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Analysis of Aspergillus Flavus by Real-Time PCR Method (CAT#: STEM-MB-3259-LGZ)

Introduction

Aspergillus flavus is a member of the Aspergillus genus which contains more than 100 recognized species, most of which grow well on common synthetic or semi-synthetic media and around 50 of which have been shown to produce toxic metabolites.<br />A real-time polymerase chain reaction (real-time PCR, or qPCR) is a laboratory technique of molecular biology based on the polymerase chain reaction(PCR). It monitors the amplification of a targeted DNA molecule during the PCR(i.e.,in real time), not at its end, as in conventional PCR.<br />Two common methods for the detection of PCR products in real-time PCR are(1)non-specific fluorescent dyes that intercalate with any double-stranded DNA and (2)sequence-specific DNA probes consisting of oligonucleotides that are labelled with a fluorescent reporter, which permits detection only after hybridization of the probe with its complementary sequence.




Principle

Primers and other components are optimized with high sensitivity. We designed positive controls to distinguish false negative samples. PCR is highly specific, and primers are designed according to highly conserved areas, which do not cross-react with other DNA/RNA.

Applications

It can be used for both qualitative and quantitative detection. The linear range is at least 5 orders of magnitude when used for quantitative detection.

Procedure

1. Sample processing and preparation of PCR reaction system.
2. Add the amplification template, cover the PCR reaction cover, mix well, centrifuge at low speed instantaneously, and transfer to the PCR instrument.
3. Set the program for PCR amplification.
4. Data analysis.

Materials

• Sample Type: DNA