Photosynthetic Photon Flux, Photoperiod, and Temperature Effects on Emissions of (Z)-3-hexenal, (Z)-3-hexenol, and (Z)-3-hexenyl Acetate from Lettuce

Charron, Craig S.; Cantliffe, Daniel J.; Wheeler, Raymond M.; Manukian, Ara; Heath, Robert R.

doi:10.21273/jashs.121.3.488

Cited by 17 publications

(3 citation statements)

References 19 publications

(32 reference statements)

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“…The release of some of the potential VOC signals are known to be influenced by abiotic factors such as nutrient availability (Schmelz et al 2003), temperature (Charron et al 1996), wind, UV radiation (Harley et al 1996;Zepp et al 1998;De Moraes et al 2004), and ozone exposure (Heiden et al 1999) in addition to wounding and herbivore attack. These contingencies, in addition to the ephemeral nature of the volatile signal, explain why most studies of plant-plant signaling have been performed in the laboratory (Arimura et al 2000a(Arimura et al , b, 2001Dicke and Bruin 2001;Engelberth et al 2004).…”

Section: Introductionmentioning

confidence: 99%

Priming of plant defense responses in nature by airborne signaling between Artemisia tridentata and Nicotiana attenuata

et al. 2006

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Plants release volatile organic compounds (VOCs) in response to wounding and herbivore attack, some of which trigger responses in neighboring unattacked plants in the laboratory under conditions that are not likely to occur in the real world. Whether plants 'eavesdrop' on the volatile emissions of their neighbors in nature is not known. The best documented field study of between-species signaling via above-ground VOCs involves increases in fitness parameters of native tobacco (Nicotiana attenuata) transplanted adjacent to clipped sagebrush (Artemesia tridentata tridentata). Clipped sagebrush releases many biologically active VOCs, including methyl jasmonate (MeJA), methacrolein and a series of terpenoid and green leaf VOCs, of which MeJA, while active under laboratory conditions, is not released in sufficient quantities to directly elicit induced resistance in the field. Here we demonstrate, with laboratory and field-based experiments, that priming (rather than direct elicitation) of native N. attenuata's induced chemical defenses by a sagebrush-released VOC bouquet can account for earlier findings. With microarrays enriched in N. attenuata herbivore-regulated genes, we found transcriptional responses in tobacco growing adjacent to clipped sagebrush foliage, but failed to detect the direct elicitation of defensive chemicals or proteins. However, we observed an accelerated production of trypsin proteinase inhibitors when Manduca sexta caterpillars fed on plants previously exposed to clipped sagebrush. This readying of a defense response, termed priming, results in lower total herbivore damage to plants exposed to clipped sagebrush and in a higher mortality rate of young Manduca caterpillars. Our study demonstrates priming of plant defense responses as a mechanism of plant-plant signaling in nature, and provides an example for the analysis of between-plant signaling under ecologically realistic conditions. Although we describe priming as a potential mechanism for signaling between plants in nature, we critically discuss the ecological relevance of the particular interaction.

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Section: Introductionmentioning

confidence: 99%

Priming of plant defense responses in nature by airborne signaling between Artemisia tridentata and Nicotiana attenuata

et al. 2006

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“…First indications to support a role of GLV in photosynthesis came from a study by Charron et al [36]. They found that increased photosynthetic photon flux and the length of the photoperiod would cause an increase of GLV production and release in lettuce.…”

Section: Green Leaf Volatiles and Photosynthesismentioning

confidence: 99%

Green Leaf Volatiles: A New Player in the Protection Against Abiotic Stresses?

Engelberth

2024

Preprint

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To date the role of green leaf volatiles has been mainly constrained to their role in protecting plants against pests and pathogens. However, increasing evidence suggests that among the stresses that can significantly harms plants, GLV can also provide significant protection against an array of those including heat, cold, drought, light, and salinity. But while the molecular basis for this protection is still largely unknown, it seems obvious that a common theme in the way GLV work is that most if not all of these stresses are associated with physical damage to the plants, which in turn is the major event responsible for the production of GLV. Here, I summarize the current state of knowledge on GLV and abiotic stresses and provide a model that explains the multifunctionality of these compounds.

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“…Plant volatiles are not emitted in the dark but their levels rise steadily as light intensity increases (Gouinguené and Turlings 2002). For example, enhanced light levels accelerate the release of C6-volatiles from Lactuca sativa L. plants (Charron et al 1996). Loreto et al (2006) have also found that high light causes increased emission of many VOCs, such as isoprene and acetaldehyde.…”

mentioning

confidence: 99%

Saturated Aldehydes C6–C10 Emitted from Ashleaf Maple (Acer negundo L.) Leaves at Different Levels of Light Intensity, O2, and CO2

Shen

2009

J. Plant Biol.

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Aldehydes, a group of volatile organic compounds (VOCs) often detected in the atmosphere, play a key role in atmospheric chemistry and plant resistance to stresses. We used gas chromatography/mass spectrometry to examine the volatiles of saturated aldehydes C6-C10 that were emitted from cuttings of ashleaf maple (Acer negundo L.) under varying levels of light intensity (80, 400, and 800 μmol m −2 s −1 ), O 2 (2% and 50%), and CO 2 (600, 1,000, and 1,200 ppm). An apparent, positive correlation was found between light intensity and emissions, and their release also was significantly enhanced by higher O 2 concentrations. In contrast, emissions clearly were negatively correlated with CO 2 levels. We speculate that the reactive oxygen species (ROS) generated during photosynthesis contribute to these elevated emissions. However, the mechanism for this ROS trigger is unknown.

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Photosynthetic Photon Flux, Photoperiod, and Temperature Effects on Emissions of (Z)-3-hexenal, (Z)-3-hexenol, and (Z)-3-hexenyl Acetate from Lettuce

Cited by 17 publications

References 19 publications

Priming of plant defense responses in nature by airborne signaling between Artemisia tridentata and Nicotiana attenuata

Priming of plant defense responses in nature by airborne signaling between Artemisia tridentata and Nicotiana attenuata

Green Leaf Volatiles: A New Player in the Protection Against Abiotic Stresses?

Saturated Aldehydes C6–C10 Emitted from Ashleaf Maple (Acer negundo L.) Leaves at Different Levels of Light Intensity, O2, and CO2

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