Lactobacillus leichmanniiLactobacillusCobamideRibonucleotid-ReductasenVitamin B12CobaltisotopeLactobacillus caseiLactobacillus acidophilusLactobacillus plantarumBiologischer TestLactobacillus reuteriLactobacillus rhamnosusLactobacillus brevisEvolution, ChemicalEnzyklopädienRibonucleosiddiphosphat-ReductaseBiogenesisCytidindiphosphatHydroxyharnstoff