Biochemical Test of Escherichia coli (E. coli)
| Basic Characteristics | Properties (E. coli) |
| Capsule | Capsulated |
| Catalase | Positive (+ve) |
| Citrate | Negative (-ve) |
| Coagulase | Negative (-ve) |
| Flagella | Flagellated |
| Gas | Positive (+ve) |
| Gelatin Hydrolysis | Negative (-ve) |
| Gram Staining | Negative (-ve) |
| Growth in KCN | Negative (-ve) |
| H2S | Negative (-ve) |
| Hemolysis | Negative (-ve) |
| Indole | Positive (+ve) |
| Motility | Motile |
| MR (Methyl Red) | Positive (+ve) |
| Nitrate Reduction | Positive (+ve) |
| OF (Oxidative-Fermentative) | Fermentative |
| Oxidase | Negative (-ve) |
| Pigment | Negative (-ve) |
| PYR | Negative (-ve) |
| Shape | Rod |
| Spore | Non-Sporing |
| TSIA (Triple Sugar Iron Agar) | Acid/Acid, Gas +ve |
| Urease | Negative (-ve) |
| VP (Voges Proskauer) | Negative (-ve) |
Fermentation of |
|
| Adonitol | Negative (-ve) |
| Arabinose | Positive (+ve) |
| Arabitol | Negative (-ve) |
| Cellobiose | Negative (-ve) |
| DNase | Negative (-ve) |
| Dulcitol | Variable |
| Erythritol | Negative (-ve) |
| Glucose | Positive (+ve) |
| Glycerol | Variable |
| Lactose | Positive (+ve) |
| Malonate | Negative (-ve) |
| Maltose | Positive (+ve) |
| Mannitol | Positive (+ve) |
| Mannose | Positive (+ve) |
| Melibiose | Positive (+ve) |
| Mucate | Positive (+ve) |
| Myo-Inositol | Negative (-ve) |
| Raffinose | Variable |
| Rhamnose | Positive (+ve) |
| Salicin | Variable |
| Sorbitol | Positive (+ve) |
| Sucrose | Variable |
| Tartrate | Positive (+ve) |
| Trehalose | Positive (+ve) |
| Xylose | Positive (+ve) |
Enzymatic Reactions |
|
| Acetate Utilization | Positive (+ve) |
| Aesculine Hydrolysis | Variable |
| Arginine Dihydrolase | Negative (-ve) |
| Beta Lactamase | Positive (+ve) |
| Esculin Hydrolysis | Variable |
| Lipase | Negative (-ve) |
| Lysine Decarboxylase | Positive (+ve) |
| ONPG (ฮฒ-galactosidase) | Positive (+ve) |
| Ornithine Decarboxylase | Variable |
| Phenylalanine Deaminase | Negative (-ve) |
Figure: Gram Stain of E. coli. Source: Art.com
That was very useful for me . thanks a lot!
Hi
Hope you are doing well if u have pdf of complete biochemical test of e.coli plz share with me on my gmail
Wow, that’s great Daii.Can you share more of it please.
Plz share all these with me ..
Thanks, but may I get a package information for staphylococcus ssp? Mostly s.aureus
Here it is – https://microbenotes.com/staphylococcus-aureus/
if u have pdf of complete biochemical test of e.coli plz share with me on my gmail
saimanicevu@gmail.com
Thanks for these vital information but I would like to hv the complete PDF through my email please.
Sorry, we don’t have PDF. But we will try to make PDF soon.
can u share file of biochemical test for e.coli plz
i need it urgent
Great
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listen plz
if u have pdf of complete biochemical test of e.coli plz share with me on my gmail
mrachaudhary6@gmail.com
Thanke you so mutsh