A57Fe Mössbauer study of iron assimilation in N. crassa mediated by siderophores

B. F. Matzanke*, E. Bill, G. Winkelmann, A. X. Trautwein

*Corresponding author for this work
2 Citations (Scopus)

Abstract

The siderophore coprogen is tansported in N. crassa as an entity. Neither ligand exchange nor reduction is a rate limiting step for intracellular accumulation. Metabolized iron was found predominantly to exist as fast relaxing Fe(II) high-spin (σ=1.32 mm/s, ΔEQ=2.95 mm/s) and Fe(III) high-spin species (δ=0.35-0.42 mm/s ΔEQ=0.5-0.58 mm/s). Within 27 hours, no measurable amounts of iron are transferred to ferritin like storage forms. Rather, coprogen itself serves as an intermediate iron storage compound.

Original languageEnglish
JournalHyperfine Interactions
Volume29
Issue number1-4
Pages (from-to)1415-1418
Number of pages4
ISSN0304-3843
DOIs
Publication statusPublished - 01.02.1986

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