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玉米根尖的电网络依赖于重力。

The electrical network of maize root apex is gravity dependent.

作者信息

Masi Elisa, Ciszak Marzena, Comparini Diego, Monetti Emanuela, Pandolfi Camilla, Azzarello Elisa, Mugnai Sergio, Baluška Frantisek, Mancuso Stefano

机构信息

LINV, Department of Agrifood Production and Environmental Sciences (DISPAA), University of Florence, viale delle Idee 30, 50019 Sesto Fiorentino (FI), Italy.

1] LINV, Department of Agrifood Production and Environmental Sciences (DISPAA), University of Florence, viale delle Idee 30, 50019 Sesto Fiorentino (FI), Italy [2] CNR, National Institute of Optics (INO), L.go E. Fermi 6, 50125 Florence, Italy.

出版信息

Sci Rep. 2015 Jan 15;5:7730. doi: 10.1038/srep07730.

DOI:10.1038/srep07730
PMID:25588706
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC4295110/
Abstract

Investigations carried out on maize roots under microgravity and hypergravity revealed that gravity conditions have strong effects on the network of plant electrical activity. Both the duration of action potentials (APs) and their propagation velocities were significantly affected by gravity. Similarly to what was reported for animals, increased gravity forces speed-up APs and enhance synchronized electrical events also in plants. The root apex transition zone emerges as the most active, as well as the most sensitive, root region in this respect.

摘要

在微重力和超重力条件下对玉米根进行的研究表明，重力条件对植物电活动网络有强烈影响。动作电位（APs）的持续时间及其传播速度均受到重力的显著影响。与动物的情况类似，重力增加也会加快植物的动作电位，并增强同步电活动。在这方面，根尖过渡区是根中最活跃、也是最敏感的区域。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/519b/4295110/a0dff58ce1a6/srep07730-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/519b/4295110/defea23ac2a0/srep07730-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/519b/4295110/aec9e89393be/srep07730-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/519b/4295110/16b4d84948b8/srep07730-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/519b/4295110/64ee49106f16/srep07730-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/519b/4295110/ac63c4085293/srep07730-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/519b/4295110/a0dff58ce1a6/srep07730-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/519b/4295110/defea23ac2a0/srep07730-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/519b/4295110/aec9e89393be/srep07730-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/519b/4295110/16b4d84948b8/srep07730-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/519b/4295110/64ee49106f16/srep07730-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/519b/4295110/ac63c4085293/srep07730-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/519b/4295110/a0dff58ce1a6/srep07730-f6.jpg

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Microgravity induces changes in microsome-associated proteins of Arabidopsis seedlings grown on board the international space station.
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