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Structure of a sulfated xylogalactan from the calcareous red alga Corallina pilulifera P. et R. (Rhodophyta, Corallinaceae).
Carbohydr Res. 1997 Aug 25; 303(1):93-102.CR

Abstract

The structure of a sulfated polysaccharide isolated from the calcareous red alga Corallina pilulifera was studied by methylation analysis before and after desulfation or Smith degradation, as well as by 1D and 2D 1H and 13C NMR spectroscopy. The polysaccharide was shown to consist of D-galactose, L-galactose, 2-O-methyl-L-galactose, 3-O-methyl-L-galactose, 6-O-methyl-D-galactose, D-xylose, and sulfate in a molar ratio of 29:20:5:2:1:20:23. Its agaran-like backbone built up of alternating 3-linked beta-D-galactopyranose and 4-linked alpha-L-galactopyranose residues bears single beta-D-xylopyranosyl substituents at position 6 of beta-D-galactose residues, whereas sulfate and O-methyl groups occupy positions 2 and 3 of alpha-L-galactose and position 6 of beta-D-galactose residues.

Authors+Show Affiliations

N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Moscow, Russia. usov@ioc.ac.ruNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

9345756

Citation

Usov, A I., et al. "Structure of a Sulfated Xylogalactan From the Calcareous Red Alga Corallina Pilulifera P. Et R. (Rhodophyta, Corallinaceae)." Carbohydrate Research, vol. 303, no. 1, 1997, pp. 93-102.
Usov AI, Bilan MI, Shashkov AS. Structure of a sulfated xylogalactan from the calcareous red alga Corallina pilulifera P. et R. (Rhodophyta, Corallinaceae). Carbohydr Res. 1997;303(1):93-102.
Usov, A. I., Bilan, M. I., & Shashkov, A. S. (1997). Structure of a sulfated xylogalactan from the calcareous red alga Corallina pilulifera P. et R. (Rhodophyta, Corallinaceae). Carbohydrate Research, 303(1), 93-102.
Usov AI, Bilan MI, Shashkov AS. Structure of a Sulfated Xylogalactan From the Calcareous Red Alga Corallina Pilulifera P. Et R. (Rhodophyta, Corallinaceae). Carbohydr Res. 1997 Aug 25;303(1):93-102. PubMed PMID: 9345756.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Structure of a sulfated xylogalactan from the calcareous red alga Corallina pilulifera P. et R. (Rhodophyta, Corallinaceae). AU - Usov,A I, AU - Bilan,M I, AU - Shashkov,A S, PY - 1997/8/25/pubmed PY - 1997/11/5/medline PY - 1997/8/25/entrez SP - 93 EP - 102 JF - Carbohydrate research JO - Carbohydr Res VL - 303 IS - 1 N2 - The structure of a sulfated polysaccharide isolated from the calcareous red alga Corallina pilulifera was studied by methylation analysis before and after desulfation or Smith degradation, as well as by 1D and 2D 1H and 13C NMR spectroscopy. The polysaccharide was shown to consist of D-galactose, L-galactose, 2-O-methyl-L-galactose, 3-O-methyl-L-galactose, 6-O-methyl-D-galactose, D-xylose, and sulfate in a molar ratio of 29:20:5:2:1:20:23. Its agaran-like backbone built up of alternating 3-linked beta-D-galactopyranose and 4-linked alpha-L-galactopyranose residues bears single beta-D-xylopyranosyl substituents at position 6 of beta-D-galactose residues, whereas sulfate and O-methyl groups occupy positions 2 and 3 of alpha-L-galactose and position 6 of beta-D-galactose residues. SN - 0008-6215 UR - https://www.unboundmedicine.com/medline/citation/9345756/Structure_of_a_sulfated_xylogalactan_from_the_calcareous_red_alga_Corallina_pilulifera_P__et_R___Rhodophyta_Corallinaceae__ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0008621597001365 DB - PRIME DP - Unbound Medicine ER -