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  • Title: [Comparison of mtDNA extraction from different parts of sarcosaphagous insects].
    Author: Guo YD, Cai JF, Su RN, Chang YF, Lan LM, Li X, Wen JF.
    Journal: Fa Yi Xue Za Zhi; 2010 Oct; 26(5):336-9. PubMed ID: 21287735.
    Abstract:
    OBJECTIVE: To explore mitochondrial DNA (mtDNA) extraction effects of different parts from sarcosaphagous insects using improved cetyltriethylammnonium bromide (CTAB) method. METHODS: Thirteen Lucilia sericata (Meigen) and 13 Nicrophorus fossor (Erichson) were collected from the corpses of rabbits placed on the outdoor lawn in Huhehot district. Four parts (head, chest muscle, legs and wings) of insect were collected, and the mtDNA of all samples were extracted using CTAB method. The purity and concentration were tested using protein and nucleic acid spectrophotometry. The integrity of the extracted mtDNA and PCR products were checked by agarose gel electrophoresis. The PCR products were sequenced and the obtained sequences were imputed into GenBank for comparison. RESULTS: mtDNA were successfully extracted from 10 head samples, 6 legs samples, 4 wing samples and 13 chest muscle samples of the Lucilia sericata (Meigen). Also, mtDNA were successfully extracted from 5 head samples, 8 legs samples, 3 wing samples and 13 chest muscle samples of the Nicrophorus fossor (Erichson). CONCLUSION: mtDNA can be obtained from chest muscle and other parts of sarcosaphagous insects using the improved CTAB method.
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