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The circadian clock contributes to diurnal patterns of plant indirect defense in nature.

A new interesting article has been published in J Integr Plant Biol. 2018 Sep 25. doi: 10.1111/jipb.12725. Letter and titled:

The circadian clock contributes to diurnal patterns of plant indirect defense in nature.

Authors of this article are:
Joo Y Goldberg JK Chretien L Kim SG Baldwin IT Schuman MC.

A summary of the article is shown below:
The plant circadian clock regulates the rhythms of plant metabolism. Many herbivore-induced plant volatiles (HIPVs) fluctuate, diurnally, but the role of the circadian clock in the emission of HIPVs and their ecological consequences remains largely unknown. Here, we show that the timing of herbivore attack can alter the outcome of tri-trophic interactions, and this is mediated by the circadian clock, under both field and glasshouse conditions. Although most HIPV emissions did not have a circadian rhythm, the circadian clock modulated HIPV emissions in a time-dependent manner. HIPVs mediate tri-trophic interactions, and the circadian clock may affect these interactions by modulating HIPV emission in nature.

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