Complex sentence: It has been shown that this sRNA is transcribed from an RpoS-dependent promoter under positive, probably indirect GacA control in two "Pseudomonas" species and renamed RgsA (for regulation by GacA and stress).
Split into simpler sentences: It has been shown that this sRNA is transcribed from an RpoS-dependent promoter under positive, probably indirect GacA control in two "Pseudomonas" species. It was renamed RgsA (for regulation by GacA and stress).