##gff-version 3
ctgA . microarray_oligo 1 50000 . . . Name=example;wigfile=/var/www/gbrowse2/databases/volvox/track001.ctgA.1202327456.wig
##gff-version 3
ctgA . microarray_oligo 1 50000 . . . Name=example;wigfile=/var/www/gbrowse2/databases/volvox/track001.ctgA.1202327456.wig