Yan, Q., Lopes, L., Shaffer, B., Kidarsa, T., Vining, O., Philmus, B., … Loper, J. (2018). Secondary Metabolism and Interspecific Competition Affect Accumulation of Spontaneous Mutants in the GacS-GacA Regulatory System in <i>Pseudomonas protegens</i>. MBio, 9(1). https://doi.org/10.1128/mBio.01845-17 (Original work published 2018)