“Evidence for a second class of S-adenosylmethionine riboswitches and other regulatory RNA motifs in alpha-proteobacteria.”, Genome Biol, vol. 6, no. 8, p. R70, 2005. ,
“Riboswitches as versatile gene control elements.”, Curr Opin Struct Biol, vol. 15, no. 3, pp. 342-8, 2005. ,