Influenza A virus receptors in the respiratory and intestinal tracts of pigeons
文献类型: 外文期刊
第一作者: Liu, Yuehuan
作者: Liu, Yuehuan;Han, Chunhua;Lin, Jian;Ma, Ming;Zhou, Jiao;Pan, Jie;Wang, Xiuqing;Shu, Yuelong;Liang, Qian;Yang, Hanchun;Guo, Chaotan;Zhu, Junjie;Wei, Haitao;Zhao, Jingyi;Ma, Zhijun
作者机构:
关键词: Biochemistry and Molecular Biophysics;Infection;Digestive System: Ingestion and Assimilation;Respiratory System: Respiration;Veterinary Medicine: Medical Sciences
期刊名称:AVIAN PATHOLOGY ( 影响因子:3.378; 五年影响因子:3.237 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: To understand the basis of the resistance of pigeons to Asian lineage highly pathogenic avian influenza virus (HPAIV) subtype H5N1, we examined the presence of influenza virus receptors, sialic acids linked to galactose by an alpha-2,3 linkage (SA alpha 2,3Gal) or by an alpha-2,6 linkage (SA alpha 2,6Gal), in respiratory and intestinal tracts of pigeons and compared the distributions of N-acetylneuraminic and N-glycolylneuraminic acids in the trachea and intestines of pigeons and chickens. Results suggested that the epithelial surfaces of the larynx, trachea, bronchus, and bronchiole of pigeons contained abundant SA alpha 2,6Gal with little or no SA alpha 2,3Gal. In contrast, the epithelial surfaces of the pharynx, trachea, bronchus, and bronchiole of chickens contained mainly SA alpha 2,3Gal, a well-recognized receptor for avian influenza viruses including H5N1 HPAIV. A similar distribution pattern of N-acetylneuraminic and N-glycolylneuraminic acids in the trachea and intestines of pigeons and chickens was observed. Overall, the results suggest that SA alpha 2,6Gal is the major receptor in the pigeon airway, which may partly contribute to the resistance of pigeons to Asian lineage HPAIV subtype H5N1.
分类号: R36
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