Negative stain

... far: Colony morphology: Yellow, round, slightly concave, smooth. Gram stain: Gram positive, appears to be cocci, but not perfectly round and tend ... mean that it ferments sucrose instead of lactose?) Nitrate Reduction: Negative (does not break down NO) Catalase: Positive Based on the first dichotomous ...

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You said you did an ACID FAST test to show you if it was GRAM NEGATIVE? Did you do a Gram stain at all? An acid-fast test doesn't tell you if it's Gram negative or Gram positive. Rather, ...

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... help identifying my unknown by Monday. Here are the results. 1. Gram Stain Positive (Clustered Bacilli) 2. Capsule Negative 3. Endospore Negative* 4. Phenol Red Broth Fermentation with Acid and Gas end products ...

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... Cell Shape: Bacilli Arrangement: Diplibacilli Size: 2mm X .5mm Gram Stain: Negative Motility: Yes Glucose Fermanation: yes acid/gas Lactose " ": yes acid/gas ...

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How does the single peak relate to your negative control? Do all your cells have full or lowered CFSE intensity? Does the ... divisions -> one peak. You could try to control this by comparing your unstained cells, fresh CFSE stain and one sample from, say, day 4 or 5. If the day ...

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