Conditions for the emergence of circumnutations in plant roots.
Clicks: 51
ID: 276602
2021
The plant root system shows remarkably complex behaviors driven by environmental cues and internal dynamics, whose interplay remains largely unknown. A notable example is circumnutation growth movements, which are growth oscillations from side to side of the root apex. Here we describe a model capable of replicating root growth behaviors, which we used to analyze the role of circumnuntations, revealing their emergence I) under gravitropic stress, as a combination of signal propagation and sensitivity to the signal carriers; II) as a result of the interplay between gravitropic and thigmotropic responses; and III) as a behavioral strategy to detect and react to resource gradients. The latter function requires the presence of a hypothetical internal oscillator whose parameters are regulated by the perception of environmental resources.
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loshchilov2021conditionsplos
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| Authors | Loshchilov, Ilya;Del Dottore, Emanuela;Mazzolai, Barbara;Floreano, Dario; |
| Journal | PloS one |
| Year | 2021 |
| DOI | e0252202 |
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