Neuraminidase expressed by Streptococcus pneumoniae desialylates the lipopolysaccharide of Neisseria meningitidis and Haemophilus influenzae:: a paradigm for interbacterial competition among pathogens of the human respiratory tract
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作者:
Shakhnovich, EA
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Univ Penn, Dept Microbiol, Sch Med, Philadelphia, PA 19104 USAUniv Penn, Dept Microbiol, Sch Med, Philadelphia, PA 19104 USA
Shakhnovich, EA
[1
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King, SJ
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Univ Penn, Dept Microbiol, Sch Med, Philadelphia, PA 19104 USAUniv Penn, Dept Microbiol, Sch Med, Philadelphia, PA 19104 USA
King, SJ
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Weiser, JN
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Univ Penn, Dept Microbiol, Sch Med, Philadelphia, PA 19104 USAUniv Penn, Dept Microbiol, Sch Med, Philadelphia, PA 19104 USA
Weiser, JN
[1
]
机构:
[1] Univ Penn, Dept Microbiol, Sch Med, Philadelphia, PA 19104 USA
Both Neisseria meningitidis and Haemophilus influenzae are capable of mimicking host structures by decorating their lipopolysaccharides with sialic acid. We show that a neuraminidase expressed by Streptococcus pneumoniae (NanA) is able to desialylate the cell surfaces of both these species, which reside in and possibly compete for the same host niche.