An indole-containing dauer pheromone component with unusual dauer inhibitory activity at higher concentrations.
An indole-containing dauer pheromone component with unusual dauer inhibitory activity at higher concentrations.
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DOI:
10.1021/ol901011c
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发表时间:
2009-07-16
期刊:
影响因子:
5.2
通讯作者:
Clardy J
中科院分区:
文献类型:
--
作者:
Butcher RA;Ragains JR;Clardy J
In Caenorhabditis elegans, the dauer pheromone, which consists of a number of derivatives of the 3,6-dideoxysugar ascarylose, is the primary cue for entry into the stress-resistant, ‘non-aging’ dauer larval stage. Here, using activity-guided fractionation and NMR-based structure elucidation, a structurally novel, indole-3-carboxyl-modified ascaroside is identified that promotes dauer formation at low nanomolar concentrations, but inhibits dauer formation at higher concentrations.
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