This function downloads gff files of query organisms from ENSEMBL.
getENSEMBL.gtf(
organism,
type = "dna",
id.type = "toplevel",
path,
release = NULL
)
character filepath to download file, returns FALSE if failed.
scientific name of the organism of interest.
biological sequence type.
a character, default "toplevel". id type of assembly, either toplevel or primary_assembly usually.
location where file shall be stored.
a numeric, the database release version of ENSEMBL (db = "ensembl"
). Default is release = NULL
meaning
that the most recent database version is used. release = 75
would for human would give the stable
GRCh37 release in ensembl. Value must be > 46, since ensembl did not structure their data
if the standard format before that.
Hajk-Georg Drost