a cloned fragment of spinach chloroplast dna carrying 140 bp of the 16s rrna gene and 691 bp upstream this gene has been analysed by dna sequencing , by in vitro transcription , by s1 mapping with chloroplast rnas and purified 16s rrna from 30s ribosomal subunits .
C0035899
rrna
C3537372
16s rrna