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Background: Identifying the target genes of transcription factors is important for unraveling regulatory networks in all types of organisms. Our interest was precisely to uncover the spectrum of loci regulated by a widespread plant transcription factor involved in physiological adaptation to drought, a type of stress that plants have encountered since the colonization of land habitats 400 MYA. The regulator under study, named ASR1, is exclusive to the
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dc.contributor.author | Ricardi, Martiniano María | |
dc.contributor.author | González, Rodrigo Matías | |
dc.contributor.author | Silin, Zhong | |
dc.contributor.author | Dominguez, Pia Guadalupe | |
dc.contributor.author | Duffy, Tomas | |
dc.contributor.author | Turjanski, Pablo Guillermo | |
dc.contributor.author | Salgado Salter, Juan David | |
dc.contributor.author | Alleva, Karina Edith | |
dc.contributor.author | Carrari, Fernando | |
dc.contributor.author | Giovannoni, James J. | |
dc.contributor.author | Estevez, Jose Manuel | |
dc.contributor.author | Iusem, Norberto Daniel | |
dc.date.accessioned | 2019-01-18T11:42:26Z | |
dc.date.available | 2019-01-18T11:42:26Z | |
dc.date.issued | 2014-01 | |
dc.identifier.issn | 1471-2229 | |
dc.identifier.other | https://doi.org/10.1186/1471-2229-14-29 | |
dc.identifier.uri | https://bmcplantbiol.biomedcentral.com/articles/10.1186/1471-2229-14-29 | |
dc.identifier.uri | http://hdl.handle.net/20.500.12123/4290 | |
dc.description.abstract | Background: Identifying the target genes of transcription factors is important for unraveling regulatory networks in all types of organisms. Our interest was precisely to uncover the spectrum of loci regulated by a widespread plant transcription factor involved in physiological adaptation to drought, a type of stress that plants have encountered since the colonization of land habitats 400 MYA. The regulator under study, named ASR1, is exclusive to the plant kingdom (albeit absent in Arabidopsis) and known to alleviate the stress caused by restricted water availability. As its target genes are still unknown despite the original cloning of Asr1 cDNA 20 years ago, we examined the tomato genome for specific loci interacting in vivo with this conspicuous protein. Results: We performed ChIP followed by high throughput DNA sequencing (ChIP-seq) on leaves from stressed tomato plants, using a high-quality anti-ASR1 antibody. In this way, we unraveled a novel repertoire of target genes, some of which are clearly involved in the response to drought stress. Many of the ASR1-enriched genomic loci we found encode enzymes involved in cell wall synthesis and remodeling as well as channels implicated in water and solute flux, such as aquaporins. In addition, we were able to determine a robust consensus ASR1-binding DNA motif. Conclusions: The finding of cell wall synthesis and aquaporin genes as targets of ASR1 is consistent with their suggested role in the physiological adaptation of plants to water loss. The results gain insight into the environmental stress-sensing pathways leading to plant tolerance of drought. | eng |
dc.format | application/pdf | es_AR |
dc.language.iso | eng | es_AR |
dc.publisher | BMC | es_AR |
dc.rights | info:eu-repo/semantics/openAccess | es_AR |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-sa/4.0/ | |
dc.source | BMC Plant Biology 14 : 29 (2014) | es_AR |
dc.subject | Tomate | es_AR |
dc.subject | Tomatoes | eng |
dc.subject | Genética | es_AR |
dc.subject | Genetics | eng |
dc.subject | Genomas | es_AR |
dc.subject | Genomes | eng |
dc.subject | Pared Celular | es_AR |
dc.subject | Cell Walls | eng |
dc.subject | Estrés de Sequia | es_AR |
dc.subject | Drought Stress | eng |
dc.subject | Resistencia a la Sequía | |
dc.subject | Drought Resistance | eng |
dc.title | Genome-wide data (ChIP-seq) enabled identification of cell wall-related and aquaporin genes as targets of tomato ASR1, a drought stress-responsive transcription factor | es_AR |
dc.type | info:ar-repo/semantics/artículo | es_AR |
dc.type | info:eu-repo/semantics/article | es_AR |
dc.type | info:eu-repo/semantics/publishedVersion | es_AR |
dc.rights.license | Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) | |
dc.description.origen | Instituto de Biotecnología | es_AR |
dc.description.fil | Fil: Ricardi, Martiniano María. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Fisiología, Biología Molecular y Neurociencias. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Fisiología, Biología Molecular y Neurociencias; Argentina | es_AR |
dc.description.fil | Fil: González, Rodrigo Matías. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Fisiología, Biología Molecular y Neurociencias. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Fisiología, Biología Molecular y Neurociencias; Argentina | es_AR |
dc.description.fil | Fil: Silin, Zhong. Cornell University. Boyce Thompson Institute For Plant Research; Estados Unidos | es_AR |
dc.description.fil | Fil: Dominguez, Pia Guadalupe. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Biotecnología; Argentina | es_AR |
dc.description.fil | Fil: Duffy, Tomás. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Biotecnología; Argentina | es_AR |
dc.description.fil | Fil: Turjanski, Pablo Guillermo. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Computación; Argentina | es_AR |
dc.description.fil | Fil: Salgado Salter, Juan David. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Fisiología, Biología Molecular y Neurociencias. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Fisiología, Biología Molecular y Neurociencias; Argentina | es_AR |
dc.description.fil | Fil: Alleva, Karina Edith. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Biodiversidad y Biología Experimental y Aplicada. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Biodiversidad y Biología Experimental y Aplicada; Argentina | es_AR |
dc.description.fil | Fil: Carrari, Fernando Oscar. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Biotecnología; Argentina | es_AR |
dc.description.fil | Fil: Giovannoni, James J. Cornell University. Department of Plant Biology; Estados Unidos | es_AR |
dc.description.fil | Fil: Estevez, Jose Manuel. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Fisiología, Biología Molecular y Neurociencias. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Fisiología, Biología Molecular y Neurociencias; Argentina | es_AR |
dc.description.fil | Fil: Iusem, Norberto Daniel. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Fisiología, Biología Molecular y Neurociencias. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Fisiología, Biología Molecular y Neurociencias; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Fisiología, Biología Molecular y Celular; Argentina | es_AR |
dc.subtype | cientifico |
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