Aniruddha Tewary, Shreya Sengupta, Soumya Mukherjee, Nilanjana Hazra, Yon W. Ebright, Richard H. Ebright, Jayanta Mukhopadhyay. "<i>Bacillus subtilis</i>
                    σ
                    <sup>A</sup>
                    and
                    <i>Escherichia coli</i>
                    σ
                    <sup>70</sup>
                    lacking σ region 1.1 are not released during transcription initiation and elongation." Proceedings of the National Academy of Sciences (2025). https://doi.org/10.1073/pnas.2503801122