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dc.contributor.author
Urtasun, Nicolás  
dc.contributor.author
Correa Garcia, Susana Raquel  
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Iusem, Norberto Daniel  
dc.contributor.author
Bermudez Moretti, Mariana  
dc.date.available
2017-03-22T22:13:48Z  
dc.date.issued
2010-05  
dc.identifier.citation
Urtasun, Nicolás; Correa Garcia, Susana Raquel; Iusem, Norberto Daniel; Bermudez Moretti, Mariana; Predominantly cytoplasmic localization in yeast ASR1, a non-receptor transcription factor from plants; Bentham Science Publishers; The Open Biochemistry Journal; 4; 5-2010; 68-71  
dc.identifier.issn
1874-091X  
dc.identifier.uri
http://hdl.handle.net/11336/14226  
dc.description.abstract
The Asr gene family (named after abscisic acid, stress and ripening), currently classified as a novel group of the LEA superfamily, is exclusively present in the genomes of seed plants, except for the Brassicaceae family. It is associated with water-deficit stress and is involved in adaptation to dry climates. Motivated by separate reports depicting ASR proteins as either transcription factors or chaperones, we decided to determine the intracellular localization of ASR proteins. For that purpose, we employed an in vivo eukaryotic expression system, the heterologous model Saccharomyces cerevisiae, including wild type strains as well as mutants in which the variant ASR1 previously proved to be functionally protective against osmotic stress. Our methodology involved immunofluorescence-based confocal microscopy, without artificially altering the native structure of the protein under study. Results show that, in both normal and osmotic stress conditions, recombinant ASR1 turned out to localize mainly to the cytoplasm, irrespective of the genotype used, revealing a scattered distribution in the form of dots or granules. The results are discussed in terms of a plausible dual (cytoplasmic and nuclear) role of ASR proteins.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
Bentham Science Publishers  
dc.rights
info:eu-repo/semantics/openAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc/2.5/ar/  
dc.subject
Asr Proteins  
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Water Stress  
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Intracellular Localization  
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Saccharomyces Cerevisiae  
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Confocal Microscopy  
dc.subject.classification
Biología Celular, Microbiología  
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Ciencias Biológicas  
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CIENCIAS NATURALES Y EXACTAS  
dc.title
Predominantly cytoplasmic localization in yeast ASR1, a non-receptor transcription factor from plants  
dc.type
info:eu-repo/semantics/article  
dc.type
info:ar-repo/semantics/artículo  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.date.updated
2017-03-21T20:12:59Z  
dc.journal.volume
4  
dc.journal.pagination
68-71  
dc.journal.pais
Emiratos Árabes Unidos  
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Sharjah  
dc.description.fil
Fil: Urtasun, Nicolás. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Biológica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina  
dc.description.fil
Fil: Correa Garcia, Susana Raquel. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Biológica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina  
dc.description.fil
Fil: Iusem, Norberto Daniel. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Fisiología, Biología Molecular y Celular; Argentina. Consejo Nacional de Investigaciones Cientificas y Tecnicas. Oficina de Coordinacion Administrativa Ciudad Universitaria. Instituto de Fisiologia, Biologia Molecular y Neurocienciasuniversidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Fisiologia, Biologia Molecular y Neurociencias; Argentina  
dc.description.fil
Fil: Bermudez Moretti, Mariana. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Biológica; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina  
dc.journal.title
The Open Biochemistry Journal  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://benthamopen.com/ABSTRACT/TOBIOCJ-4-68  
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info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.2174/1874091X01004010068  
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2908927/