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A cytokinin receptor homologue is induced during root nodule organogenesis and senescence in Lupinus albus L.

AuthorsCoba de la Peña, Teodoro ; Cárcamo, Claudia B.; Almonacid, Luis; Zaballos, Ángel; Lucas, M. Mercedes ; Balomenos, Dimitrios ; Pueyo, José Javier
KeywordsCytokinin receptor
Histidine Kinase
Signal transduction
Issue Date26-Oct-2008
CitationPlant Physiology and Biochemistry 46(2): 219-225 (2008)
AbstractHere we report the isolation of a new cytokinin receptor homologue, LaHK1, from lupin (Lupinus albus) root nodules. LaHK1 transcript accumulation was detected in different plant organs, and expression was analyzed throughout nodule development. We observed notably higher expression in nodule primordia and young nodules compared to the root or to mature nodules. We also detected elevated transcript accumulation in naturally senescent nodules and in senescent nodules subjected to foliar dark stress. The results could be an indication of a putative role of this cytokinin receptor homologue in nodule development, from morphogenesis through senescence.
Description6 pages
Publisher version (URL)http://dx.doi.org/10.1016/j.plaphy.2007.10.021
Appears in Collections:(IRN) Artículos
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