Image Source: Creative Market and India Mart.
Some of the characteristics are as follows:
Basic Characteristics | Properties (Lactobacillus spp.) |
Capsule | Negative (-ve) |
Catalase | Negative (-ve) |
Citrate | Negative (-ve) |
Flagella | If present, peritrichous |
Gas | Negative (-ve) |
Gelatin Hydrolysis | Negative (-ve) |
Gram Staining | Gram positive |
H2S | Negative (-ve) |
Indole | Negative (-ve) |
Motility | Mostly Negative (-ve) |
MR (Methyl Red) | Negative (-ve) |
Nitrate Reduction | Negative (-ve) |
Oxidase | Negative (-ve) |
Pigment | Rare; if present, yellow or orange to rust or brick red. |
Shape | long and slender, sometimes bent rods to short, often coryneform coccobacilli |
Spore | Negative (-ve) |
Urease | Negative (-ve) |
VP (Voges Proskauer) | Negative (-ve) |
Fermentation of (For L. acidophilus) | |
Amygdalin | Positive (+ve) |
Arabinose | Positive (+ve) |
Cellobiose | Positive (+ve) |
Fructose | Positive (+ve) |
Galactose | Positive (+ve) |
Glucose | Positive (+ve) |
Lactose | Positive (+ve) |
Maltose | Positive (+ve) |
Mannitol | Negative (-ve) |
Mannose | Positive (+ve) |
Melibiose | Variable |
Raffinose | Variable |
Rhamnose | Positive (+ve) |
Ribose | Negative (-ve) |
Salicin | Positive (+ve) |
Starch | Positive (+ve) |
Sucrose | Positive (+ve) |
Trehalose | Variable |
Xylose | Variable |
Enzymatic Reactions | |
Casein Hydrolysis | Negative (-ve) |
Esculin Hydrolysis | Positive (+ve) |
References
- Bergey, D. H., Whitman, W. B., De, V. P., Garrity, G. M., & Jones, D. (2009). Bergey’s manual of systematic bacteriology: Vol. 3. New York: Springer.
- https://scialert.net/fulltextmobile/?doi=ajbs.2016.1.9
- https://www.ijcmas.com/5-4-2016/P.%20Kavitha,%20et%20al.pdf
- http://www.bioline.org.br/request?cc05006
- Kavitha, P., D. Sindhuja and Banumathi, M. 2016. Isolation and Biochemical Characterization of Lactobacillus species Isolated from Dahi. Int.J.Curr.Microbiol.App.Sci. 5(4): 1042-1049. doi: http://dx.doi.org/10.20546/ijcmas.2016.504.119
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC84537/
- https://www.sciencedirect.com/science/article/pii/0740002085900206
- https://www.jstage.jst.go.jp/article/fstr/11/3/11_3_328/_pdf
How does it grow in Triple sugar iron agar?
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