Gelatin

Hello Stephanie, M. Luteus does not always give a positive for Gelatin hydrolysis and to make matters worse it can return both results for casein hydrolysis as well. As far as direction to point you in, A litmus milk test would really be the ideal way to ...

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... Aureus, but my oxidase test read positive. My results were: 1. Gram- + 2. Morph- Coccus, cluster 3. Lactose fermentation- acid, yellow + 4. Gelatin hydrolysis- - 5. Starch Hydrolysis- - 6. Catalase- + 7. Oxidase- + 8. MR/VP- MR + VP - 9. SIM- -, There may be motility I did not account for, ...

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... I've done are coming back negative with two being somewhat quesitonable. Lactose +/+ Glucose +/+ sucrose +/+ Citrate - green - (so this is -) Gelatin showed no liquifaction, so this is - EMB agar - no reaction, so - Catalase - ( no bubbles) PAD Agar - not black, so - Vp - MR was orange...not ...

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... help. Here are my overall test results. I know that it is streptococcus or enterococcus. Test Results Starch Plate - Citrate Plate - Phenol Red + Gelatin Hydrolysis - SIM Medium - Oxidation-Fermentation + MR/VP +/ - Oxidase - Catalase - EMB inconclusive Phenylalanine Deaminase - MIO - Bile Esculin ...

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... stain, some may be pink because it was dying?) Here are the test that i performed and their results. Starch Plate - Citrate Plate - Phenol Red + Gelatin Hydrolysis test not complete SIM Medium - Oxidation-Fermentation + MR/VP +/ - Oxidase + Catalase + EMB grew but my microbe is gram positive ...

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