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Title: Glutamate triggers long-distance, calcium-based plant defense signaling

Abstract

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 theGLUTAMATE RECEPTOR–LIKEfamily 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.


Citation Formats

Toyota, Masatsugu, Spencer, Dirk, Sawai-Toyota, Satoe, Jiaqi, Wang, Zhang, Tong, Koo, Abraham J., Howe, Gregg A., and Gilroy, Simon. Glutamate triggers long-distance, calcium-based plant defense signaling. United States: N. p., 2018. Web. doi:10.1126/science.aat7744.
Toyota, Masatsugu, Spencer, Dirk, Sawai-Toyota, Satoe, Jiaqi, Wang, Zhang, Tong, Koo, Abraham J., Howe, Gregg A., & Gilroy, Simon. Glutamate triggers long-distance, calcium-based plant defense signaling. United States. doi:10.1126/science.aat7744.
Toyota, Masatsugu, Spencer, Dirk, Sawai-Toyota, Satoe, Jiaqi, Wang, Zhang, Tong, Koo, Abraham J., Howe, Gregg A., and Gilroy, Simon. Thu . "Glutamate triggers long-distance, calcium-based plant defense signaling". United States. doi:10.1126/science.aat7744.
@article{osti_1541701,
title = {Glutamate triggers long-distance, calcium-based plant defense signaling},
author = {Toyota, Masatsugu and Spencer, Dirk and Sawai-Toyota, Satoe and Jiaqi, Wang and Zhang, Tong and Koo, Abraham J. and Howe, Gregg A. and Gilroy, Simon},
abstractNote = {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 theGLUTAMATE RECEPTOR–LIKEfamily 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.},
doi = {10.1126/science.aat7744},
journal = {Science},
issn = {0036-8075},
number = 6407,
volume = 361,
place = {United States},
year = {2018},
month = {9}
}

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