Complex sentence: Synthetic Genetic Array analysis was initially developed using the model organism "S.cerevisiae", but recently two groups have developed methods allowing SGA to be performed in "E.coli" Typas, A. et al.
Split into simpler sentences: Synthetic Genetic Array analysis was initially developed using the model organism "S.cerevisiae". Nat Methods 4,861-866 (2007) and recently two groups have developed methods allowing SGA to be performed in "E.coli" Typas, A. et al.