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. 2019 Aug 27;10:1868. doi: 10.3389/fmicb.2019.01868

TABLE 3.

Values of the parameters obtained from the HPLC-analyzed peptidoglycans purified from the collections studied in this work.

Collection Relative abundance (mol%) of muropeptidea Cross-linkb (%) Peptidoglycan lengthc

Mono Di Tri D-D Lpp Anh Penta
PAO1 65.46 32.51 2.04 1.55 4.86 4.25 2.83 36.58 23.54
PA14 66.08 32.37 1.56 1.73 3.75 4.25 1.50 35.48 24.11
Bacteremia 66.1 ± 2.6 (65.7)d 31.9 ± 2.2 (32.1) 2.0 ± 0.61 (2.2) 1.0 ± 0.86 (1.0) 5.6 ± 3.2 (5.1) 5.3 ± 1.1 (4.9) 1.8 ± 2.1 (0.9) 35.9 ± 3.1 (36.5) 20.3 ± 4.6 (20.9)
Early CF 63.7 ± 4.1 (64.2) 33.6 ± 3.0 (33.5) 2.7 ± 1.3 (2.3) 0.95 ± 1.3 (0.5) 4.9 ± 1.4 (4.8) 6.0 ± 1.6 (6.3) 2.3 ± 1.7 (1.9) 39.0 ± 5.3 (38.0) 19.6 ± 6.5 (16.9)
Late CF 64.9 ± 3.5 (65.8) 32.8 ± 3.0 (31.9) 2.2 ± 0.82 (2.0) 1.0 ± 0.83 (0.8) 5.0 ± 1.34 (4.4) 5.6 ± 1.6 (5.5) 3.0 ± 1.7 (2.4) 37.2 ± 4.0 (36.2) 19.8 ± 5.6 (18.3)
Collections’ mean ± SD 64.9 ± 1.2 32.7 ± 0.85 2.3 ± 0.36 0.99 ± 0.02 5.1 ± 0.37 5.6 ± 0.35 2.3 ± 0.60 37.3 ± 1.55 19.9 ± 0.36

aMol%, molar fraction; Mono, monomers; Di, dimers; Tri, trimers; D-D, muropeptides having mDAP–mDAP crosslinking; Lpp, muropeptides bound to C-terminal Arg-Lys dipeptide of OprI lipoprotein; Anh, muropeptides having anhydro-1,6-anhydromuramic acid; Penta, muropeptides having a pentapeptide stem. bCross-link, degree of peptidoglycan cross-linking (percentage). cAverage number of disaccharide (N-acetylglucosamine and N-acetylmuramic acid) units in the sacculus sugar chains of each strain. dThe values in the table are the means ± SDs obtained from each parameter and collection, whereas the numbers within parenthesis correspond to the medians. The last row correspond to the mean values ± SDs calculated from all the parameters and collections.