Abstract:
:Author: Recently, increasing research in siderophores has been dedicated to their possible medical applications in diagnostics and therapeutics for human pathogenic infections. Fusarinine C (FsC) is a natural hydroxamate siderophore that harbors three amino groups, which allow the easy chemical modification of FsC for the design of novel multifunctional conjugates. However, low production of FsC has hampered its extensive exploitation.Herein, we rewired the FsC biosynthetic pathway in the Aureobasidium melanogenum HN6.2 strain to achieve a self-supplying l-ornithine with component-simplified and enhanced production of extracellular siderophores, for which the FsC accounted for 94%, its final titer being approximately 1.7 g L-1. The convenient acquisition of FsC effectuated our exploitation for its application. We employed in vitro and in vivo assays to show that FsC is an active targeting molecule that acts on the human pathogenic fungi Trichophyton rubrum and Candida albicans; this demonstrates the potential to use FsC for the development of novel antifungal targeting reagents in the future.
journal_name
ACS Synth Bioljournal_title
ACS synthetic biologyauthors
Lu Y,Wang H,Wang Z,Cong Y,Zhang P,Liu G,Liu C,Chi Z,Chi Zdoi
10.1021/acssynbio.9b00026subject
Has Abstractpub_date
2019-08-16 00:00:00pages
1755-1765issue
8issn
2161-5063journal_volume
8pub_type
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journal_title:ACS synthetic biology
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journal_title:ACS synthetic biology
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journal_title:ACS synthetic biology
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abstract::Biosensors regulated by specific substrates are needed to develop genetic tools to meet the needs of engineering microbial cell factories. Here, a xylose-inducible biosensor (xylbiosensor), comprising the Escherichia coli activation factor XylR, fusion activation domain (AD) VPRH, and a hybrid promoter with operator x...
journal_title:ACS synthetic biology
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journal_title:ACS synthetic biology
pub_type: 杂志文章
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journal_title:ACS synthetic biology
pub_type: 杂志文章
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journal_title:ACS synthetic biology
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abstract::Streptomycetes are Gram-positive mycelial bacteria, which synthesize a wide range of natural products including over two-thirds of the currently available antibiotics. However, metabolic engineering in Streptomyces species to overproduce a vast of natural products are hampered by a limited number of genetic tools. Her...
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journal_title:ACS synthetic biology
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