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Automated DNA purification from cultured cells and bacterial cultures using the QIAsymphony DSP DNA Mini Kit in combination with the QIAsymphony SP.
The QIAsymphony DSP DNA Mini Kit in combination with the Tissue_LC_200_V7_DSP and Tissue_HC_200_V7_DSP (user-validated) protocols for purification of total DNA from cultured cells and bacterial cultures is intended for molecular biology applications. This combination is not intended for the diagnosis, prevention, or treatment of a disease.
How much starting material can be used with the QIAsymphony DSP DNA Mini Kit on the QIAsymphony SP?
Tissue: If no information about the expected yield is available, we recommend starting with 25 mg sample material. Depending on the yield obtained, the sample size can be increased in subsequent preparations to a maximum of 50 mg.
FFPE: Up to 4 sections, each with a thickness of up to 10 µm, or 8 sections with a thickness of up to 5 µm and a surface area of up to 250 mm2, can be combined in one preparation.
FAQ ID -2927
Do tissue samples require pretreatment before loading onto the QIAsymphony SP for DNA extraction?
Yes. Samples have to be completely lysed and homogenized prior to automated processing on the QIAsymphony SP platform using the QIAsymphony DSP DNA Mini Kit. Tissue samples are lysed by proteinase K digestion. FFPE tissue samples are deparaffinized with Deparaffinization Solution or xylene/ethanol and lysed by proteinase K digestion. Insoluble material is pelleted by centrifugation. Lysates are placed on the QIAsymphony SP for purification of DNA (see protocol sheets for details).
FAQ ID -2926
What sample volumes can be used with the tissue HC and LC protocols on the QIAsymphony SP?
After pretreatment, 220 µl of the lysates must be transferred to the QIAsymphony SP to ensure that 200 µl of sample is processed.
FAQ ID -2992
What are the recommended lysis times for tissue samples on the QIAsymphony SP?
Lysis time varies depending on the tissue type processed. For recommended lysis times refer to the tissue protocol sheets. If lysis is incomplete after recommended lysis time, as indicated by the presence of insoluble material or highly viscous lysates, lysis time can be prolonged or insoluble material can be removed by centrifugation. Overnight lysis is possible and does not affect the preparation.
FAQ ID -2993
What sample types should be processed with the low content (LC) and high content (HC) protocols for DNA extraction on the QIAsymphony SP?
Tissues will give increased DNA yields when processed with the high content protocol, but the low content protocol in combination with a small elution volume (50µl) may be used if high DNA concentration is required. For FFPE tissue we recommend using the low content protocol.
FAQ ID -2989
Will mitochondrial DNA also be isolated using the DNA tissue protocols and QIAsymphony DSP DNA Mini Kit on the QIAsymphony SP?