ArticleJournal of fluorescence2015
An acridine orange spore germination fluorescence microscopy versus spectral paradox.
Article in Journal of fluorescence, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed, 5 citations in OpenAlex.
- Purification and Thioflavin T Staining of Bacillus spp. Endospores for Fluorescence-Based Assays.Current protocols · 2026Article
Corrections and comments
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Authors and funding
1 author at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The metachromatic fluorophore acridine orange (AO) has demonstrated green fluorescent staining of dormant Bacillus spores and orange to red staining of transcriptionally active vegetative cells when used in the mid-micoMolar range. Despite the microscopic observation of numerous bright orange to red fluorescent vegetative cells following germination induction, no clear spectral emission peaks > 590 nm have ever been reported for spectrofluorometric analysis involving AO in conjunction with spore germination. This microscopy versus spectrofluorometry paradox is documented in the present report and hypotheses are put forth to explain the very weak spectral changes in the red region which do not appear to correlate with the abundant orange-red fluorescence of nascent vegetative cells seen through the fluorescence microscope.
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Registered trials
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