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Abstract:

Protein phosphorylation/dephosphorylation plays critical roles in stress responses in plants. This report presents a comparative characterization of the serine/threonine PP2A catalytic subunit family in Solanum tuberosum (potato) and S. lycopersicum (tomato), two important food crops of the Solanaceae family, based on the sequence analysis and expression profiles in response to environmental stress. Sequence homology analysis revealed six isoforms in potato and five in tomato clustered into two subfamilies (I and II). The data presented in this work show that the expression of different PP2Ac genes is regulated in response to environmental stresses in potato and tomato plants and suggest that, in general, mainly members of the subfamily I are involved in stress responses in both species. However, the differences found in the expression profiles between potato and tomato suggest divergent roles of PP2A in the plant defense mechanisms against stress in these closely related species. © 2009 Springer-Verlag.

Registro:

Documento: Artículo
Título:Characterization of potato (Solanum tuberosum) and tomato (Solanum lycopersicum) protein phosphatases type 2A catalytic subunits and their involvement in stress responses
Autor:País, S.M.; González, M.A.; Téllez-Iñón, M.T.; Capiati, D.A.
Filiación:Instituto de Investigaciones en Ingeniería Genética y Biología Molecular, Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad de Buenos Aires, Vuelta de Obligado 2490 2o piso, Ciudad de Buenos Aires 1428, Argentina
Palabras clave:PP2A; Solanum lycopersicum; Solanum tuberosum; Stress; phosphoprotein phosphatase 2; sodium chloride; vegetable protein; article; classification; cold; drug effect; enzyme active site; enzymology; gene expression regulation; genetics; mechanical stress; metabolism; molecular genetics; Northern blotting; nucleotide sequence; phylogeny; potato; reverse transcription polymerase chain reaction; time; tomato; Western blotting; Base Sequence; Blotting, Northern; Blotting, Western; Catalytic Domain; Cold Temperature; Gene Expression Regulation, Enzymologic; Gene Expression Regulation, Plant; Lycopersicon esculentum; Molecular Sequence Data; Phylogeny; Plant Proteins; Protein Phosphatase 2; Reverse Transcriptase Polymerase Chain Reaction; Sodium Chloride; Solanum tuberosum; Stress, Mechanical; Time Factors; Lycopersicon; Lycopersicon esculentum; Magnoliophyta; Solanaceae; Solanum; Solanum tuberosum
Año:2009
Volumen:230
Número:1
Página de inicio:13
Página de fin:25
DOI: http://dx.doi.org/10.1007/s00425-009-0923-5
Título revista:Planta
Título revista abreviado:Planta
ISSN:00320935
CODEN:PLANA
CAS:sodium chloride, 7647-14-5; Plant Proteins; Protein Phosphatase 2, 3.1.3.16; Sodium Chloride, 7647-14-5
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00320935_v230_n1_p13_Pais

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Citas:

---------- APA ----------
País, S.M., González, M.A., Téllez-Iñón, M.T. & Capiati, D.A. (2009) . Characterization of potato (Solanum tuberosum) and tomato (Solanum lycopersicum) protein phosphatases type 2A catalytic subunits and their involvement in stress responses. Planta, 230(1), 13-25.
http://dx.doi.org/10.1007/s00425-009-0923-5
---------- CHICAGO ----------
País, S.M., González, M.A., Téllez-Iñón, M.T., Capiati, D.A. "Characterization of potato (Solanum tuberosum) and tomato (Solanum lycopersicum) protein phosphatases type 2A catalytic subunits and their involvement in stress responses" . Planta 230, no. 1 (2009) : 13-25.
http://dx.doi.org/10.1007/s00425-009-0923-5
---------- MLA ----------
País, S.M., González, M.A., Téllez-Iñón, M.T., Capiati, D.A. "Characterization of potato (Solanum tuberosum) and tomato (Solanum lycopersicum) protein phosphatases type 2A catalytic subunits and their involvement in stress responses" . Planta, vol. 230, no. 1, 2009, pp. 13-25.
http://dx.doi.org/10.1007/s00425-009-0923-5
---------- VANCOUVER ----------
País, S.M., González, M.A., Téllez-Iñón, M.T., Capiati, D.A. Characterization of potato (Solanum tuberosum) and tomato (Solanum lycopersicum) protein phosphatases type 2A catalytic subunits and their involvement in stress responses. Planta. 2009;230(1):13-25.
http://dx.doi.org/10.1007/s00425-009-0923-5