Newly discovered mechanism could regulate gene activity

Many bacterial species have genes called mraZ and mraW, which are located in a cluster of genes that regulate cell division and cell wall synthesis. Despite the prevalence of these two genes, very little is known about their functions. This study reveals that mraZ and mraW work in opposing ways to control cell growth and division, and that mraZ encodes a transcription factor that binds DNA to potentially regulate the activity of many other genes.

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