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16 p, 1.5 MB |
Development and carotenoid synthesis in dark-grown carrot taproots require PHYTOCHROME RAPIDLY REGULATED1
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Arias, Daniela (Universidad de Chile. Centro de Biología Molecular Vegetal) ;
Ortega, Angélica (Universidad de Chile. Centro de Biología Molecular Vegetal) ;
González-Calquin, Christian (Universidad de Chile. Centro de Biología Molecular Vegetal) ;
Quiroz Iturra, Luis Felipe (Universidad de Chile. Centro de Biología Molecular Vegetal) ;
Moreno Romero, Jordi (Centre de Recerca en Agrigenòmica) ;
Martínez García, Jaime F. (Centre de Recerca en Agrigenòmica) ;
Stange, Claudia (Universidad de Chile. Centro de Biología Molecular Vegetal)
Light stimulates carotenoid synthesis in plants during photomorphogenesis through the expression of PHYTOENE SYNTHASE (PSY), a key gene in carotenoid biosynthesis. The orange carrot (Daucus carota) synthesizes and accumulates high amounts of carotenoids in the taproot that grows underground. [...]
2022 - 10.1093/plphys/kiac097
Plant physiology, Vol. 189, Issue 3 (July 2022) , p. 1450-1465
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10 p, 2.1 MB |
Gibberellin A Metabolism Contributes to the Control of Photoperiod-Mediated Tuberization in Potato
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Bou Torrent, Jordi (Institut de Recerca i Tecnologia Agroalimentàries. Centre de Recerca en Sanitat Animal) ;
Martínez-García, Jaime F. (Institució Catalana de Recerca i Estudis Avançats) ;
García-Martínez, José Luis (Instituto de Biologia Molecular y Celular de Plantas (València, Espanya)) ;
Prat, Salomé (Centro Nacional de Biotecología-CSIC)
Some potato species require a short-day (SD) photoperiod for tuberization, a process that is negatively affected by gibberellins (GAs). Here we report the isolation of StGA3ox2, a gene encoding a GA 3-oxidase, whose expression is increased in the aerial parts and is repressed in the stolons after transfer of photoperiod-dependent potato plants to SD conditions. [...]
2011 - 10.1371/journal.pone.0024458
PloS one, Vol. 6 (september 2011)
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15 p, 1.7 MB |
Light signals generated by vegetation shade facilitate acclimation to low light in shade-avoider plants
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Morelli, Luca (Centre de Recerca en Agrigenòmica) ;
Paulišić, Sandi (Centre de Recerca en Agrigenòmica) ;
Qin, Wenting (Centre de Recerca en Agrigenòmica) ;
Iglesias Sánchez, Ariadna (Centre de Recerca en Agrigenòmica) ;
Roig Villanova, Irma (Centre de Recerca en Agrigenòmica) ;
Florez-Sarasa, Igor (Centre de Recerca en Agrigenòmica) ;
Rodríguez Concepción, Manuel (Centre de Recerca en Agrigenòmica) ;
Martínez García, Jaime F. (Centre de Recerca en Agrigenòmica)
When growing in search for light, plants can experience continuous or occasional shading by other plants. Plant proximity causes a decrease in the ratio of R to far-red light (low R:FR) due to the preferential absorbance of R light and reflection of FR light by photosynthetic tissues of neighboring plants. [...]
2021 - 10.1093/plphys/kiab206
Plant physiology, Vol. 186, Issue 4 (August 2021) , p. 2137-2151
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78 p, 1.7 MB |
Adjustment of the PIF7-HFR1 transcriptional module activity controls plant shade adaptation
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Paulisic, Sandi (Centre de Recerca en Agrigenòmica) ;
Qin, Wenting (Centre de Recerca en Agrigenòmica) ;
Veraszto, Harshul Arora (University of Geneva. Department of Botany and Plant Biology (Switzerland)) ;
Then, Christiane (Centre de Recerca en Agrigenòmica) ;
Alary, Benjamin (Centre de Recerca en Agrigenòmica) ;
Nogué, Fabien (Centre national de la recherche scientifique (França). Institut Jean-Pierre Bourgin) ;
Tsiantis, Miltos (Max Planck Institute from Plant Breeding Research. Department of Comparative Development and Genetics (Germany)) ;
Hothorn, Michael (University of Geneva. Department of Botany and Plant Biology (Switzerland)) ;
Martínez García, Jaime F. (Centre de Recerca en Agrigenòmica)
Shade caused by the proximity of neighboring vegetation triggers a set of acclimation responses to either avoid or tolerate shade. Comparative analyses between the shade-avoider Arabidopsis thaliana and the shade-tolerant Cardamine hirsuta revealed a role for the atypical basic-helix-loop-helix LONG HYPOCOTYL IN FR 1 (HFR1) in maintaining the shade tolerance in C. [...]
2021 - 10.15252/embj.2019104273
EMBO Journal, Vol. 40, Issue 1 (January 2021) , art. e104273
4 documents
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15 p, 565.4 KB |
A novel high-throughput in vivo molecular screen for shade avoidance mutants identifies a novel phyA mutation
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Wang, Xuewen (Royal Holloway University of London. School of Biological Sciences) ;
Roig Villanova, Irma (Centre de Recerca en Agrigenòmica) ;
Khan, Safina (Royal Holloway University of London. School of Biological Sciences) ;
Shanahan, Hugh (Royal Holloway University of London. Department of Computer Science) ;
Quail, Peter H. (UC Berkeley. Department of Plant and Microbial Biology) ;
Martínez García, Jaime F. (Centre de Recerca en Agrigenòmica) ;
Devlin, Paul F. (Royal Holloway University of London. School of Biological Sciences)
The shade avoidance syndrome (SAS) allows plants to anticipate and avoid shading by neighbouring plants by initiating an elongation growth response. The phytochrome photoreceptors are able to detect a reduction in the red:far red ratio in incident light, the result of selective absorption of red and blue wavelengths by proximal vegetation. [...]
2011 - 10.1093/jxb/err062
Journal of experimental botany, Vol. 62, Issue 8 (May 2011) , p. 2973-2987
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49 p, 1.8 MB |
Photoreceptor Activity Contributes to Contrasting Responses to Shade in Cardamine and Arabidopsis Seedlings
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Molina-Contreras, Maria José (Centre de Recerca en Agrigenòmica) ;
Paulišić, Sandi (Centre de Recerca en Agrigenòmica) ;
Then, Christiane (Centre de Recerca en Agrigenòmica) ;
Moreno Romero, Jordi (Centre de Recerca en Agrigenòmica) ;
Pastor Andreu, Pedro (Centre de Recerca en Agrigenòmica) ;
Morelli, Luca (Centre de Recerca en Agrigenòmica) ;
Roig Villanova, Irma (Centre de Recerca en Agrigenòmica) ;
Jenkins, Huw (University of Oxford) ;
Hallab, Asis (Max Planck Institute) ;
Gan, Xiangchao (Max Planck Institute) ;
Gómez-Cadenas, Aurelio (Universitat Jaume I) ;
Tsiantis, Miltos (Max Planck Institute) ;
Rodríguez Concepción, Manuel (Centre de Recerca en Agrigenòmica) ;
Martínez García, Jaime F. (Centre de Recerca en Agrigenòmica)
Plants have evolved two major ways to deal with nearby vegetation or shade: avoidance and tolerance. Moreover, some plants respond to shade in different ways; for example, Arabidopsis thaliana undergoes an avoidance response to shade produced by vegetation, but its close relative Cardamine hirsuta tolerates shade. [...]
2019 - 10.1105/tpc.19.00275
The Plant Cell, Vol. 31 (Nov. 2019) , p. 2649-2663
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33 p, 1.8 MB |
Chloroplasts modulate elongation responses to canopy shade by retrograde pathways involving HY5 and abscisic acid
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Ortiz-Alcaide, Miriam (Centre de Recerca en Agrigenòmica) ;
Llamas, Ernesto (Centre de Recerca en Agrigenòmica) ;
Gómez-Cadenas, Aurelio (Universitat Jaume I) ;
Nagatani, Akira (Kyoto University) ;
Martínez García, Jaime F. (Centre de Recerca en Agrigenòmica) ;
Rodríguez Concepción, Manuel (Centre de Recerca en Agrigenòmica)
Plants use light as energy for photosynthesis but also as a signal of competing vegetation. Using different concentrations of norflurazon and lincomycin, we found that the response to canopy shade in Arabidopsis (Arabidopsis thaliana) was repressed even when inhibitors only caused a modest reduction in the level of photosynthetic pigments. [...]
2019 - 10.1105/tpc.18.00617
The Plant Cell, Vol. 31, issue 2 (Feb. 2019) , p. 384-398
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11 p, 4.7 MB |
Plant proximity perception dynamically modulates hormone levels and sensitivity in Arabidopsis
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Bou Torrent, Jordi (Centre de Recerca en Agrigenòmica) ;
Galstyan, Anahit (Centre de Recerca en Agrigenòmica) ;
Gallemí, Marçal (Centre de Recerca en Agrigenòmica) ;
Cifuentes-Esquivel, Nicolás (Centre de Recerca en Agrigenòmica) ;
Molina-Contreras, Maria José (Centre de Recerca en Agrigenòmica) ;
Salla-Martret, Mercè (Centre de Recerca en Agrigenòmica) ;
Jikumaru, Yusuke (RIKEN Plant Science Center) ;
Yamaguchi, Shinjiro (RIKEN Plant Science Center) ;
Kamiya, Yuji (RIKEN Plant Science Center) ;
Martínez García, Jaime F. (Centre de Recerca en Agrigenòmica)
Shade perception involves altered hormone synthesis and sensitivity. Here, we showed that several shade regulators act as positive and negative modulators of the hypocotyl auxin and/or brassinosteroid-induced elongation. [...]
2014 - 10.1093/jxb/eru083
Journal of experimental botany, Vol. 65, no. 11 (2014) , p. 2937-2947
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