期刊
JOURNAL OF APPLIED MICROBIOLOGY
卷 129, 期 1, 页码 104-115出版社
OXFORD UNIV PRESS
DOI: 10.1111/jam.14595
关键词
fish pathogens virulence; heme uptake; iron uptake; siderophores; virulence factors
资金
- State Agency for Research (AEI) of Spain [RTI2018-093634-B-C21]
- FEDER Programme from the European Union
- Xunta de Galicia (Spain) [GRC2018/018]
This review summarizes the current knowledge about iron uptake systems in bacterial fish pathogens and their involvement in the infective process. Like most animal pathogens, fish pathogens have evolved sophisticated iron uptake mechanisms some of which are key virulence factors for colonization of the host. Among these systems, siderophore production and heme uptake systems are the best studied in fish pathogenic bacteria. Siderophores like anguibactin or piscibactin, have been described in Vibrio and Photobacterium pathogens as key virulence factors to cause disease in fish. In many other bacterial fish pathogens production of siderophores was demonstrated but the compounds were not yet chemically characterized and their role in virulence was not determined. The role of heme uptake in virulence was not yet clearly elucidated in fish pathogens although there exist evidence that these systems are expressed in fish tissues during infection. The relationship of other systems, like Fe(II) transporters or the use of citrate as iron carrier, with virulence is also unclear. Future trends of research on all these iron uptake mechanisms in bacterial fish pathogens are also discussed.
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