Protocols for DNA Purification
 
Quick DNA purification protocol

 

A quick "dirty" prep is usually sufficient, while some genotyping may work better with highly purified DNA. Determine empirically which protocol works best for your genotyping.

1. NaOH extraction (quick "dirty" DNA preparation). Reference: Truett GE et al. 2000. Biotechniques 29(1):52-54

l       Cut 2mm of tail and place into an Eppendorf tube or 96-well plate.

l       Add 75ul 25mM NaOH / 0.2 mM EDTA.

l      Place in thermocycler at 98oC for 1 hour, then reduce the temperature to 15ˇăC until ready to proceed to the next step.

l      Add 75ul of 40 mM Tris HCl (pH 5.5).

l       Centrifuge at 4000rpm for 3 minutes.

l      Take an aliquot for PCR (use 2 ul undiluted, or 2 ul of a 1:100 dilution/reaction).

 

Protocol 1: Notes on the Purification of DNA with Glass Milk
 
Protocol 2: DNA Purification Method (Electroelution Protocol)
 
 

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