Sergei L Mekhedov

Prevalence of intron gain over intron loss in the evolution of paralogous gene families.

Eugene V Koonin, E. Koonin, I. Rogozin, 2004, Nucleic acids research.

Genomic determinants of sporulation in Bacilli and Clostridia: towards the minimal set of sporulation-specific genes

Michael Y. Galperin, Daniel J Rigden, Yuri I Wolf, 2012, Environmental microbiology.