Within the same image, what does the fluorescent green color represent?

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Study for the ACVIM Small Animal Internal Medicine Exam to enhance your veterinary knowledge. Prepare with flashcards and multiple-choice questions, featuring hints and explanations. Ensure success in your exam journey!

Multiple Choice

Within the same image, what does the fluorescent green color represent?

Explanation:
The green fluorescence comes from a universal bacterial probe that binds to conserved regions of bacterial rRNA. With FITC-labeled Eub (EUB338), this probe lights up essentially all bacteria, so the green signal marks total bacteria adhered to the mucosal surface. Epithelial nuclei are stained separately with a different dye and would appear as a different color, not green. Fusobacterium and Bacteroides are specific taxa; they would contribute to the green signal only as part of the overall bacterial presence detected by this universal probe, rather than being distinguished on their own.

The green fluorescence comes from a universal bacterial probe that binds to conserved regions of bacterial rRNA. With FITC-labeled Eub (EUB338), this probe lights up essentially all bacteria, so the green signal marks total bacteria adhered to the mucosal surface. Epithelial nuclei are stained separately with a different dye and would appear as a different color, not green. Fusobacterium and Bacteroides are specific taxa; they would contribute to the green signal only as part of the overall bacterial presence detected by this universal probe, rather than being distinguished on their own.

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