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RM_JAN22 is being repeated starting at PCR to increase the diversity of MIDs. Since we used two consecutive 16S MID plates for the first PCR, we suspect that this is causing the clusters to be too similar to properly pass through the flow cell. To fix this issue, the new PCR set up only used one MID plate (16S0H616S0H5) and was set up as follows:

...

Full result report can be viewed below:

View file
nameRM_JAN22_II.csv

Pool qPCR results:

View file
nameLRII_RMJAN22II_POOLS.csv

iSeq Run:

Dilute to 1 nM based off qPCR results. qPCR results are in pM, but 1:1000 dilution used. The results are effectively in nM for pool.

  • 1000/Results = ul of Pool to Add

1000/32.25 = 31uL of Pool to Add

  • 1000 - uL of Pool to Add = ul of “10 mM Tris 8.5” to Add

1000- 31 = 969uL of 10mM Tris 8.5

*1nM pool will be combined with 1nM pool for the low read 2.5 experiment. Directions for iSeq prep found here.