Root architecture of Arabidopsis is affected by competition with neighbouring plants
How roots detect and respond to the presence of neighbors is relevant to understand plant belowground interactions. The aim of the present work was to evaluate the effect of the presence of neighboring plants and the limited availability of phosphorus on root architecture. A target plant of Arabidop...
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| Formato: | Artículo |
| Lenguaje: | Inglés |
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| Acceso en línea: | http://ri.agro.uba.ar/files/intranet/articulo/2013caffaro.pdf LINK AL EDITOR |
| Aporte de: | Registro referencial: Solicitar el recurso aquí |
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| 245 | 1 | 0 | |a Root architecture of Arabidopsis is affected by competition with neighbouring plants |
| 520 | |a How roots detect and respond to the presence of neighbors is relevant to understand plant belowground interactions. The aim of the present work was to evaluate the effect of the presence of neighboring plants and the limited availability of phosphorus on root architecture. A target plant of Arabidopsis thaliana [Ler or Col] was surrounded by combinations of two individuals [Ler and Col], and subjected to different growth conditions [levels of activated charcoal [AC] and phosphorus]. Both accessions consistently concentrated their roots towards the competition zone shared with a neighbor of the same accession, avoiding the side shared with the other accession. All these competition strategies disappeared when plants were limited by phosphorus or when activated charcoal was added to the growth media. Plants produced consistently fewer but longer lateral roots when activated charcoal was added to the growth media irrespective of the neighbors. Our results indicate a direct role of secondary metabolites present in the root exudates and phosphorus availability in the response of presence and identity of neighboring roots. | ||
| 653 | 0 | |a ARABIDOPSIS THALIANA | |
| 653 | 0 | |a ROOT ARCHITECTURE | |
| 653 | 0 | |a ROOT COMPETITION | |
| 653 | 0 | |a ROOT EXUDATES | |
| 653 | 0 | |a ARABIDOPSIS | |
| 700 | 1 | |9 34435 |a Caffaro, María Marta | |
| 700 | 1 | |9 58144 |a Vivanco, Jorge M. | |
| 700 | 1 | |9 65609 |a Botto, Javier Francisco | |
| 700 | 1 | |9 6390 |a Rubio, Gerardo | |
| 773 | |t Plant Growth Regulation |g vol.70, no.2 (2013), p.141-147 | ||
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| 900 | |a ^tRoot architecture of Arabidopsis is affected by competition with neighbouring plants | ||
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| 900 | |a ^aVivanco^bJ.M. | ||
| 900 | |a ^aBotto^bJ. | ||
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| 900 | |a ^aBotto^bJ. F. | ||
| 900 | |a ^aRubio^bG. | ||
| 900 | |a ^aCaffaro, M.M.^tCátedra de Fertilidad y Fertilizantes, INBA CONICET, UBA Facultad de Agronomía, Av. San Martín 4453, C1417DSE Buenos Aires, Argentina | ||
| 900 | |a ^aVivanco, J.M.^tCenter for Rhizosphere Biology, Colorado State University, Fort Collins, CO, 80523-1173, United States | ||
| 900 | |a ^aBotto, J.^tIFEVA CONICET, UBA Facultad de Agronomía, Buenos Aires, Argentina | ||
| 900 | |a ^aRubio, G.^tCátedra de Fertilidad y Fertilizantes, INBA CONICET, UBA Facultad de Agronomía, Av. San Martín 4453, C1417DSE Buenos Aires, Argentina | ||
| 900 | |a ^tPlant Growth Regulation^cPlant Growth Regul. | ||
| 900 | |a en | ||
| 900 | |a 141 | ||
| 900 | |a ^i | ||
| 900 | |a Vol. 70, no. 2 | ||
| 900 | |a 147 | ||
| 900 | |a ARABIDOPSIS THALIANA | ||
| 900 | |a ROOT ARCHITECTURE | ||
| 900 | |a ROOT COMPETITION | ||
| 900 | |a ROOT EXUDATES | ||
| 900 | |a ARABIDOPSIS | ||
| 900 | |a How roots detect and respond to the presence of neighbors is relevant to understand plant belowground interactions. The aim of the present work was to evaluate the effect of the presence of neighboring plants and the limited availability of phosphorus on root architecture. A target plant of Arabidopsis thaliana [Ler or Col] was surrounded by combinations of two individuals [Ler and Col], and subjected to different growth conditions [levels of activated charcoal [AC] and phosphorus]. Both accessions consistently concentrated their roots towards the competition zone shared with a neighbor of the same accession, avoiding the side shared with the other accession. All these competition strategies disappeared when plants were limited by phosphorus or when activated charcoal was added to the growth media. Plants produced consistently fewer but longer lateral roots when activated charcoal was added to the growth media irrespective of the neighbors. Our results indicate a direct role of secondary metabolites present in the root exudates and phosphorus availability in the response of presence and identity of neighboring roots. | ||
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