在粗糙脉孢菌中 D-半乳糖利用的独特调控机制。
Unique regulatory mechanism for D-galactose utilization in Aspergillus nidulans.
机构信息
Danisco Innovation, Langebrogade 1, Copenhagen DK1001, Denmark.
出版信息
Appl Environ Microbiol. 2011 Oct;77(19):7084-7. doi: 10.1128/AEM.05290-11. Epub 2011 Aug 5.
Abstract
This study describes two novel regulators, GalX and GalR, that control d-galactose utilization in Aspergillus nidulans. This system is unique for A. nidulans since no GalR homologs were found in other ascomycetes. GalR shares significant sequence identity with the arabinanolytic and xylanolytic regulators AraR and XlnR, but GalX is more distantly related.
摘要
本研究描述了两种新型调控因子 GalX 和 GalR，它们控制 Aspergillus nidulans 中 D-半乳糖的利用。由于在其他子囊菌中未发现 GalR 同源物，因此该系统在 A. nidulans 中是独特的。GalR 与阿拉伯聚糖酶和木聚糖酶的调控因子 AraR 和 XlnR 具有显著的序列同一性，但 GalX 的亲缘关系更远。
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