Show simple item record

dc.contributor.author Rutitzky, Mariana
dc.contributor.author Ghiglione, Hernán O.
dc.contributor.author Curá, José Alfredo
dc.contributor.author Casal, Jorge José
dc.contributor.author Yanovsky, Marcelo Javier
dc.date.available 2017-11-15T20:41:36Z
dc.date.issued 2009-02
dc.identifier.citation Rutitzky, Mariana; Ghiglione, Hernán O.; Curá, José Alfredo; Casal, Jorge José; Yanovsky, Marcelo Javier; Comparative genomic analysis of light-regulated transcripts in the Solanaceae; BioMed Central; BMC Genomics; 10; 2-2009; 1-14
dc.identifier.issn 1471-2164
dc.identifier.uri http://hdl.handle.net/11336/28295
dc.description.abstract BACKGROUND: Plants use different light signals to adjust their growth and development to the prevailing environmental conditions. Studies in the model species Arabidopsis thaliana and rice indicate that these adjustments are mediated by large changes in the transcriptome. Here we compared transcriptional responses to light in different species of the Solanaceae to investigate common as well as species-specific changes in gene expression. RESULTS: cDNA microarrays were used to identify genes regulated by a transition from long days (LD) to short days (SD) in the leaves of potato and tobacco plants, and by phytochrome B (phyB), the photoreceptor that represses tuberization under LD in potato. We also compared transcriptional responses to photoperiod in Nicotiana tabacum Maryland Mammoth (MM), which flowers only under SD, with those of Nicotiana sylvestris, which flowers only under LD conditions. Finally, we identified genes regulated by red compared to far-red light treatments that promote germination in tomato. CONCLUSION: Most of the genes up-regulated in LD were associated with photosynthesis, the synthesis of protective pigments and the maintenance of redox homeostasis, probably contributing to the acclimatization to seasonal changes in irradiance. Some of the photoperiodically regulated genes were the same in potato and tobacco. Others were different but belonged to similar functional categories, suggesting that conserved as well as convergent evolutionary processes are responsible for physiological adjustments to seasonal changes in the Solanaceae. A beta-ZIP transcription factor whose expression correlated with the floral transition in Nicotiana species with contrasting photoperiodic responses was also regulated by photoperiod and phyB in potato, and is a candidate gene to act as a general regulator of photoperiodic responses. Finally, GIGANTEA, a gene that controls flowering time in Arabidopsis thaliana and rice, was regulated by photoperiod in the leaves of potato and tobacco and by red compared to far-light treatments that promote germination in tomato seeds, suggesting that a conserved light signaling cascade acts across developmental contexts and species
dc.format application/pdf
dc.language.iso eng
dc.publisher BioMed Central
dc.rights info:eu-repo/semantics/openAccess
dc.rights.uri https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject transcriptome
dc.subject Solanacea
dc.subject potato
dc.subject tomato
dc.subject.classification Otras Ciencias Biológicas
dc.subject.classification Ciencias Biológicas
dc.subject.classification CIENCIAS NATURALES Y EXACTAS
dc.title Comparative genomic analysis of light-regulated transcripts in the Solanaceae
dc.type info:eu-repo/semantics/article
dc.type info:ar-repo/semantics/artículo
dc.type info:eu-repo/semantics/publishedVersion
dc.date.updated 2017-09-29T16:44:47Z
dc.identifier.eissn 1471-2164
dc.journal.volume 10
dc.journal.pagination 1-14
dc.journal.pais Reino Unido
dc.journal.ciudad London
dc.description.fil Fil: Rutitzky, Mariana. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura; Argentina
dc.description.fil Fil: Ghiglione, Hernán O.. Universidad de Buenos Aires. Facultad de Agronomía; Argentina
dc.description.fil Fil: Curá, José Alfredo. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones en Biociencias Agrícolas y Ambientales. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones en Biociencias Agrícolas y Ambientales; Argentina
dc.description.fil Fil: Casal, Jorge José. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura; Argentina
dc.description.fil Fil: Yanovsky, Marcelo Javier. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura; Argentina
dc.journal.title BMC Genomics
dc.relation.alternativeid info:eu-repo/semantics/altIdentifier/url/https://bmcgenomics.biomedcentral.com/articles/10.1186/1471-2164-10-60
dc.relation.alternativeid info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1186/1471-2164-10-60


Archivos asociados

This item appears in the following Collection(s)

Show simple item record

info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)