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<i style="font-size: 12pt; font-variant-ligatures: inherit; font-variant-caps: inherit; font-weight: inherit; color: rgb(34, 34, 34);"><span style="font-size: 9.5pt; font-family: Arial, sans-serif; color: rgb(34, 34, 34);" class="ContentPasted1">How plants
communicate with each other when in danger</span></i><span class="ContentPasted1" style="font-size: 9.5pt; font-family: Arial, sans-serif; color: rgb(34, 34, 34);">, Washington Post, October 21, 2023.
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<span style="font-size: 9.5pt; font-family: Arial, sans-serif; color: rgb(34, 34, 34);" class="ContentPasted1">Link: https://wapo.st/3FxkbzK<o:p class="ContentPasted1"> </o:p></span></p>
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<span style="font-size: 9.5pt; font-family: Arial, sans-serif; color: rgb(34, 34, 34);" class="ContentPasted1">Below is the study referenced in the Washington Post article.<o:p class="ContentPasted1"> </o:p></span></p>
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<span style="font-size: 9.5pt; font-family: Arial, sans-serif; color: rgb(34, 34, 34);" class="ContentPasted1">Aratani, Y., Uemura, T., Hagihara, T. et al. Green leaf volatile sensory calcium transduction in Arabidopsis. Nat Commun 14, 6236 (2023). https://doi.org/10.1038/s41467-023-41589-9<o:p class="ContentPasted1"> </o:p></span></p>
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<span style="font-size: 9.5pt; font-family: Arial, sans-serif; color: rgb(34, 34, 34);" class="ContentPasted1">Abstract or Summary<o:p class="ContentPasted1"> </o:p></span></p>
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<span style="font-size: 9.5pt; font-family: Arial, sans-serif; color: rgb(34, 34, 34);" class="ContentPasted1">Plants perceive volatile organic compounds (VOCs) released by mechanically- or herbivore-damaged neighboring plants and induce various defense responses.
Such interplant communication protects plants from environmental threats. However, the spatiotemporal dynamics of VOC sensory transduction in plants remain largely unknown. Using a wide-field real-time imaging method, we visualize an increase in cytosolic
Ca2+ concentration ([Ca2+]cyt) in Arabidopsis leaves following exposure to VOCs emitted by injured plants. We identify two green leaf volatiles (GLVs), (Z)-3-hexenal (Z-3-HAL) and (E)-2-hexenal (E-2-HAL), which increase [Ca2+]cyt in Arabidopsis. These volatiles
trigger the expression of biotic and abiotic stress-responsive genes in a Ca2+-dependent manner. Tissue-specific high-resolution Ca2+ imaging and stomatal mutant analysis reveal that [Ca2+]cyt increases instantly in guard cells and subsequently in mesophyll
cells upon Z-3-HAL exposure. These results suggest that GLVs in the atmosphere are rapidly taken up by the inner tissues via stomata, leading to [Ca2+]cyt increases and subsequent defense responses in Arabidopsis leaves.<o:p class="ContentPasted1"> </o:p></span></p>
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<span style="font-size: 9.5pt; font-family: Arial, sans-serif; color: black;" class="ContentPasted1">Link to article: https://www.nature.com/articles/s41467-023-41589-9#Abs1</span><span style="font-size:9.5pt;font-family:"Arial",sans-serif;mso-fareast-font-family:"Times New Roman""><o:p class="ContentPasted1"> </o:p></span></p>
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