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Comparison of Three DNA Extraction Kits to Establish Maximum Yield and Quality of Coral-Associated Microbial DNA

机译:三种DNa提取试剂盒的比较建立珊瑚相关微生物DNa的最大产量和质量

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Coral microbiology is an expanding field, yet there is no standard DNA extraction protocol. Although many researchers depend on commercial extraction kits, no specific kit has been optimized for use with coral samples. Both soil and plant DNA extraction kits from MO BIO Laboratories, Inc. have been used by many research groups for this purpose. MO BIO recently replaced their PowerPlant kit with an improved PowerPlantPro kit, but it was unclear how these changes would affect the kits use with coral samples. In order to determine which kit produced the best results, we conducted a comparison between the original PowerPlant kit, the new PowerPlantPro kit, and an alternative kit, PowerSoil, using samples from several different coral genera. The PowerPlantPro kit had the highest DNA yields, but the lack of 16S rRNA gene amplification in many samples suggests that much of the yield may be coral DNA rather than microbial DNA. The most consistent positive amplifications came from the PowerSoil kit.

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