BcMag™ One-Step Insect DNA Purification Kit

Invasive insects can devastate ecosystems and cost billions of dollars in management costs and lost revenue each year. Rapid detection is a vital step in preventing the spread of invasive insects, but detection capabilities must be improved for bulk collections such as those from sticky traps. High-quality DNA extraction from insects is required for reproducible DNA analysis using quantitative PCR, genotyping by sequencing (GBS), or next-generation sequencing (NGS). Standard procedures for extracting insect DNA can be exceedingly Time consuming and labor intensive. Specific applications like plant genotyping demand a lengthy DNA extraction method. For example, traditional plant DNA extractions need a 4-hour to overnight digestion with proteinase K, followed by phenol: chloroform extraction and alcohol precipitation. Other techniques, such as silica bind and elute kits, have recently become available. Those techniques are based on positive chromatography purifying selection. High chaotropic salt concentrations, such as guanidine hydrochloride, bind DNA to silica. The silica column or beads is washed with a salt/ethanol solution after nucleic acid binding to eliminate additional biomolecules from the sample. Finally, the column or beads is eluted using Tris elution buffer or water to remove the pure DNA. Such bind-wash-elute procedures are time-consuming, requiring multiple washing and spinning steps. Repetitive spin steps can cause considerable DNA loss (20-40%) and shearing. Furthermore, chaotropic salts and other impurities can easily pass through the eluted DNA or RNA, compromising ultimate purity and quantification as well as downstream enzymatic activities like PCR. BcMag™ One-Step Insect DNA Purification Kit allows rapid, column-free extraction of genomic DNA from fresh, frozen, or stored insect specimens such as mosquitoes, bees, lice, ticks, and D. melanogaster The kit uses our unique proprietary magnetic beads and buffers to efficiently lyse cells and remove all impurities simultaneously in an aqueous buffer, leaving the DNA untouched. The procedure employs mild lysis conditions, avoiding harsh conditions such as alkaline lysis and toxic chemicals for lysing cells to maintain DNA integrity and the time-consuming cleanup of organic solvent from the sample. Furthermore, the magnetic beads eliminate PCR inhibitors from samples in a single step without DNA extraction. It increases DNA integrity, boosts nucleic acid yields, and minimizes DNA loss caused by typical DNA extraction techniques’ time-consuming “bind-wash-elute” procedure. Following sample lysis, the straightforward one-step extraction technique enables simultaneous processing of 96 samples and produces pure DNA in less than 30 minutes. Purified genomic DNA has the highest integrity and can be used in various downstream applications such as qPCR.

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