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铁载体在粗糙脉孢菌和赭曲霉孢子中铁储存中的作用。

Role of siderophores in iron storage in spores of Neurospora crassa and Aspergillus ochraceus.

作者信息

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

机构信息

Institut für Biologie I, Mikrobiologie I, Universität Tübingen, Federal Republic of Germany.

出版信息

J Bacteriol. 1987 Dec;169(12):5873-6. doi: 10.1128/jb.169.12.5873-5876.1987.

DOI:10.1128/jb.169.12.5873-5876.1987
PMID:2960664
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC214192/
Abstract

Spores of Neurospora crassa 74A are lacking in ferritinlike iron pools, as demonstrated by Mössbauer spectroscopic analysis. The cyclic hexapeptide siderophore ferricrocin constituted 47% of the total iron content in spores. After germination and growth, the ferricrocin iron pool disappeared, indicating that the metal was utilized. In spores of Aspergillus ochraceus, 74% of the total iron content was bound by ferrichrome-type siderophores. Siderophores may function as iron storage forms in fungal systems.

摘要

正如穆斯堡尔光谱分析所表明的，粗糙脉孢菌74A的孢子缺乏类铁蛋白铁池。环状六肽铁载体铁载体素占孢子中铁总含量的47%。萌发和生长后，铁载体素铁池消失，表明该金属已被利用。在赭曲霉的孢子中，铁总含量的74%与铁铬素型铁载体结合。铁载体可能在真菌系统中作为铁的储存形式发挥作用。

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Metabolic utilization of 57Fe-labeled coprogen in Neurospora crassa. An in vivo Mössbauer study.粗糙脉孢菌中57Fe标记粪卟啉原的代谢利用。一项体内穆斯堡尔研究。
Eur J Biochem. 1987 Feb 2;162(3):643-50. doi: 10.1111/j.1432-1033.1987.tb10686.x.