Chemical structure and biological activity of the Caenorhabditis elegans dauer-inducing pheromone

Pan Young Jeong, Mankil Jung, Yong Hyeon Yim, Heekyeong Kim, Moonsoo Park, Eunmi Hong, Weontae Lee, Young Hwan Kim, Kun Kim, Young Ki Paik

Research output: Contribution to journalArticle

221 Citations (Scopus)

Abstract

Pheromones are cell type-specific signals used for communication between individuals of the same species. When faced with overcrowding or starvation, Caenorhabditis elegans secrete the pheromone daumone, which facilitates communication between individuals for adaptation to adverse environmental stimuli. Daumone signals C. elegans to enter the dauer stage, an enduring and non-ageing stage of the nematode life cycle with distinctive adaptive features and extended life. Because daumone is a key regulator of chemosensory processes in development and ageing, the chemical identification of daumone is important for elucidating features of the daumone-mediated signalling pathway. Here we report the isolation of natural daumone from C. elegans by large-scale purification, as well as the total chemical synthesis of daumone. We present the stereospecific chemical structure of purified daumone, a fatty acid derivative. We demonstrate that both natural and chemically synthesized daumones equally induce dauer larva formation in C. elegans (N2 strain) and certain dauer mutants, and also result in competition between food and daumone. These results should help to elucidate the daumone-mediated signalling pathway, which might in turn influence ageing and obesity research and the development of antinematodal drugs.

Original languageEnglish
Pages (from-to)541-545
Number of pages5
JournalNature
Volume433
Issue number7025
DOIs
Publication statusPublished - 2005 Feb 3

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Pheromones
Caenorhabditis elegans
Antinematodal Agents
Communication
Starvation
Life Cycle Stages
Larva
Fatty Acids
Obesity
Food
Research
C elegans daumone

All Science Journal Classification (ASJC) codes

  • General

Cite this

Jeong, Pan Young ; Jung, Mankil ; Yim, Yong Hyeon ; Kim, Heekyeong ; Park, Moonsoo ; Hong, Eunmi ; Lee, Weontae ; Kim, Young Hwan ; Kim, Kun ; Paik, Young Ki. / Chemical structure and biological activity of the Caenorhabditis elegans dauer-inducing pheromone. In: Nature. 2005 ; Vol. 433, No. 7025. pp. 541-545.
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Jeong, PY, Jung, M, Yim, YH, Kim, H, Park, M, Hong, E, Lee, W, Kim, YH, Kim, K & Paik, YK 2005, 'Chemical structure and biological activity of the Caenorhabditis elegans dauer-inducing pheromone', Nature, vol. 433, no. 7025, pp. 541-545. https://doi.org/10.1038/nature03201

Chemical structure and biological activity of the Caenorhabditis elegans dauer-inducing pheromone. / Jeong, Pan Young; Jung, Mankil; Yim, Yong Hyeon; Kim, Heekyeong; Park, Moonsoo; Hong, Eunmi; Lee, Weontae; Kim, Young Hwan; Kim, Kun; Paik, Young Ki.

In: Nature, Vol. 433, No. 7025, 03.02.2005, p. 541-545.

Research output: Contribution to journalArticle

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