Glutamate triggers long-distance, calcium-based plant defense signaling http://science.sciencemag.org/content/361/6407/1112
> Animals require rapid, long-range molecular signaling networks to integrate > sensing and response throughout their bodies. The amino acid glutamate acts > as an excitatory neurotransmitter in the vertebrate central nervous system, > facilitating long-range information exchange via activation of glutamate > receptor channels. Similarly, plants sense local signals, such as herbivore > attack, and transmit this information throughout the plant body to rapidly > activate defense responses in undamaged parts. Here we show that glutamate is > a wound signal in plants. Ion channels of the GLUTAMATE RECEPTOR–LIKE family > act as sensors that convert this signal into an increase in intracellular > calcium ion concentration that propagates to distant organs, where defense > responses are then induced. On 09/17/2018 11:33 AM, Marcus Daniels wrote: > http://www.sci-news.com/biology/science-mimosa-plants-memory-01695.html > > On 9/17/18, 12:27 PM, "Friam on behalf of Prof David West" > <[email protected] on behalf of [email protected]> wrote: > > [...] > I am watching plants move outside of my window. I doubt the plants are > feeling pain, nor are they reacting to/ avoiding pain. True, most people > don't eat pines, cedars, and manzanitas, and food plants, e.g. a potato, > don't move much. But still, movement, even as an indicator or potential for > feeling pain, seems less than useful. -- ☣ uǝlƃ ============================================================ FRIAM Applied Complexity Group listserv Meets Fridays 9a-11:30 at cafe at St. John's College to unsubscribe http://redfish.com/mailman/listinfo/friam_redfish.com FRIAM-COMIC http://friam-comic.blogspot.com/ by Dr. Strangelove
