Equatorial ring-like channels in the Cryptococcus neoformans polysaccharide capsule |
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Authors: | Zaragoza Oscar McClelland Erin E Telzak Andrew Casadevall Arturo |
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Affiliation: | Department of Microbiology and Immunology, Albert Einstein College of Medicine, Bronx, NY, USA and;Department of Medicine, Albert Einstein College of Medicine, Bronx, NY, USA |
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Abstract: | Under certain conditions, India ink particles can penetrate the capsule of the opportunistic pathogen Cryptococcus neoformans. India ink penetration gave two distinct patterns, one as a ring in the middle of the capsule, and another as a double spot located at opposite poles of the cells. These spots were perpendicularly orientated to the bud. This pattern suggests the existence of a localized structure deep in the capsule that can accumulate large insoluble particles. Although the mechanisms responsible for the assemblage and maintenance of ring-like channels are not understood, their existence deep within the capsule implies a new level of complexity for this enigmatic structure. |
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Keywords: | capsule ring Cryptococcus neoformans India Ink channel |
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