Download GFF3 Annotation from Ensembl — retrieve_ensembl

Download GFF3 annotation file from Ensembl database.

Usage

retrieve_ensembl_gff3(
  species = "mus_musculus",
  release = 115,
  only_chr = TRUE,
  dest_dir = tempdir()
)

Arguments

species: Species name (e.g., "mus_musculus", "homo_sapiens").
release: Ensembl release version (e.g., 115).
only_chr: Logical. If TRUE, download only chromosomes (chr). Default TRUE.
dest_dir: Destination directory. Default is session temporary directory.

Value

A character string of the downloaded file absolute path.

Author

benben-miao

Examples

if (FALSE) { # \dontrun{
# Download Human GFF3 (Chr only)
# gff_file <- retrieve_ensembl_gff3(
#   species = "homo_sapiens",
#   release = 115,
#   only_chr = TRUE,
#   dest_dir = tempdir())
} # }