syntenic 16S ribosomal RNA + rRNA gene 16S rRNA mt-Rnr2 Rnr2 16S ribosomal RNA MGI:102492 mitochondrially encoded 16S rRNA O Gene http://identifiers.org/mgd/MGI:102492 16S rRNA|16SrRNA|16S ribosomal RNA|Rnr2 16S ribosomal RNA 16SrRNA