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尖孢镰刀菌亚麻专化型中糖转运系统的调控

Regulation of Sugar Transport Systems in Fusarium oxysporum var. lini.

作者信息

Brandão Rogélio L, Loureiro-Dias Maria C

机构信息

Laboratory of Microbiology, Gulbenkian Institute of Science, 2781 Oeiras Codex, Portugal.

出版信息

Appl Environ Microbiol. 1990 Aug;56(8):2417-2420. doi: 10.1128/aem.56.8.2417-2420.1990.

Abstract

Fusarium oxysporum var. lini (ATCC 10960) formed a facilitated diffusion system for glucose (K(s), about 10 mM) when grown under repressed conditions. Under conditions of derepression, the same system was present together with a high-affinity (K(s), about 40 muM) active system. The maximum velocity of the latter was about 5% of that of the facilitated diffusion system. The high-affinity system was under the control of glucose repression and glucose inactivation. When lactose was the only carbon source in the medium, a facilitated diffusion system for lactose was found (K(s), about 30 mM).

摘要

尖孢镰刀菌亚麻变种(ATCC 10960)在受抑制条件下生长时形成了一个葡萄糖易化扩散系统(K(s),约10 mM)。在去阻遏条件下,该系统与一个高亲和力(K(s),约40 μM)的活性系统同时存在。后者的最大速度约为易化扩散系统的5%。高亲和力系统受葡萄糖阻遏和葡萄糖失活的调控。当乳糖是培养基中唯一的碳源时,发现了一个乳糖易化扩散系统(K(s),约30 mM)。

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本文引用的文献

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THE NUTRITIVE VALUE OF FUSARIA.真菌的营养价值。
Science. 1945 Apr 13;101(2624):388-9. doi: 10.1126/science.101.2624.388.
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Properties of the hexose transport systems of Aspergillus nidulans.构巢曲霉己糖转运系统的特性
Biochim Biophys Acta. 1971 Oct 12;249(1):216-26. doi: 10.1016/0005-2736(71)90098-8.

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