title: Preface.
mesh_terms: D004926:Escherichia coli / Q000235:genetics / Q000378:metabolism; D012441:Saccharomyces cerevisiae / Q000235:genetics / Q000378:metabolism; D049490:Systems Biology / Q000379:methods; D014346:Trypanosoma brucei brucei / Q000235:genetics / Q000378:metabolism