Method for extracting genome DNA (deoxyribonucleic acid) of rhinopithecus brelichi through feces sampling
A technology of the golden snub-nosed monkey and the genome is applied in the field of feces sampling to extract the genomic DNA of the golden snub-nosed monkey, which can solve problems such as difficult population genetic analysis, and achieve the effects of high purity, simple operation and low reagent toxicity.
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[0023] The present invention will be described in further detail below:
[0024] A method for fecal sampling and extraction of genomic DNA of Qianjin snub-nosed monkey includes the following steps:
[0025] Step 1: Take 2.5 g of Guizhou golden monkey feces frozen at -20°C for easy sterilization, add 30ml TE to dissolve, stir well and let stand for 2 min;
[0026] Step 2: Take 1 mL of the supernatant into a 1.5 mL Eppendorf tube, make 10 tubes, 4℃, 500 r / min, centrifuge for 5 min;
[0027] Step 3: Take the supernatant in another Eppendorf tube and centrifuge at 1500 r / min at 4°C for 5 minutes to obtain exfoliated cells from the intestinal wall;
[0028] Step 4: Add 0.5 mL of acetone pre-cooled at -20°C, wash the precipitate, 4°C, 1500 r / min, centrifuge for 5 min, pour off the acetone, repeat the washing 3 times, and dry;
[0029] Step 5: Add 600 μL of TE and 40 μL of lysozyme at a concentration of 50 mg / mL and incubate at 37°C for 30 min; centrifuge at 1 500 r / min at 4°C for 5 min, and di...
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