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. 2020 Jan 10;10:2909. doi: 10.3389/fmicb.2019.02909

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Copyright © 2020 Campanero-Rhodes, Palma, Menéndez and Solís.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Selected examples of representative structures printed in bacterial carbohydrate microarrays. The repeating unit of Enterococcus faecalis LTA is shown as representative of a glycerol phosphate LTA backbone. Bacterial β(1-2)-linked cyclic glucans can occur in unsubstituted form or substituted at Glc C6 with anionic groups (e.g., succinyl in B. abortus). The structure shown for NTHi LOS corresponds to the major glycoform of strain 375. Because of space limitations, the structure of the O-chain of K. pneumoniae LPS is shown below the structure of the LPS core. Unless specifically indicated, sugar units are D-stereoisomers in pyranoside form. Sugars in furanoside form are labeled with the f suffix. GroA, glyceric acid; Gro, glycerol; GalA, galacturonic acid; P, phosphate; PEtN, phosphoethanolamine; OAc, O-acetyl; PCho, phosphorylcholine.