| Cross Index | Lactobacillus |
| SuperSet | Prokaryote, Eubacteria Regular, Nonsporing Gram-Positive Rods |
| Compare | COMPARE WITH Streptococcus and Lactococcus Brochothrix, Carnobacterium, Caryophanon, Erysipelothrix rhusiopathiae, Kurthia, Lactobacillus, Listeria, Renibacterium salmoninarum |
| Contrast | Archaea |
| Subset |
| Morphology | Lactobacillus |
| CELLULAR |
| Staining | Gram positive |
| Morphology | rods that are long, slender and sometimes bent to short often coryneform coccobacilli |
| Motility | Motility is rare but when it occurs the flagella are peritrichous |
| Specialized structures | non-sporing |
| Division |
| COLONIAL |
| Solid surface |
| Liquid |
| Growth Parameters | Lactobacillus |
| PHYSIOLOGICAL |
| Tropism | |
| Oxygen | facultative anaerobes fermentative metabolism |
| pH | |
| Temperature | Grows at 35 C. |
| Requirements | |
| Products | metabolism is fermentative with large amounts of lactate produced from carbohydrates. lack cytochrome Nitrate reduction is unusual and only occurs when the terminal pH is above 6. Gelatin is not liquefied. hydrogen sulfide is not produced |
| Enzymes | lack catalase |
| Unique features | . |
| ENVIRONMENTAL |
| Habitat | found in dairy, grain, meat and fish products as well as water sewage, beer, fruits, fruit juices, sauerkaut, sour dough, sour mash. Part of the normal flora of the mouth, intestinal tract and vagina of many animals including humans |
| Lifestyle | |
| Pathogenicity | pathogenicity is rare. |
| Distribution |
| Genome | Lactobacillus |
| G+C Mol % |
| Reference | Lactobacillus |
| First citation | Beijerinck, M.W.1901. Anhaufungsversuche mit Ureumbakterien. Ureumspaltung durch Urease und durch Katabolismus. Zentralbl. Bakteriol. Parasitenkd. Infektionskr. Hyg. Abt. 2, 7:33-61 |
| The Prokaryotes | p |
| Bergey's Systematatic | p 1209 O. Kandler and N. Weiss |
| Bergey's Determinative | p 566 |
| References |