When an mRNA attaches to the small ribosomal subunit in bacteria, translation of the mRNA starts close to the 5' end of the mRNA molecule.
As soon as mRNA is transcribed in bacteria, it is translated into protein. In contrast to eukaryotic cells, bacteria lack a distinct nucleus that divides DNA from ribosomes, removing a barrier to translation. Transcription and translation take place concurrently in these species. mRNA translation initiation in bacteria begins as soon as the messenger RNA (mRNA) molecule's 5' end has been created. Transcription and translation are interdependent processes that take place in these prokaryotic species. A short ribosomal-binding region that is located near the mRNA's 5' end helps bacterial mRNA bind to the small ribosomal subunit at the beginning stages of translation.
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