My channel also press bell icon for future video notifications. Thanks the venus flytrap dianeia mucipola is a carnivorous plant that encloses its prey using modified leaves as a trap during this process. Electrical signals, known as action potentials trigger the closure of the leaf lobes. An interdisciplinary team of scientists has now shown that these electrical signals generate measurable magnetic fields using atomic magnetometers. It proved possible to record this biomagnetism. You could say the investigation is a little like performing an mri scan in humans, said physicist and fabricant. The problem is that the magnetic signals in plants are very weak, which explains why it was extremely difficult to measure them with the help of older technologies. Electrical activity. In the venus fly, trap is associated with magnetic signals. We know that in the human brain voltage changes in sir techniques, such as electro electroencephalography, eg, magnetoencephalography, meg and magnetic resonance imaging mri can be used to record these activities and non invasively diagnose disorders when plants are stimulated. They also generate electrical signals which can travel through a cellular network analogous to the human and animal nervous system, an interdisciplinary team of researchers from johannes gutenberg, university, mainz jgu, the helmholtz institute minds him the biocenter of julius maximilian’s universitat of uttsburg jmu and the physique lish Technician: bundes onstalt ptb in berlin, germany’s national meteorology institute h. We have been able to demonstrate that action potentials in a multicellular plant system produce measurable magnetic fields, something that had never been confirmed before said anne fabricant, a doctoral candidate in professor dmitry butker’s research group at jgu and him.

The trap of dionya mussibola consists of bilobed trapping leaves with sensitive hairs, which, when touched trigger an action potential that travels through the whole trap. After two successive stimuli, the trap closes and any potential insect prey is locked inside and subsequently digested. Interestingly, the trap is electrically excitable in a variety of ways. In addition to mechanical influences such as touch or injury, osmotic energy, for example, salt, water loads and thermal energy in the form of heat or cold, can also trigger action potentials for their study. The research team used heat stimulation to induce action potentials, thereby eliminating potentially disturbing factors such as mechanical background noise in their magnetic measurements, biomagnetism, detection of magnetic signals from living organisms, while biomagnetism has been relatively well researched in humans and animals. So far, very little. Equivalent research has been done in the plant kingdom using only superconducting quantum interference device, squid magnetometers for the current experiment. The research team used atomic magnetometers to measure the magnetic signals of the venus flight wrap. The sensor is a glass cell filled with a vapor of alkali atoms which react to small changes in the local magnetic field environment. These optically pumped magnetometers are more attractive for biological applications because they do not require cryogenic cooling and can also be miniaturized. The researchers detected magnetic signals with an amplitude of up to zero five picots live from the venus flight trap, which is millions of times weaker than the earth’s magnetic field.

The signal magnitude recorded is similar to what is observed during surface measurements of nerve impulses in animals explained and fabricant. The jgu physicists aim to measure even smaller signals from other plant species in the future. Such non invasive technologies could potentially be used in agriculture for crop plant diagnostics by detecting electromagnetic responses to sudden temperature changes, pests or chemical influences without having to damage the plants using electrodes. The results of the study have been published in scientific reports. The project received financial support from the german research foundation, dfg, the carl zeiss foundation and the german federal ministry of education and research bmbf. Please support our channel to grow by pressing subscribe button, as well as the bell icon for daily science updates.