Hello,
I am new to using biomaRt, and I use it via the R/Bioconductor package.
However, there are some things I do not understand.
1) What is the difference between: "with_illumina_humanht_12" and
"illumina_humanht_12" in the filters,
2) What version of the Illumina HT12 chip is used? This is unclear. As
for the WG6 chips it is mentioned V1,V2 or V3, HT12 have 4 versions out
so far, so which version does the information in the BiomaRt correspond to?
R code:
listMarts(host="www.ensembl.org")
ensembl = useMart("ENSEMBL_MART_ENSEMBL", host="www.ensembl.org",
dataset="hsapiens_gene_ensembl")
filt = listFilters(ensembl)
filt[grep("illumina", filt[[1]], ignore.case=TRUE), ]
name description
12 with_illumina_humanwg_6_v1 with Illumina HumanWG 6 v1 ID(s))
13 with_illumina_humanwg_6_v2 with Illumina HumanWG 6 v2 ID(s)
14 with_illumina_humanwg_6_v3 with Illumina HumanWG 6 v3 ID(s)
15 with_illumina_humanht_12 with Illumina Human HT 12 ID(s)
125 illumina_humanwg_6_v1 Illumina HumanWG 6 V1 ID(s) [e.g. 0000940471]
126 illumina_humanwg_6_v2 Illumina HumanWG 6 V2 ID(s) [e.g. ILMN_1748182]
127 illumina_humanwg_6_v3 Illumina HumanWG 6 v3 ID(s) [e.g. ILMN_2103362]
128 illumina_humanht_12 Illumina Human HT 12 ID(s) [e.g. ILMN_1672925]
Many Thanks in advance,
Natasha
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