AI Summary

Research has identified a mechanism by which certain DNA sequences in Bacillus subtilis protect genes from premature termination. The mechanism involves sequences rich in purine bases, which appear to shield genes from the Rho termination factor. This factor is a quality-control protein that can cut off the transcription process prematurely. The discovery challenges a long-held assumption about the close coupling of transcription and translation in bacteria, suggesting that these processes may not be as tightly linked as previously thought.

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