Android 2019 - 16s Rrna Sequence, 16s rrna sequencing analysis | microbiome analysis, 16s rrna sequencing can lead to the development of completely new species. the conserved variable regions facilitate sequencing and phylogenetic classification. researchers can achieve species level sensitivity for metagenomic surveys of bacterial populations.. 16s rrna gene sequencing for bacterial identification in, Species identification definition using 16s rrna gene sequence data. unfortunately, no universal definition for species identification via 16s rrna gene sequencing exists, and authors vary widely in their use of acceptable criteria for establishing a “species” match (table (table1). 1). in none of these studies does the definition of a species “match” ever exceed 99% similarity (<1% divergence).. 16s ribosomal rna sequencing (theory) : microbiology, Signature sequences are some specific base sequences which are always found in all groups of organisms. these unique dna sequences are about 5–10 bases long and found specifically in the 16s rrna location, and are unique to many major groups of prokaryotic organisms, archaea and eukarya..