English   español  
Por favor, use este identificador para citar o enlazar a este item: http://hdl.handle.net/10261/118063
COMPARTIR / IMPACTO:
Estadísticas
logo share SHARE logo core CORE   Add this article to your Mendeley library MendeleyBASE

Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL
Exportar a otros formatos:
Título

Engineering photoassimilate partitioning in tobacco plants improves growth and productivity and provides pathogen resistance

AutorMurillo, Isabel; Roca, Ramón; Bortolotti, Cristina; San Segundo, Blanca
Palabras clavePathogenesis-related
Pathogen
Sucrose
PRms
Nicotiana tabacum
Plasmodesmata
Fecha de publicación2003
EditorBlackwell Publishing
CitaciónPlant Journal 36(3): 330-341 (2003)
ResumenExpression of pathogenesis-related (PR) genes is part of the plant's natural defense response against pathogen attack. To study the in vivo role and function of the maize PRms protein, tobacco plants were transformed with the PRms cDNA under the control of the CaMV35S promoter. Transgenic tobacco plants grow faster and yield more leaf and seed biomass. By using immunoelectron microscopy, we found that PRms is associated with plasmodesmata in leaves of transgenic tobacco plants. Furthermore, we found that activation of sucrose efflux from photosynthetically active leaves and accumulation of higher levels of sucrose in leaf tissues are characteristic features of PRms tobacco plants. This, in turn, results in the constitutive expression of endogenous tobacco PR genes and resistance to phytopathogens. The expression of multiple plant defense genes can then be achieved by using a single transgene. These data provide a new approach for engineering disease-resistant plants while simultaneously improving plant yield and productivity through the modification of photoassimilate partitioning.
URIhttp://hdl.handle.net/10261/118063
DOI10.1046/j.1365-313X.2003.01880.x
Identificadoresdoi: 10.1046/j.1365-313X.2003.01880.x
issn: 0960-7412
Aparece en las colecciones: (CID) Artículos
(IBMB) Artículos
Ficheros en este ítem:
Fichero Descripción Tamaño Formato  
accesoRestringido.pdf15,38 kBAdobe PDFVista previa
Visualizar/Abrir
Mostrar el registro completo
 

Artículos relacionados:


NOTA: Los ítems de Digital.CSIC están protegidos por copyright, con todos los derechos reservados, a menos que se indique lo contrario.