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A method for the isolation of root hairs from the model legume Medicago truncatula

AuthorsRamos Escribano, Javier ; Bisseling, Ton
KeywordsGreen fluorescent protein (GFP)
Medicago truncatula
PR10 defence protein
Root hairs
Issue Date1-Oct-2003
PublisherOxford University Press
CitationJournal of Experimental Botany, Vol. 54, No. 391, pp. 2245-2250, October 1, 2003
AbstractA new method for the isolation of root hairs from the model legume, Medicago truncatula, was developed. The procedure involves the propagation of detached roots on agar plates and the collection of root hairs by immersion in liquid nitrogen. Yields of up to 40 µg of root hair protein were obtained from 50–100 root tips grown for 3 weeks on a single plate. The high purity of the root hair fraction was monitored by western blot analysis using an antibody to the pea epidermis specific protein PsRH2. Sequence analyses revealed that the protein homologous to PsRH2 in M. truncatula, MtRH2, is identical to the root protein MtPR10-1. The MtRH2 protein proved to be a useful endogenous marker to monitor root hair isolation since it is also specifically expressed in the root epidermis.
DescriptionThe final version is available at: http://jxb.oxfordjournals.org/cgi/reprint/54/391/2245
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