Research Article
An Improved Method for Soil DNA Extraction to Study the Microbial Assortment within Rhizospheric Region
Table 2
Comparison of amount, purity of DNA, and humic acid contamination extracted from various isolation protocols.
| DNA extraction protocol | Amount of DNA (µg/mL) | | |
| DNA extraction using PEG/NaCl method [8] | 0.73 | 1.12 | 1.26 | DNA extraction using commercial soil DNA extraction kit (Soil Master DNA extraction kit; EPICENTRE, Madison, WI, USA) | 0.79 | 1.21 | 1.32 | DNA extraction by mannitol-PBS-PEG/NaCl method | 2.20 | 1.84 | 1.81 | DNA extraction by mannitol-PBS-PCI method | 2.36 | 1.93 | 1.84 | DNA extraction by mannitol-PBS-CTAB method | 2.67 | 2.07 | 1.85 |
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