米曲霉
固态发酵
微生物种群生物学
发酵
细菌
生物
食品科学
微生物学
遗传学
作者
Jiawei Zhou,Jiayan Wang,Yuanlu Zhou,Kaiqiang Liu,Yuele Lu,Linjiang Zhu,Xiaolong Chen
标识
DOI:10.1016/j.fm.2023.104346
摘要
Microbial interactions play an important role in the formation, stabilization and functional performance of natural microbial communities. However, little is known about how the microbes present interactions to build a stable natural microbial community. Here, we developed Jiangqu, the solid-state fermented starters of thick broad-bean sauce formed naturally in factory, as model microbial communities by characterizing its diversity of microbial communities and batch stability. The dominant microbial strains and their fungi-bacteria interactions during solid-state fermentation of Jiangqu were characterized. In all batches of Jiangqu, Aspergillus oryzae, Bacillus, Staphylococcus and Weissella dominated in the communities and such a community structure could almost reduplicate between batches. Direct adsorption and competition were identified as the main interactions between A. oryzae and dominant bacteria during solid-state fermentation, which were quite different from liquid co-cultivation of A. oryzae and dominant bacteria. These results will help us better understand the intrinsic mechanism in the formation and stabilization of microbial communities from traditional solid-state qu-making and fermentation.
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