Photoreceptor - mediated kin recognition in plants
Although cooperative interactions among kin have been established in a variety of biological systems, their occurrence in plants remains controversial. Plants of Arabidopsis thaliana were grown in rows of either a single or multiple accessions. Plants recognized kin neighbours and horizontally reori...
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| Formato: | Artículo |
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| Acceso en línea: | http://ri.agro.uba.ar/files/intranet/articulo/2015crepy.pdf LINK AL EDITOR |
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| 024 | |a 10.1111/nph.13040 | ||
| 040 | |a AR-BaUFA |c AR-BaUFA | ||
| 100 | 1 | |9 69990 |a Crepy, María A. | |
| 245 | 0 | 0 | |a Photoreceptor - mediated kin recognition in plants |
| 520 | |a Although cooperative interactions among kin have been established in a variety of biological systems, their occurrence in plants remains controversial. Plants of Arabidopsis thaliana were grown in rows of either a single or multiple accessions. Plants recognized kin neighbours and horizontally reoriented leaf growth, a response not observed when plants were grown with nonkin. Plant kin recognition involved the perception of the vertical red-far-red light and blue light profiles. Disruption of the light profiles, mutations at the PHYTOCHROME B, CRYPTOCHROME 1 or 2, or PHOTOTROPIN 1 or 2 photoreceptor genes or mutations at the TRYPTOPHAN AMINOTRANSFERASE OF ARABIDOPSIS1 gene required for auxin [growth hormone] synthesis impaired the response. The leaf - position response increases plant self - shading, decreases mutual shading between neighbours and increases fitness. Light signals from neighbours are known to shape a more competitive plant body. Here we show that photosensory receptors mediate cooperative rather than competitive interactions among kin neighbours by reducing the competition for local pools of resources. | ||
| 650 | |2 Agrovoc |9 26 | ||
| 653 | 0 | |a SHADE AVOIDANCE | |
| 653 | 0 | |a PHYTOCHROME | |
| 653 | 0 | |a PHOTOTROPIN | |
| 653 | 0 | |a KIN | |
| 653 | 0 | |a FITNESS | |
| 653 | 0 | |a CRYPTOCHROME | |
| 653 | 0 | |a COMPETITION | |
| 700 | 1 | |9 792 |a Casal, Jorge José | |
| 773 | |t New Phytologist |g Vol.205, no.1 (2015), p.329-338, grafs., fot. | ||
| 856 | |u http://ri.agro.uba.ar/files/intranet/articulo/2015crepy.pdf |i En reservorio |q application/pdf |f 2015crepy |x MIGRADOS2018 | ||
| 856 | |u https://www.wiley.com/ |x MIGRADOS2018 |z LINK AL EDITOR | ||
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