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ACS Omega. 2018 Mar 31;3(3):2895-2901. doi: 10.1021/acsomega.7b02053. Epub 2018 Mar 09.

Structure and Function of Stony Coral Intraskeletal Polysaccharides.

ACS omega

Annamaria Naggi, Giangiacomo Torri, Marcello Iacomini, Gabriele Colombo Castelli, Michela Reggi, Simona Fermani, Zvy Dubinsky, Stefano Goffredo, Giuseppe Falini

Affiliations

  1. Istituto di Ricerche Chimiche e Biochimiche "G. Ronzoni" Milano, via Giuseppe Colombo 81, 20133 Milano, Italy.
  2. Departamento de Bioquímica e Biologia Molecular, Universidade Federal do Paraná, CP 19046, CEP 81531-980 Curitiba, Paraná, Brazil.
  3. Dipartimento di Chimica "Giacomo Ciamician", Alma Mater Studiorum-Università di Bologna, via Selmi 2, 40126 Bologna, Italy.
  4. The Mina & Everard Goodman Faculty of Life Sciences, Bar-Ilan University, Ramat-Gan 5290002, Israel.
  5. Marine Science Group, Department of Biological, Geological and Environmental Sciences, Alma Mater Studiorum-Università di Bologna, Via Selmi 3, 40126 Bologna, Italy.

PMID: 30221225 PMCID: PMC6130787 DOI: 10.1021/acsomega.7b02053

Abstract

Polysaccharides represent a main weight fraction of the intraskeletal organic matrix of corals, but their structure, as well as their function in the calcification process, has been poorly investigated. This communication shows by a combination of techniques (nuclear magnetic resonance, Fourier transform infrared, and monosaccharide composition) that their key component is a 1→3 β-d glucuronic acid polymer and evidences its influence in vitro in the calcification process.

Conflict of interest statement

The authors declare no competing financial interest.

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