auxotroph,coliforms

a yeast sterol auxotroph
metabolic and genetic basis for auxotrophies in gram-negative
acetylmuramic acid (murnac) auxotrophy of the oral pathogen
植入前胚胎的1529细胞的转录组图谱 构建了滋养外胚层(trophectoderm
auxotrophy to xeno-dna: an exploration of combinatorial