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Title: Respiratory protein-generated reactive oxygen species as an antimicrobial strategy
Authors: Jiang, N. 
Tan, N.S.
Ho, B.
Ding, J.L. 
Issue Date: Oct-2007
Citation: Jiang, N., Tan, N.S., Ho, B., Ding, J.L. (2007-10). Respiratory protein-generated reactive oxygen species as an antimicrobial strategy. Nature Immunology 8 (10) : 1114-1122. ScholarBank@NUS Repository.
Abstract: The evolution of the host-pathogen relationship comprises a series of invasive-defensive tactics elicited by both participants. The stereotype is that the antimicrobial immune response requires multistep processes. Little is known about the primordial immunosurveillance system, which probably has components that directly link sensors and effectors. Here we found that the respiratory proteins of both the horseshoe crab and human were directly activated by microbial proteases and were enhanced by pathogen-associated molecular patterns, resulting in the production of more reactive oxygen species. Hemolytic virulent pathogens, which produce proteases as invasive factors, are more susceptible to this killing mechanism. This 'shortcut' antimicrobial strategy represents a fundamental and universal mode of immunosurveillance, which has been in existence since before the split of protostomes and deuterostomes and still persists today.
Source Title: Nature Immunology
ISSN: 15292908
Appears in Collections:Staff Publications

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