Evaluation of Salt-out Method for the Isolation of Dna from Whole Blood: a Pathological Approach of Dna Based Diagnosis
نویسندگان
چکیده
A number of methods have been described for the isolation of genomic DNA from whole blood. However, these described methods are either unreliable or too expensive to be used routinely in small diagnostic laboratories of developing countries. We have evaluated the slightly modified salt-out method for DNA isolation so that it can be applied on whole blood samples using a three step procedure: (1) lysis of RBC; (2) removal of protein; and (3) precipitation of DNA. We compared the yield of DNA per mL of blood using our modified salt-out DNA extraction method, (40.8 ± 4.3 g) with Phenol-chloroform extraction (38.5 ±7.3 g) or QIAamp DNA Mini kits (35. 3± 5.4 g). The described method allows simple, fast and cost efficient DNA extraction with qualitative parameters maintained and comparable to those of other extraction method described.
منابع مشابه
Evaluation of a modified salt-out method for DNA extraction from whole blood lymphocytes: A simple and economical method for gene polymorphism
Extraction of high-quality and-quantity DNA is a fundamental requirement for genetic research. It is very important to address the use of DNA extraction methods that are simple and cost-effective in gene polymorphism with large number of samples. This study was designed to investigate the optimal DNA extraction from lymphocytic cells by salt-out method. In this study, 200 blood samples of the t...
متن کاملPhenol-stacked carbon nanotubes: A new approach to genomic DNA isolation from plants
Extraction of intact quality DNA from plant tissues, especially those rich in secondary metabolites, is often challenging. Literally, hundreds of different DNA isolation protocols from various plant species have been published over the last decades. Although many commercial DNA isolation kits are convenient and designed to be safe, their cost and availability cause limitations in small molecula...
متن کاملAn efficient and simple CTAB based method for total genomic DNA isolation from low amounts of aquatic plants leaves with a high level of secondary metabolites
An efficient DNA isolation protocol specifically modified to get pure quality DNA required for molecular studieshas been reported in this paper. Some aquatic plants (Potamogeton spp., Ceratophyllum demersum and Myriophyllum spicatum) were used for the study. The protocol developed will be useful in getting high and pure DNA. Instead of using the available DNA extraction kits, this protocol can ...
متن کاملIsolation and identification of Eurotium species from contaminated rice by morphology and DNA sequencing
30 milled rice samples were collected from retailers in four states of Malaysia. These samples were evaluated for Eurotium spp. contaminations by direct plating on malt extract salt agar (MESA). All Eurotium were isolated and identified based on morphology and nucleotide sequences of internal transcribed spacer 1 (ITS1) and ITS2 of the rDNA. Four Eurotium species (E. rubrum, E. amstelodami, E....
متن کاملMeDIP Real-Time qPCR has the Potential for Noninvasive Prenatal Screening of Fetal Trisomy 21
This study aimed to verify the reliability of the 7 tissue differentially methylated regions used in the methylated DNA immunoprecipitation (MeDIP) real-time quantitative polymerase chain reaction (real-time qPCR) based approach of fetal DNA in maternal blood to diagnosis of fetal trisomy 21. Forty pregnant women with high risk pregnancy who were referred after first or second trimester screeni...
متن کامل