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sample_collection_and_dna_extraction [2012/02/22 16:14]
csbq_qcbs
sample_collection_and_dna_extraction [2013/11/20 15:24] (current)
anniearchambault
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 ===Guidelines for preserving DNA integrity in biological samples===  ​ ===Guidelines for preserving DNA integrity in biological samples===  ​
-The guidelines listed below, organized according to the type of organism, follow recommendations from Nagy 2010((Nagy, Z.T., 2010. A hands-on overview of tissue preservation methods for molecular genetic analyses. Organisms Diversity & Evolution 10, 91–105[[http://​www.springerlink.com/​content/​c81h415005u27534/​fulltext.html|10.1007/​s13127-010-0012-4]])) and from QCBS members and students. In addition to the diverse methods developed, universal commercial solutions, such as [[http://​www.qiagen.com/​products/​rnastabilizationpurification/​rnalaterrnaprotectsystems/​rnalaterrnastabilization.aspx#​Tabs=t0|RNAlater]],​ are now available for any type of samples or organisms. ​+The guidelines listed below, organized according to the type of organism, follow recommendations from Nagy 2010((Nagy, Z.T., 2010. A hands-on overview of tissue preservation methods for molecular genetic analyses. Organisms Diversity & Evolution 10, 91–105[[http://​www.springerlink.com/​content/​c81h415005u27534/​fulltext.html|10.1007/​s13127-010-0012-4]])) and from QCBS members and students. In addition to the diverse methods developed, universal commercial solutions, such as [[http://​www.qiagen.com/​products/​rnastabilizationpurification/​rnalaterrnaprotectsystems/​rnalaterrnastabilization.aspx#​Tabs=t0|RNAlater]],​ are now available for any type of samples or organisms. ​The RNAlater solution is reported to be made of 25 mM Sodium citrate trisodium salt dihydrate, 10 mM EDTA, 70 g/100 ml Ammonium Sulfate; adjusted to a pH of 5.2 with 1M H<​sub>​2</​sub>​SO<​sub>​4</​sub>​. ​  
  
 ==Small to large animals== ​ ==Small to large animals== ​