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  • 标题:Pyrazines from bacteria and ants: convergent chemistry within an ecological niche
  • 本地全文:下载
  • 作者:Eduardo A. Silva-Junior ; Antonio C. Ruzzini ; Camila R. Paludo
  • 期刊名称:Scientific Reports
  • 电子版ISSN:2045-2322
  • 出版年度:2018
  • 卷号:8
  • 期号:1
  • 页码:2595
  • DOI:10.1038/s41598-018-20953-6
  • 语种:English
  • 出版社:Springer Nature
  • 摘要:Ants use pheromones to coordinate their communal activity. Volatile pyrazines, for instance, mediate food resource gathering and alarm behaviors in different ant species. Here we report that leaf-cutter ant-associated bacteria produce a family of pyrazines that includes members previously identified as ant trail and alarm pheromones. We found that L-threonine induces the bacterial production of the trail pheromone pyrazines, which are common for the host leaf-cutter ants. Isotope feeding experiments revealed that L-threonine along with sodium acetate were the biosynthetic precursors of these natural products and a biosynthetic pathway was proposed.
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