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Differential expression of the TFIIIA regulatory pathway in response to salt stress between Medicago truncatula genotypes

Opened Access Differential expression of the TFIIIA regulatory pathway in response to salt stress between Medicago truncatula genotypes

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Autor: Lorenzo Barrios, Laura de
Merchán Ignacio, Francisco
Blanchet, Sandrine
Megías Guijo, Manuel
Frugier, Florian
Crespi, Martín D.
Sousa Martín, Carolina
Departamento: Universidad de Sevilla. Departamento de Microbiología y Parasitología
Fecha: 2007
Publicado en: Plant Physiology, 145 (4), 1521-1532.
Tipo de documento: Artículo
Resumen: Soil salinity is one of the most significant abiotic stresses for crop plants, including legumes. These plants can establish root symbioses with nitrogen-fixing soil bacteria and are able to grow in nitrogen-poor soils. Medicago truncatula varieties show diverse adaptive responses to environmental conditions, such as saline soils. We have compared the differential root growth of two genotypes of M. truncatula (108-R and Jemalong A17) in response to salt stress. Jemalong A17 is more tolerant to salt stress than 108-R, regarding both root and nodulation responses independently of the nitrogen status of the media. A dedicated macroarray containing 384 genes linked to stress responses was used to compare root gene expression during salt stress in these genotypes. Several genes potentially associated with the contrasting cellular responses of these plants to salt stress were identified as expressed in the more tolerant genotype even in the absence of stress. Among them, a homolog of the ab...
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Cita: Lorenzo Barrios, L.d., Merchán Ignacio, F., Blanchet, S., Megías Guijo, M., Frugier, F., Crespi, M.D. y Sousa Martín, C. (2007). Differential expression of the TFIIIA regulatory pathway in response to salt stress between Medicago truncatula genotypes. Plant Physiology, 145 (4), 1521-1532.
Tamaño: 680.8Kb
Formato: PDF

URI: https://hdl.handle.net/11441/79839

DOI: 10.1104/pp.107.106146

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