linkedin post 2020-09-07 04:34:41

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PLANT ELECTRICAL SIGNALS. “Inspired by the complexity of the signaling network in plants and by analogies with some traits of neurons in human brains, we have sought for evidences of high complexity in the electrical dynamics of plant signaling, beyond APs and VPs responses. Thus, from EEG-like data analyses of soybean plants, we showed consistent evidences of chaotic dynamics in the electrical time series. Furthermore, we have found that the dynamic complexity of electrical signals is affected by the plant physiological conditions, decreasing when plant was stressed.” (APs = action potentials; VPs = variation potentials). https://lnkd.in/dpctVZq View in LinkedIn
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linkedin post 2020-09-09 04:25:42

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CALCIUM AND ROS. "In addition to the use of mobile small molecules and hormones, electrical signals have long been known to propagate throughout the plant. This electrical signaling network has now been linked to waves of Ca2+ and reactive oxygen species that traverse the plant and trigger systemic responses." https://lnkd.in/dFYDRax View in LinkedIn
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linkedin post 2020-09-09 04:22:24

linkedin post 2020-09-09 04:22:24

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REGULATORY SIGNALS. "Evidence was found for a link between electrical signals and photosynthesis as well as respiration. Wound-induced VPs cause a transient suppression in photosynthetic activity and an increase in respiratory CO2 release. The results led us to conclude that different stimulation types trigger characteristic electrical signals each with specific influence on physiological processes." (VPs = variation potentials). http://www.sciencedirect.com/science/article/pii/S0098847214001634 View in LinkedIn
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linkedin post 2020-09-08 04:22:18

linkedin post 2020-09-08 04:22:18

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STRESSORS. "Recently, it was shown that apart from hydraulic signals, electric signals also play a significant role in root-to-shoot communication of drought-stressed plants. Re-irrigation of plants after soil drying initiates rapid hydraulic as well as electric signalling which affects the gas exchange of leaves." http://www.sciencedirect.com/science/article/pii/S0098847214001634 View in LinkedIn
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linkedin post 2020-09-08 04:19:08

linkedin post 2020-09-08 04:19:08

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DOCUMENTATION. "The transmission of both, APs and VPs, occurs via the phloem over long distances and via plasmodesmata over short distances from cell to cell. Regarding physiological functions of electrical signals, numerous examples exist. They regulate rapid leaf movements in order to catch insects and for instance, affect nutrient uptake, gene expression and phloem transport." (APs = action potentials; VPs = variation potentials). http://www.sciencedirect.com/science/article/pii/S0098847214001634 View in LinkedIn
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linkedin post 2020-09-08 04:16:14

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PLANT "Electrical signals have been studied in numerous species so far. It appears that two main types of such signals occur in plants, rapid action potentials (APs) and slower variation potentials (VPs). While APs are generally evoked by non-invasive stimuli and follow the all-or-nothing principle as in neurons, VPs are mostly triggered by wounding and do not follow the all-or-nothing law." (APs = action potentials; VPs = variation potentials). https://lnkd.in/d2MZS34 View in LinkedIn
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linkedin post 2020-09-08 04:14:01

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PHYSIOLOGICAL SIGNALS. "Many physiological effects such as gas exchange, gene expression and leaf movement can be induced or regulated by APs in plants. VPs are slower signals that are induced by damaging stimuli (for example burning and cutting). Both types of signals carry information to other cells, tissues and organs, where they trigger appropriate responses." (APs = action potentials; VPs = variation potentials), https://lnkd.in/dAsmaWB View in LinkedIn
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