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Photosynthesis and chloroplast genes are involved in water-use efficiency in common bean.
Ruiz-Nieto, Jorge E; Aguirre-Mancilla, César L; Acosta-Gallegos, Jorge A; Raya-Pérez, Juan C; Piedra-Ibarra, Elías; Vázquez-Medrano, Josefina; Montero-Tavera, Victor.
Afiliação
  • Ruiz-Nieto JE; División de Estudios de Posgrado e Investigación, Instituto Tecnológico de Roque, Celaya C.P. 38110, Guanajuato, Mexico.
  • Aguirre-Mancilla CL; División de Estudios de Posgrado e Investigación, Instituto Tecnológico de Roque, Celaya C.P. 38110, Guanajuato, Mexico.
  • Acosta-Gallegos JA; Campo Experimental Bajío, Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias, Celaya C.P. 38110, Guanajuato, Mexico.
  • Raya-Pérez JC; División de Estudios de Posgrado e Investigación, Instituto Tecnológico de Roque, Celaya C.P. 38110, Guanajuato, Mexico.
  • Piedra-Ibarra E; Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Iztacala C.P. 54090, Estado de México, Mexico.
  • Vázquez-Medrano J; Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Iztacala C.P. 54090, Estado de México, Mexico.
  • Montero-Tavera V; Campo Experimental Bajío, Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias, Celaya C.P. 38110, Guanajuato, Mexico. Electronic address: montero.victor@inifap.gob.mx.
Plant Physiol Biochem ; 86: 166-173, 2015 Jan.
Article em En | MEDLINE | ID: mdl-25500453
A recent proposal to mitigate the effects of climatic change and reduce water consumption in agriculture is to develop cultivars with high water-use efficiency. The aims of this study were to characterize this trait as a differential response mechanism to water-limitation in two bean cultivars contrasting in their water stress tolerance, to isolate and identify gene fragments related to this response in a model cultivar, as well as to evaluate transcription levels of genes previously identified. Keeping CO2 assimilation through a high photosynthesis rate under limited conditions was the physiological response which allowed the cultivar model to maintain its growth and seed production with less water. Chloroplast genes stood out among identified genetic elements, which confirmed the importance of photosynthesis in such response. ndhK, rpoC2, rps19, rrn16, ycf1 and ycf2 genes were expressed only in response to limited water availability.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Fotossíntese / Água / Genes de Plantas / Genes de Cloroplastos / Fabaceae Idioma: En Revista: Plant Physiol Biochem Assunto da revista: BIOQUIMICA / BOTANICA Ano de publicação: 2015 Tipo de documento: Article País de afiliação: México País de publicação: França
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Fotossíntese / Água / Genes de Plantas / Genes de Cloroplastos / Fabaceae Idioma: En Revista: Plant Physiol Biochem Assunto da revista: BIOQUIMICA / BOTANICA Ano de publicação: 2015 Tipo de documento: Article País de afiliação: México País de publicação: França