Reliable absolute quantification of microbiome based on triple spike-in bacteria.
Absolute quantification of total bacteria in cecum, distal colon, and proximal colon of mice.
Absolute quantification of bacteria in content and mucus layer in different part of the intestine.
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Flowchart for calculating bacterial abundance in different parts of mice intestinal tract (The figure was drawn using Medpeer)
Relative abundance of different genera in the samples
Verification of the spiked-in microbial cells added
Application prospects of absolute quantitative analysis in intestinal bacteria