提高厨房废物由纤维化微生物进行堆肥:从定数感应和碳水化合物代谢功能的新见解
Haimin Li1,2, Changqing Liu3,2, Xingguang Luo4
1College of Environment and Resources, College of Carbon Neutral Modern Technology, Fujian Normal University; Pollution Control and Resource Recycling Laboratory of Fujian Province, Fuzhou 350007, China.
概括
这项研究揭示了棕色腐烂真菌 (BRF) 和纤维化固化细菌 (CNFB) 单独和联合如何影响微生物通信 (定数感应) 和堆肥过程中的糖分解. 复合微生物注射剂 (CMI) 具有协同效应,增强这些过程,以更好地利用废物.
科学领域:
- 微生物学 微生物学
- 生物化学 生物化学
- 环境科学 环境科学
背景情况:
- 微生物通信,即定数感应 (QS),对于协调微生物活动至关重要.
- 了解棕色腐烂真菌 (BRF) 和纤维化固化细菌 (CNFB) 等特定微生物群体如何影响质量和新陈代谢对于废物管理至关重要.
研究的目的:
- 研究BRF,CNFB及其复合微生物接种剂 (CMI) 对QS通路和碳水化合物代谢的调节作用.
- 阐明特定的QS信号分子 (例如,AHLs,AI-2) 和参与纤维素降解和化过程中的酶.
主要方法:
- 对QS信号分子和基因表达的分析.
- 测量纤维素降解酶活动.
- 分子反应网络分析以确定化前体.
- 碳水化合物活性酶 (CAZymes) 的量化.
主要成果:
- 细胞分解性微生物加速了林氏纤维素的降解,并增加了QS信号分子和基因.
- BRF主要使用AHLs进行QS,而CNFB使用AI-2;CMI协同增强了两者.
- 所有的注射剂都促进了胺和梅拉德反应,有助于化.
- CAZyme的丰富度增加,在堆肥过程中加速碳水化合物分解.
结论:
- BRF显著影响了QS和碳水化合物代谢,CNFB也发挥了作用.
- CMI表现出协同效应,增强QS和代谢过程.
- 这些发现提供了通过微生物干预优化有机固体废物利用的策略.
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