Tag Archives: H.crach_h-1fg_intron

qPCR – Abalone cDNA (07:12 set from 3/3/2009 by Lisa) and DNased RNA (from 20090623)

This is nearly a repeat of the qPCR earlier today due to the fact that the positive control never amplified. This is being done to check whether or not there is gDNA contamination in these cDNA and DNased RNA. Will use H.crach_h-1fg_intron primers. In hopes of remedying the positive control issue, I have used three sets of gDNA and used 5uL instead of the usual 1uL for their respective reactions. qPCR plate layout/set up is here. Anneal temp 50C.

Results: No detectable amplification in any gDNA sample. However, one sample did produce a melting curve peak, while no other samples did. Still doesn’t provide me with anything useable. Will get good gDNA from Freidman Lab ASAP.

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qPCR – Abalone cDNA (07:12 set from 3/3/2009 by Lisa) and DNased RNA (from 20090623)

This is being done to check whether or not there is gDNA contamination in these cDNA and DNased RNA. Will use H.crach_h-1fg_intron primers. gDNA 07:12-15 was used as a positive control, based on results from yesterday’s qPCR. qPCR plate layout/set up is here. Anneal temp 50C.

Results: Everything came up negative, including the positive control! Also, the machine experienced an error at ~cycle 39, so no melting curve info. See below.

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qPCR – Abalone gDNA

Used up the remainder of the one positive control gDNA that worked with all the primers in yesterday’s reaction (H.crach_h-1fg_intron, H.iris_actin_intron, H.crach_16s), so need to find a new set of gDNA to use for future positive controls. qPCR plate layout/set up is here. Anneal temp 50C. Used the following gDNA with :

06:50-9 – This was the good gDNA used as previous controls. Added 10uL of H2O to the tube in hopes of getting more useable DNA.

06:4-7 – No date/info available on tube.

07:12-15 – No date/info available on tube.

Results: Got decent signals with the H.crach_h-1fg primers for two of the three gDNAs. Will use the 07:12-15 gDNA as a positive control for tomorrow’s qPCR.

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qPCR – Abalone gDNA/cDNA

Due to lack of amplification in gDNA samples from 20090710 and 20090708 with either set of intron primers, will repeat with additional gDNA samples to make sure the primers are the problem and not the gDNA. Used the H.iris_actin_intron_Fw/Rv and the H.crach_h-1fg_intron_Fw/Rv primers. PCR setup/plate layout is here. Anneal temp 50C.

Results: Got a weak signal (C(t) ~ 37) in only the 06:50-9 rxns, but it did work with both primer sets.

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qPCR – DNased Abalone Dg RNA from 20090625

Ran qPCR on DNased Abalone Dg RNA (07:12 Set), gDNA (06:50-10) and clean cDNA (from 20090422) using primers (H.crach_h-1fg_intron_Fw/Rv) designed to bind only to a region in an intron of the H.cracherodii hemocyanin gene. PCR setup/plate layout is here. Anneal temp of 50C was used.

Results: No PCR products in any samples, not even the positive control. It seems that the primers don’t work. Will design new primers, probably from a different species of abalone since there was essentially only one gene in H.cracherodii that had any intron sequence available..

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