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GammaSTR® Multiplex
Description
The GammaSTR® Fluorescent STR System provides a rapid, non-radioactive method designed
to obtain a DNA type, or genetic fingerprint using very small amounts (e.g., 1ng) of
human DNA. The four STR loci that are included in this multiplex system, D16S539,
D7S820, D13S317 and D5S818, contain alleles of discrete and separable lengths.
This allows the construction of allelic ladders that contain fragments of the
same length as several or all known alleles for the locus. Visual comparison
between the allelic ladder and amplified samples of the same locus allows rapid
and precise assignment of alleles.
Features
Efficient:
- Less than one day required for sample to data analysis. The GammaSTR® Fluorescent STR
System allows simultaneous amplification of four STR loci (D16S539, D7S820, D13S317 and
D5S818) for high discrimination power.
Convenient:
- Results obtained using the GammaSTR® Fluorescent STR System can be recorded in a
digitized format, allowing direct comparison with stored databases.
Sensitive:
- Amplification of 1-25ng of genomic DNA.
Tolerant:
- More tolerant of degraded DNA than other typing methods.
Precise:
- Alleles are displayed at discrete and separable lengths.
Easy Transition:
- Promega’s STR systems allow the customer to transition easily from a
silver system format to the fluorescence detection format of the
GenePrint® STR Systems, while using the same loci in each system.
Outstanding Technical Support:
- Promega Technical Services Representatives are highly trained scientists
who provide exceptional support for the entire Promega product line.
Promega also provides technical training and support for its global
distribution network and conducts customer training workshops in human DNA typing.
System Components
- » STR 10X Primer Pairs (Fluorescein)
- » STR Allelic Ladder (Fluorescein)
- » STR 10X Buffer
- » K562 DNA, High Molecular Weight
- » STR 2X Loading Solution
- » Bromophenol Blue Loading Solution
- » Blue Dextran Loading Solution
- » Gel Tracking Dye
Figures

Figure 1. GammaSTR ® Multiplex
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