scholarly journals Phospholipase Dζ2 Drives Vesicular Secretion of Auxin for Its Polar Cell-Cell Transport in the Transition Zone of the Root Apex

2007 ◽  
Vol 2 (4) ◽  
pp. 240-244 ◽  
Author(s):  
Stefano Mancuso ◽  
Anna Maria Marras ◽  
Sergio Mugnai ◽  
Markus Schlicht ◽  
Viktor Žárský ◽  
...  
Keyword(s):  
Transition Zone ◽  
Root Apex ◽  
Cell Transport ◽  
Polar Cell ◽  
Vesicular Secretion ◽  
Cell Cell

scholarly journals Nitrate sensing by the maize root apex transition zone: a merged transcriptomic and proteomic survey

2015 ◽  
Vol 66 (13) ◽  
pp. 3699-3715 ◽  
Author(s):  
Sara Trevisan ◽  
Alessandro Manoli ◽  
Laura Ravazzolo ◽  
Alessandro Botton ◽  
Micaela Pivato ◽  
...  
Keyword(s):  
Transition Zone ◽  
Root Apex ◽  
Maize Root

scholarly journals Oxidative Stress and NO Signalling in the Root Apex as an Early Response to Changes in Gravity Conditions

2014 ◽  
Vol 2014 ◽  
pp. 1-10 ◽  
Author(s):  
Sergio Mugnai ◽  
Camilla Pandolfi ◽  
Elisa Masi ◽  
Elisa Azzarello ◽  
Emanuela Monetti ◽  
...  
Keyword(s):  
Transition Zone ◽  
Root Apex ◽  
Active Role ◽  
Early Response ◽  
Real Microgravity ◽  
Microgravity Conditions ◽  
Auxin Redistribution ◽  
Set Up ◽  
No Fluxes

Oxygen influx showed an asymmetry in the transition zone of the root apex when roots were placed horizontally on ground. The influx increased only in the upper side, while no changes were detected in the division and in the elongation zone. Nitric oxide (NO) was also monitored after gravistimulation, revealing a sudden burst only in the transition zone. In order to confirm these results in real microgravity conditions, experiments have been set up by using parabolic flights and drop tower. The production of reactive oxygen species (ROS) was also monitored. Oxygen, NO, and ROS were continuously monitored during normal and hyper- and microgravity conditions in roots of maize seedlings. A distinct signal in oxygen and NO fluxes was clearly detected only in the apex zone during microgravity, with no significant changes in normal and in hypergravity conditions. The same results were obtained by ROS measurement. The detrimental effect of D’orenone, disrupting the polarised auxin transport, on the onset of the oxygen peaks during the microgravity period was also evaluated. Results indicates an active role of NO and ROS as messengers during the gravitropic response, with probable implications in the auxin redistribution.

Root apex transition zone: a signalling–response nexus in the root

2010 ◽  
Vol 15 (7) ◽  
pp. 402-408 ◽  
Author(s):  
František Baluška ◽  
Stefano Mancuso ◽  
Dieter Volkmann ◽  
Peter W. Barlow
Keyword(s):  
Transition Zone ◽  
Root Apex

scholarly journals Getting to the root of plant iron uptake and cell-cell transport: Polarity matters!

2015 ◽  
Vol 8 (3) ◽  
pp. e1038441 ◽  
Author(s):  
Guillaume Dubeaux ◽  
Enric Zelazny ◽  
Grégory Vert
Keyword(s):  
Iron Uptake ◽  
Cell Transport ◽  
Cell Cell

scholarly journals Transition zone cells reach G2 phase before initiating elongation in maize root apex

Biology Open ◽  
2017 ◽  
Vol 6 (6) ◽  
pp. 909-913 ◽  
Author(s):  
M. Victoria Alarcón ◽  
Julio Salguero
Keyword(s):  
Transition Zone ◽  
Root Apex ◽  
Maize Root ◽  
G2 Phase

scholarly journals Root Apex Transition Zone As Oscillatory Zone

2013 ◽  
Vol 4 ◽  
Author(s):  
František Baluška ◽  
Stefano Mancuso
Keyword(s):  
Transition Zone ◽  
Root Apex ◽  
Oscillatory Zone

scholarly journals TAA1-Regulated Local Auxin Biosynthesis in the Root-Apex Transition Zone Mediates the Aluminum-Induced Inhibition of Root Growth in Arabidopsis

2014 ◽  
Vol 26 (7) ◽  
pp. 2889-2904 ◽  
Author(s):  
Zhong-Bao Yang ◽  
Xiaoyu Geng ◽  
Chunmei He ◽  
Feng Zhang ◽  
Rong Wang ◽  
...  
Keyword(s):  
Root Growth ◽  
Transition Zone ◽  
Root Apex ◽  
Auxin Biosynthesis
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