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This indirect extraction of the dna of non-culturable and dna can be obtained by said other
This indirect extraction of the dna of non-culturable and dna can be obtained by said other
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机译:所述不可培养的dna和dna的这种间接提取可以通过所述另一种方法获得。
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摘要
The invention concerns a method for indirectly extracting DNA target with a size greater than 300 kB from non-cultivable organisms contained in an environmental sample which consists in: grinding said sample in liquid medium; recuperating the resulting ground material; separating the organisms from the rest of the ground material by sedimentation on a cushion with density higher than 1; recuperating the organisms isolated at the surface of the cushion and incorporating it in an agarose block; extracting the DNA by lysis in the agarose block; placing the block in an agarose gel which is subjected to at least pulsed field electrophoresis; finally, recuperating the extracted DNA strands.
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