Gin allows sigma-F to delay late forespore transcription by preventing sigma-G to take over before the cell has reached a critical stage of development. Gin is also known as CsfB [1].

1: How the early sporulation sigma factor sigmaF delays the switch to late development in Bacillus subtilis. Karmazyn-Campelli C, Rhayat L, Carballido-Lopez R, Duperrier S, Frandsen N, Stragier P; Mol Microbiol. 2008;67:1169-1180. PMID:18208527