Fig. 2From: Identification and analysis of long non-coding RNAs and mRNAs in chicken macrophages infected with avian infectious bronchitis coronavirusLncRNA identification Process, “u” (unknown intergenic transcript), “i” (a transfrag falling entirely within a reference intron), and “x” (exonic overlap with reference on the opposite strand). The number on the right side of the picture represents the number of transcripts filtered out from each stepBack to article page