DNA by the cell) to control gene expression, induce genetic deletions, express recombinant proteins, and label subcellular structures.

This video provides an overview of how and why yeast transformation is carried out in the lab. The important features of yeast plasmids will be presented, along with the procedure required to prepare yeast cells to incorporate new plasmids. The presentation also includes a step-by-step protocol for the lithium acetate method of yeast transformation. Finally, examples of the many applications of this essential technique will be provided.


 Biology I

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