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. 2005 Dec;71(12):8811–8817. doi: 10.1128/AEM.71.12.8811-8817.2005

TABLE 2.

Abundance of an endosymbiotic bacterial population of P. grassii measured by different methods

Quantitative method % of endosymbiont (mean ± SD)a
rRNA cleavage 81.9 ± 9.0
FISH counting 71.3 ± 6.0
Estimated numberb 66
a

The percentages of the endosymbiont population are the percentages of the total eubacteria in the gut for the rRNA cleavage and FISH counting methods and the percentage of the total DAPI-stained prokaryotic cells for the estimated number method. See text for details.

b

The number of endosymbiont bacteria was estimated from the number of endosymbiont cells per protist, the reported number of protist cells per gut (36), and the total number of prokaryote cells per gut.