Is there a difference between 16S rDNA and 16S rRNA sequencing?

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Christian Rückert

Well, as the name suggests, the first would be sequencing of the DNA encoding the 16S subunit of the rRNA, the other sequencing of the rRNA itself, most likely after reverse transcription. I am not aware that someone really does the latter (16S rRNA sequencing) so I would goes that it is just an imprecise expression by some people.

But it is of course possible...