Evolution recovers the fitness of Acinetobacter baylyi strains with large deletions through mutations in deletion-specific targets and global post-transcriptional regulators.

The prophage deletions only occurred in LB and were mostly found in clones that evolved from the MGD15 and MGD17 ancestors, though the overall ancestor-specific association was only marginally significant after adjusting for multiple testing in this case (adjusted p = 0.057).

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