西亞試劑：：Perlegen Assay Design Protocol

Perlegen Assay Design Protocol

Description: Long-range PCR assays were designed using Oligo primer design software
(Molecular Biology Insights).  Primers were selected to have similar
stringency and to map uniquely to NCBI Build 33.  From a collection of
all suitable candidate primers, we used custom software to select a
minimum spanning set having maximum coverage with minimal overlap
between adjacent amplicons.

Genotyping arrays of 25-bp oligonucleotides were designed as four sets
of 20 features (80 features per SNP), corresponding to forward and
reverse strand tilings of sequences complementary to each of two SNP
alleles.  A set of 20 features consisted of five sets of 4 features
where the location of the SNP within the oligonucleotide varies from
position 11 to position 15.  A set of four features consisted of
sequences where A, C, T, or G is substituted at position 13.  Thus,
each set of four features provided one perfect match to the sequence
of the corresponding SNP allele and three features with a single-base
mismatch for that allele.  Mismatch probes were used to measure
background, and by comparison with the signal for the perfect match
probes, to detect the presence or absence of a specific PCR product

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