Massoni SC, Leeson MC, Long J E, Gemme K, Mui A, Sandler SJ.  2012.  Factors Limiting SOS Expression in Log-Phase Cells of Escherichia coli.. J Bacteriol. 194(19):5325-33.

Long J E, Massoni SC, Sandler SJ.  2010.  RecA4142 causes SOS constitutive expression by loading onto reversed replication forks in Escherichia coli K-12.. J Bacteriol. 192(10):2575-82.

Long J E, Renzette N, Centore RC, Sandler SJ.  2008.  Differential requirements of two recA mutants for constitutive SOS expression in Escherichia coli K-12.. PLoS One. 3(12):e4100.