Bacillus subtilis RecA and its accessory factors, RecF, RecO, RecR and RecX, are required for spore resistance to DNA double-strand break.
Vlašić I, Mertens R, Seco EM, Carrasco B, Ayora S, Reitz G, Commichau FM, Alonso JC, Moeller R. Nucleic Acids Res. 2014 Feb; 42(4):2295-307. Epub 2013 Nov 26.