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Taxonomic group: fungi / Ascomycota (Phylum: Ascomycota)
Associated disease: infection due to Aspergillus [ICD11: XN0WC

]

NCBI PubMed ID: 27987813
Publication DOI: 10.1016/j.carbpol.2016.10.084
Journal NLM ID: 8307156
Publisher: Elsevier
Correspondence: junliu

yzu.edu.cn
Institutions: College of Food Science and Engineering, Yangzhou University, Yangzhou, China

Endophytes are microorganisms that colonize living, internal tissues of plants without causing any immediate, overt negative effects. In recent years, both endophytic bacteria and fungi have been demonstrated to be excellent exopolysaccharides (EPS) producers. This review focuses on the recent advances in EPS produced by endophytes, including its production, isolation and purification, structural characterization, physiological role and biological activity. In general, EPS production is influenced by media components and cultivation conditions. The structures of purified EPS range from linear homopolysaccharides to highly branched heteropolysaccharides. These structurally novel EPS not only play important roles in plant-endophyte interactions; but also exhibit several biological functions, such as antioxidant, antitumor, anti-inflammatory, anti-allergic and prebiotic activities. In order to utilize endophytic EPS on an industrial scale, both yield and productivity enhancement strategies are required at several levels. Besides, the exact mechanisms on the physiological roles and biological functions of EPS should be elucidated in future.

exopolysaccharides, biological activity, Structural characterization, endophytes, physiological role

Structure type: structural motif or average structure ; n=7, 15000
Location inside paper: Table 3, As1-1
Compound class: EPS, galactomannan
Contained glycoepitopes: IEDB_130701,IEDB_136095,IEDB_136104,IEDB_137472,IEDB_137485,IEDB_140116,IEDB_141793,IEDB_141795,IEDB_141830,IEDB_141834,IEDB_143632,IEDB_144983,IEDB_152206,IEDB_153220,IEDB_164480,IEDB_190606,IEDB_76933,IEDB_983930,SB_136,SB_196,SB_198,SB_44,SB_67,SB_72

Biological activity: As1-1 scavenge DPPH and superoxide radicals and inhibits lipid peroxidation
Comments, role: complete structure was published in ref. [Chen et al., 2011]

Related record ID(s): 43158, 43161, 43162, 43163, 43164, 43359
NCBI Taxonomy refs (TaxIDs): 5052
Reference(s) to other database(s): GTC:G23072GV
Show glycosyltransferases

There is only one chemically distinct structure:

*O[C@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@@H]1O[C@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@@H]1O[C@H]1[C@@H](O)[C@H](O)[C@@H](CO[C@@H]2O[C@@H]([C@H](O)CO)[C@H](O)[C@H]2O)O[C@@H]1O[C@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@@H]1O[C@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@@H]1O[C@H]1[C@@H](O)[C@H](O)[C@@H](CO[C@H]2O[C@H](CO[C@@H]3O[C@H](CO)[C@@H](O)[C@H](O)[C@@H]3O)[C@@H](O)[C@H](O)[C@@H]2O)O[C@@H]1O[C@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@@H]1O[C@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@@H]1O[C@H]1[C@@H](O)[C@H](O)[C@@H](CO[C@@H]2O[C@H](CO)[C@@H](O)[C@H](O)[C@@H]2O)O[C@@H]1*

SVG MW SMILES 3D mol Ionize