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转录因子STE12影响了Trichoderma reesei中多个碳来源的生长和脱酸 (DHAA) 的产生
Miriam Schalamun1, Wolfgang Hinterdobler1,2, Johann Schinnerl3
1AIT Austrian Institute of Technology GmbH, Center for Health and Bioresources, Konrad Lorenz Strasse 24, 3430, Tulln, Austria.
在Trichoderma reesei中的转录因子STE12调节细胞酶基因表达和二次代谢产物,包括三胺醇和脱酸 (DHAA). 它的功能依赖于光线,并影响铁的平衡.
科学领域:
- * 丝状真菌的分子生物学和生物化学.
- * 调节基因表达和代谢途径.
- * 工业生物技术和酶生产.
背景情况:
- *Trichoderma reesei是一种以细胞分解酶生产而闻名的细丝状真菌.
- * 碳源和光等环境因素对真菌代谢有很大的影响.
- *T. reesei中的二次代谢物合成正在引起研究兴趣.
研究的目的:
- * 研究转录因子STE12在T. reesei中的作用.
- * 了解STE12对基因表达,碳源利用和二次代谢物生物合成的调节.
- * 阐明STE12对细胞酶和抗菌化合物生产的影响.
主要方法:
- *在不同的环境条件下 (例如,光,碳源) 分析STE12对基因调节的分析.
- *细胞酶基因表达的量化.
- *对二次代谢物生物合成的评估,包括三胺醇和脱酸 (DHAA).
主要成果:
- *STE12调节细胞酶基因表达和生长的特定碳来源与铁平衡相关.
- * STE12介导的细胞质基因调节是依赖光的,影响CAZyme和二次代谢基因.
- *STE12可以选择性地控制三胺醇和脱酸 (DHAA) 生物合成,但不能控制比索比布丁化物.
结论:
- *STE12在T. reesei的代谢途径调节中发挥着至关重要的作用,超出其发育功能.
- *STE12有助于平衡基材消耗,再生和防御机制之间的能量分配.
- * STE12对光的依赖性活动突出了环境对真菌代谢调节的影响.
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