Biology and function of exo-polysaccharides from human fungal pathogens.
Biology and function of exo-polysaccharides from human fungal pathogens.
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DOI:
10.1007/s40588-020-00137-5
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发表时间:
2020-03
影响因子:
5.2
通讯作者:
Brown JCS
中科院分区:
文献类型:
--
作者:
Chung KY;Brown JCS
Environmental fungi such as Cryptococcus neoformans and Aspergillus fumigatus must survive many different and changing environments as they transition from their environmental niches to human lungs and other organs. Fungi alter their cell surfaces and secreted macromolecules to respond to and manipulate their surroundings. This review focuses on exo-polysaccharides, chains of sugars that transported out of the cell and spread to the local environment. Major exo-polysaccharides for C. neoformans and A. fumigatus are glucuronylxylomannan (GXM) and galactosaminogalactan (GAG), respectively, which accumulate at high concentrations in growth medium and infected patients Here we discuss GXM and GAG synthesis and export, their immunomodulatory properties, and their roles in biofilm formation. We also propose areas of future research to address outstanding questions in the field that could facilitate development of new disease treatments.
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