ANÁLISIS NUMÉRICO Acetyl Coenzyme A Aerobiosis Arca B2-AlFe phase Bacterial Outer Membrane Proteins Carbon Carbon Isotopes Ciencias Exactas Escherichia coli Escherichia coli Proteins Física Gene Deletion Gene Expression Regulation, Bacterial Glucose Metabolic Networks and Pathways Oxidation-Reduction Oxygen Pyruvic Acid Repressor Proteins Staining and Labeling acetyl coenzyme A argón article bacterial growth bacterial metabolism carbon 13 carbon metabolism enzyme activity gene deletion