TRNA and Rrna are two of these possible forms.
The 37 genes of mitochondrial DNA encode for: proteins,
tRNA and Rrna.
It is unclear why the effects of a reduction in Rrna are limited to facial development.
Mitochondrial DNA has very few non-coding nucleotide sequences, that is, that do not produce any protein,
tRNA or Rrna.
Microbiologists often rely on molecular biology tools such as DNA sequence based identification,
example 16s Rrna gene sequence used for bacteria identification.
The tRNA and Rrna molecules are fundamental to the synthesis of the above 13 proteins,
as they make up the machinery that regulates their production.
The bacterial order Chlamydiales includes only obligately intracellular bacteria that have a chlamydia-like developmental cycle of replication and
at least 80% 16S Rrna or 23S Rrna gene sequence identity
with other members of Chlamydiales.