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| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Tao, Jiemeng Chen, Shanyi Jiang, Zhenkun Wang, Chen Zhang, Enren Liang, Hui Xu, Yalong Cao, Peijian Ding, Ning Zhang, Mingqian He, Wei Chen, Qiansi |
| Abstract | Background The changes of microbial community on tobacco leaves are affected by several factors during fermentation. However, the relative contribution of different factors in determining microbial community is not clear. This study investigated the effects of fermentation time (fermentation for 0, 3, 6, 9 and 12 months), leaf position (middle and top tobacco leaves) and fermentation site (Longyan and Xiamen warehouses) on bacterial community of tobacco leaves using 16 S rDNA sequencing. Results The results demonstrated that fermentation time had a much stronger impact on bacterial diversity, composition, co-occurrence network and functional profiles than leaf position and fermentation site. With the fermentation progressed, the difference of bacterial community between middle and top tobacco leaves was gradually reduced or even disappeared. The bacterial community diversity and network complexity at three, six and nine months of fermentation were significantly lower than those at fermentation initiation. Specific bacterial genera with desired functions were recruited at different fermentation stages, such as Terribacillus, Pantoea and Franconibacter at three or six months of fermentation and Pseudomonas at nine months of fermentation. The recruited microorganisms would form biofilms on tobacco leaves and compete for polysaccharide or protein substances to accelerate the degradation of tobacco macromolecular substances. Conclusions In conclusion, fermentation time was an important factor in determining the composition and function of microbial community on tobacco leaves during the fermentation process. |
| Related Links | https://bmcmicrobiol.biomedcentral.com/counter/pdf/10.1186/s12866-024-03702-w.pdf |
| Ending Page | 12 |
| Page Count | 12 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| ISSN | 14712180 |
| DOI | 10.1186/s12866-024-03702-w |
| Journal | BMC Microbiology |
| Issue Number | 1 |
| Volume Number | 24 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2024-12-23 |
| Access Restriction | Open |
| Subject Keyword | Microbiology Biological Microscopy Mycology Parasitology Virology Life Sciences Plant fermentation Tobacco leaves Microbial community Co-occurrence network Functional profiles |
| Content Type | Text |
| Resource Type | Article |
| Subject | Microbiology Microbiology (medical) |
| Journal Impact Factor | 4/2023 |
| 5-Year Journal Impact Factor | 4.6/2023 |
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