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2016 ; 12
(ä): 33-39
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Nucleic acid protocols: Extraction and optimization
#MMPMID28352552
El-Ashram S
; Al Nasr I
; Suo X
Biotechnol Rep (Amst)
2016[Dec]; 12
(ä): 33-39
PMID28352552
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Yield and quality are fundamental features for any researchers during nucleic
acid extraction. Here, we describe a simplified, semi-unified, effective, and
toxic material free protocol for extracting DNA and RNA from different
prokaryotic and eukaryotic sources exploiting the physical and chemical
properties of nucleic acids. Furthermore, this protocol showed that DNA and RNA
are under triple protection (i.e. EDTA, SDS and NaCl) during lysis step, and this
environment is improper for RNase to have DNA liberated of RNA and even for DNase
to degrade the DNA. Therefore, the complete removal of RNA under RNase influence
is achieved when RNase is added after DNA extraction, which gives optimal quality
with any protocols. Similarly, DNA contamination in an isolated RNA is degraded
by DNase to obtain high-quality RNA. Our protocol is the protocol of choice in
terms of simplicity, recovery time, environmental safety, amount, purity, PCR and
RT-PCR applicability.