NDLI: Siderophore production by actinomycetes isolates from two soil sites in Western Australia

Content Provider	Springer Nature Link
Author	Lee, Joanna Postmaster, Armin Soon, Hooi Peng Keast, David Carson, Kerry C.
Copyright Year	2011
Abstract	The actinomycetes are metabolically flexible soil micro-organisms capable of producing a range of compounds of interest, including siderophores. Siderophore production by actinomycetes sampled from two distinct and separate geographical sites in Western Australia were investigated and found to be generally similar in the total percentage of siderophore producers found. The only notable difference was the proportion of isolates producing catechol siderophores with only 3% found in site 1 (from the north-west of Western Australia and reportedly containing 40% magnetite) and 17% in site 2 (a commercial stone fruit orchard in the hills east of Perth with a soil base ranging from sandy loam to laterite). Further detailed characterization of isolates of interest identified a Streptomyces that produced extracellularly excreted enterobactin, the characteristic Enterobacteriaceae siderophore, and also revealed some of the conditions required for enterobactin production. Carriage of the entF gene, which codes for the synthetase responsible for the final assembly of the tri-cyclic structure of enterobactin, was confirmed by PCR in this isolate. Another separate Streptomyces produced a compound that matched the UV/VIS spectra of heterobactin, a siderophore previously only described in Rhodococcus and Nocardia.
Starting Page	285
Ending Page	296
Page Count	12
File Format	PDF
ISSN	09660844
Journal	BioMetals
Volume Number	25
Issue Number	2
e-ISSN	15728773
Language	English
Publisher	Springer Netherlands
Publisher Date	2011-10-29
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Siderophores Actinomycetes Streptomyces Enterobactin Heterobactin Plant Physiology Microbiology Biochemistry Medicine/Public Health Cell Biology Pharmacology/Toxicology
Content Type	Text
Resource Type	Article
Subject	Metals and Alloys Biochemistry, Genetics and Molecular Biology Biomaterials Agricultural and Biological Sciences

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