A simple and novel DNA combing methodology for Fiber-FISH and optical mapping
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Add time:08/04/2019 Source:sciencedirect.com
Single molecule analysis can help us study genomics efficiently. It involves studying single DNA molecules for genomic studies. DNA combing is one of such techniques which allowed us to study single DNA molecules for multiple uses. DNA combing technology can be used to perform Fiber-FISH and optical mapping. Physical mapping of genomes can be studied by restriction digestion of combed DNA on glass slides. Restriction fragments can be arranged into optical maps by gathering fluorescent intensity data by CCD camera and image analysis by softwares. Physical mapping and DNA segment rearrangements can be studied by Fiber-FISH which involves application of probes on genomic DNA combed over glass slides. We developed a novel methodology involving combing solution optimization, denatured combed DNA and performed restriction digestion of combed DNA. Thus we provided an efficient and robust combing platform for its application in Fiber-FISH and optical mapping.
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