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6 years ago in Case Study , Discussion By Keerthi Gupta
Steps involved in replica plating technique
What is the basic principle behind replica plating technique? How is it done? Any answers? Thank you in advance.
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By Vipin Kumar Answered 6 years ago
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By Zeba Malik Answered 6 years ago
1. Place a piece of sterile velvet on a cylindrical metallic block .
2. Mount the block with velvet facing upwards.
3. Invert the petri dish that includes the lawn of bacÂterial cells and press against the velvet. The projection fibres of the velvet act as inoculating needles and samples every single clone of the cells in the lawn. Next remove the petri dish and press dual phage coated agar against the velÂvet and save the original master plate.
5. This is followed by incubating the subsequent phage coated plates.
6. Colonies that appear on the phage coated plates represents muÂtant that arose during the occurrence of the cell divisions.
7. Mark the position and pick up the colony from the same location from the master plate.
9. Put this to a tube of broth and incuÂbate them to increase the total cell number and spread the sample over a fresh agar plate.
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By Yashti Iyer Answered 6 years ago
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