期刊
JOURNAL OF APPLIED MICROBIOLOGY
卷 132, 期 2, 页码 1227-1238出版社
OXFORD UNIV PRESS
DOI: 10.1111/jam.15255
关键词
connectors; correlation; function modules; metabolites; microbial diversity; trophic interaction
资金
- Ministry of Science and Technology of the People's Republic of China [2018YFC1604100]
This study explores the importance of species specificity and strains in the initial phase of microbial communities, showing how key microbial strains can be altered to affect the evolution of coexistence and functional realization of the community.
Aim Microbial communities exhibit different diversity and fluctuations in the ecological functions due to time and environmental migration. Despite a long history of research and a plethora of data, the factors determining the biodiversity and stability of ecosystems is still elusive. Methods and Results Here, the Chinese Xiaoqu fermentation system was used as a template to explore the mechanism in which the species specificity and strain in the initial phase affect the community structure and metabolites in the subsequent micro-ecosystem. The micro-ecosystem has been applied for hundreds of years, and the main metabolic function can be reproduced and traced. Conclusions The result proved that Rhizopus spp. is a keystone microbe with a species/strain specificity affecting the trophic interaction niche and function of modules in the complex community through glucose. The fungal community was demonstrated to have a high sealing and stability, while the bacterial community was generally found to change the community structure, physiological function, and interaction relationship, producing strains with connector functions to adapt to fluctuations. Significance and Impact of the Study This study shows that the taxonomic level of key microbial strains can be changed to affect the evolution of coexistence and functional realisation of the community.
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