期刊
ISME JOURNAL
卷 15, 期 10, 页码 2817-2829出版社
SPRINGERNATURE
DOI: 10.1038/s41396-021-00969-z
关键词
-
资金
- Theme-based Research Scheme [T21-705/20-N]
Antibiotic-subsisting bacteria offer potential for detoxification and prevention of environmental resistance, but the lack of understanding in assembly mechanisms and predictability hinders their engineering development.
Antibiotic subsistence in bacteria represents an alternative resistance machinery, while paradoxically, it is also a cure for environmental resistance. Antibiotic-subsisting bacteria can detoxify antibiotic-polluted environments and prevent the development of antibiotic resistance in environments. However, progress toward efficient in situ engineering of antibiotic-subsisting bacteria is hindered by the lack of mechanistic and predictive understanding of the assembly of the functioning microbiome. By top-down manipulation of wastewater microbiomes using sulfadiazine as the single limiting source, we monitored the ecological selection process that forces the wastewater microbiome to perform efficient sulfadiazine subsistence. We found that the community-level assembly selects for the same three families rising to prominence across different initial pools of microbiomes. We further analyzed the assembly patterns using a linear model. Detailed inspections of the sulfonamide metabolic gene clusters in individual genomes of isolates and assembled metagenomes reveal limited transfer potential beyond the boundaries of the Micrococcaceae lineage. Our results open up new possibilities for engineering specialist bacteria for environmental applications.
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