I am working on both mouse and human samples for gene expression studies. Do you have one endogenous control that I can use with both species?

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The 18S rRNA is highly conserved among eukaryotes. We have several configurations of assays for this gene: P/N 4331182, Assay ID: Hs99999901_s1; PN 4319413E, 4310893E, 4333760T, 4333760F, 4308329. You can use any of these for both human and mouse samples, as well as samples from any other eukaryotic species.

Answer Id: E2483

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When using the TaqMan® Gene Signature Plates, should I mix the reactions after adding the master mix and template to the wells containing lyophilized primers and probe?

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No, but it is recommended that the plate be centrifuged to draw down the liquid to the bottom of the wells.

Answer Id: E1370

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c6fa0858af353629b94e322efb5117f3_FAQ

What are the key features of a TaqMan® MGB probe?

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Answer

TaqMan® MGB probes have a nonfluorescent quencher at the 3´ end and a minor groove binder at the 3´ end that increases the melting temperature (Tm) of probe, allowing the use of shorter probes.  For more information on MGB probes, please consult the following manual: "Primer Express v1.5 and TaqMan® MGB Probes for Allelic Discrimination: All PCR Instruments: User Bulletin." You can find a copy on our website by entering this title in the main search box.

Answer Id: E1371

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