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Principal component analysis (PCA) plot for Aitchison distance based on non-parabaslid microbial abundances amongst macaque fecal samples. Points are shaded according to the centred log ratio normalized abundance values for all Parabasalia, Trichomitus, Pentatrichomonas and Tetratrichomonas, with darker shades indicating greater abundance. Triangle and circular points indicate healthy and diseased animals, respectively.
