Drought tolerance induced by sound in Arabidopsis plants

López-Ribera, Ignacio; Vicient, Carlos M.

doi:10.1080/15592324.2017.1368938

Cited by 42 publications

(21 citation statements)

References 57 publications

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“…According to previous studies, only a few selective acoustic waves could have a favorable effect on some species, for instance when applied to plants, certain ones have been shown to induce drought and disease tolerance in nearby plants or in parts of the same plant. 12,28,29 What can be inferred from this information is that, in those circumstances, a plant could not only perceive vibrations but also develop them into some resonance phenomena when getting mechanically stimulated at resonant frequencies. Consequently, plants could release enlightening information through vibration itself as a mechanical signaling process in order to communicate its condition.…”

Section: Vibrational Amplitudes Changes Between Hydric Stress Levelsmentioning

confidence: 99%

Effects of hydric stress on vibrational frequency patterns of Capsicum annuum plants

Caicedo-López

Contreras-Medina

Guevara-González

et al. 2020

Plant Signaling & Behavior

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Plants that experience a lack of sufficient irrigation undergo hydric stress, which causes the modification of their mechanical properties. These changes include a complex network of chemical and physical signals that interact between plant-plant and plant-environment systems in a mechanism that is still not well understood, and that differs among species. This mechanical response implies different levels of vibration when the plant experiences structural modifications from self-hydraulic adjustments of flux exchange at specific frequencies, with these carrying behavioral information. To measure these signals, highly sensitive instrumentation that allows the decoding of displacement velocity and displacement of plants, which is possible through calibrated equipment such as 3D scanning laser vibrometers, is necessary. Laser vibrometry technology allows for noninvasive measurements in real-time. Physiological changes could reasonably affect the biomechanical condition of plants in terms of the frequency (hertz) and intensity of the plant's vibration. In this research, it is proposed that the frequency changes of a plant's vibration are related to the plant's hydric condition and that these frequency vibrations have the ecological potential to communicate water changes and levels of hydric stress. The peak of the velocity of plant displacements was found to vary from 0.079 to 1.74 mm/s, and natural frequencies (hertz) range is between 1.8 and 2.6 Hz for plants with low hydric stress (LHS), between 1.3 and 1.6 Hz for plants with medium hydric stress (MHS), and between 6.7 and 7.8 Hz for plants with high hydric stress. These values could act as preliminary references for water management using noninvasive techniques and, knowledge of the range of natural frequencies of hydric stress risk in chili pepper crops can be applied in precision agriculture practices.

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Section: Vibrational Amplitudes Changes Between Hydric Stress Levelsmentioning

confidence: 99%

Effects of hydric stress on vibrational frequency patterns of Capsicum annuum plants

Caicedo-López

Contreras-Medina

Guevara-González

et al. 2020

Plant Signaling & Behavior

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“…This resulted in resistance towards plant pathogens such as Botrytis cinerea [ 11 ], and improved plant health [ 12 ]. Moreover, novel data provide increasing evidence of a molecular mechanism for sound perception and transduction, improving germination, growth, development, crop yield and increased tolerance to drought stress [ 13 , 14 , 15 ]. Plants respond to the chewing sound of insect larvae, the buzz pollination of bees [ 16 , 17 ], and bat-dependent plants evolved acoustic reflectors for the bat echolocation system to attract their pollination partners [ 18 ].…”

Section: Introductionmentioning

confidence: 99%

Plant Health and Sound Vibration: Analyzing Implications of the Microbiome in Grape Wine Leaves

2021

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Understanding the plant microbiome is a key for plant health and controlling pathogens. Recent studies have shown that plants are responsive towards natural and synthetic sound vibration (SV) by perception and signal transduction, which resulted in resistance towards plant pathogens. However, whether or not native plant microbiomes respond to SV and the underlying mechanism thereof remains unknown. Within the present study we compared grapevine-associated microbiota that was perpetually exposed to classical music with a non-exposed control group from the same vineyard in Stellenbosch, South Africa. By analyzing the 16S rRNA gene and ITS fragment amplicon libraries we found differences between the core microbiome of SV-exposed leaves and the control group. For several of these different genera, e.g., Bacillus, Kocuria and Sphingomonas, a host-beneficial or pathogen-antagonistic effect has been well studied. Moreover, abundances of taxa identified as potential producers of volatile organic compounds that contribute to sensory characteristics of wines, e.g., Methylobacterium, Sphingomonas, Bacillus and Sporobolomyces roseus, were either increased or even unique within the core music-exposed phyllosphere population. Results show an as yet unexplored avenue for improved plant health and the terroir of wine, which are important for environmentally friendly horticulture and consumer appreciation. Although our findings explain one detail of the long-term positive experience to improve grapevine’s resilience by this unusual but innovative technique, more mechanistic studies are necessary to understand the whole interplay.

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“…However, the ability of plants to sense and respond to airborne sound – one of the most widely used communication modalities in the animal kingdom – has hardly been investigated (Chamovitz ; Gagliano et al ; Hassanien et al ). Recent studies demonstrated slow responses, such as changes in the growth rate of plants, after exposure to artificial acoustic stimuli lasting hours or days (Takahashi et al ; Xiujuan et al ; Yi et al ; Bochu et al ; Ghosh et al ; Choi et al ; Gagliano et al, ; Ghosh et al ; Kim et al ; López‐Ribera & Vicient ; Jung et al ). Furthermore, plant tissues have been shown to vibrate to a range of sounds (Telewski ; Rebar et al ; Davis et al, ).…”

Section: Introductionmentioning

confidence: 99%

Flowers respond to pollinator sound within minutes by increasing nectar sugar concentration

et al. 2019

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Can plants sense natural airborne sounds and respond to them rapidly? We show that Oenothera drummondii flowers, exposed to playback sound of a flying bee or to synthetic sound signals at similar frequencies, produce sweeter nectar within 3 min, potentially increasing the chances of cross pollination. We found that the flowers vibrated mechanically in response to these sounds, suggesting a plausible mechanism where the flower serves as an auditory sensory organ. Both the vibration and the nectar response were frequency‐specific: the flowers responded and vibrated to pollinator sounds, but not to higher frequency sound. Our results document for the first time that plants can rapidly respond to pollinator sounds in an ecologically relevant way. Potential implications include plant resource allocation, the evolution of flower shape and the evolution of pollinators sound. Finally, our results suggest that plants may be affected by other sounds as well, including anthropogenic ones.

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Drought tolerance induced by sound in Arabidopsis plants

Cited by 42 publications

References 57 publications

Effects of hydric stress on vibrational frequency patterns of Capsicum annuum plants

Effects of hydric stress on vibrational frequency patterns of Capsicum annuum plants

Plant Health and Sound Vibration: Analyzing Implications of the Microbiome in Grape Wine Leaves

Flowers respond to pollinator sound within minutes by increasing nectar sugar concentration

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