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. 2021 Oct 13;12:748718. doi: 10.3389/fmicb.2021.748718

Figure 4.

Figure 4

Impact of endolysins on the normal bacterial flora. (A) In vitro activity of LysAm24, LysECD7, LysAp22, and LysSi3 against Bifidobacterium spp. and Lactobacillus spp. strains. Activity spectra were assessed at 100-μg/ml endolysin concentration after 30-min incubation with bacterial suspension in a liquid medium. (B) Intestine microflora changes in mice under endolysin administration compared to control buffer (Tris–HCl) injections on the seventh day of experiment. Blue and red taxa indicate Gram-positive and Gram-negative bacteria correspondingly.