Is it better to sacrifice the mice and take feces directly inside their colon or collect feces in cages?
What is the most suitable DNA extraction kit for microbiota?
it may help you
The Impact of Different DNA Extraction Kits and Laboratories upon the Assessment of Human Gut Microbiota Composition by 16S rRNA Gene Sequencing
http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0088982
Thank you very much!
Finally, I used the QIAGEN kit "DNA Fast stool extraction" and it worked properly for my experiments.
PureLink Microbiome DNA purification kit (Invitrogen) works really well on stool samples, and has protocols for other samples as well (saliva, urine, swabs)
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