Proteomic analysis of shoot-borne root initiation in maize (Zea mays L.)

Proteomics
Michaela SauerFrank Hochholdinger

Abstract

Postembryonically formed shoot-borne roots make up the major backbone of the adult maize root stock. In this study the abundant soluble proteins of the first node (coleoptilar node) of wild-type and mutant rtcs seedlings, which do not initiate crown roots, were compared at two early stages of crown root formation. In Coomassie Bluestained 2-D gels, representing soluble proteins of coleoptilar nodes 5 and 10 days after germination, 146 and 203 proteins were detected, respectively. Five differentially accumulated proteins (> two-fold change; t-test: 95% significance) were identified in 5-day-old and 14 differentially accumulated proteins in 10-day-old coleoptilar nodes of wild-type versus rtcs. All 19 differentially accumulated proteins were identified via ESI MS/MS mass spectrometry. Five differentially accumulated proteins, including a regulatory G-protein and a putative auxin-binding protein, were further analyzed at the RNA expression level. These experiments confirmed differential gene expression and revealed subtle developmental regulation of these genes during early coleoptilar node development. This study represents the first proteomic analysis of shoot-borne root initiation in cereals and will contribute to a better unde...Continue Reading

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Citations

Aug 29, 2006·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Katrin WollFrank Hochholdinger
Jun 16, 2009·TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik·Anja PascholdFrank Hochholdinger
Nov 6, 2010·Planta·Ying-Dong BiBai-Chen Wang
May 2, 2012·Journal of Proteome Research·Pedro E Lázaro-MixtecoTzvetanka D Dinkova
Sep 4, 2007·Plant Physiology·Diana DembinskyFrank Hochholdinger
Jul 12, 2013·Plant Physiology·Nils MuthreichFrank Hochholdinger
Dec 21, 2006·Annual Review of Plant Biology·Karen S OsmontChristian S Hardtke
Dec 8, 2009·European Journal of Cell Biology·Nils MuthreichFrank Hochholdinger
Jan 23, 2009·Current Opinion in Plant Biology·Frank Hochholdinger, Roberto Tuberosa
Jan 2, 2009·Current Opinion in Plant Biology·Anjali Iyer-PascuzziPhilip N Benfey
Jul 27, 2007·Proteomics·Jesús V JorrínMa Angeles Castillejo
Jul 20, 2007·Proteomics·Ghasem Hosseini Salekdeh, Setsuko Komatsu
Dec 1, 2012·Proteomics·Olga PechanovaTibor Pechan
Feb 26, 2015·Plant Science : an International Journal of Experimental Plant Biology·Shanshan WeiShuting Dong
Apr 22, 2016·Plant Physiology and Biochemistry : PPB·Shanshan WeiShuting Dong
Jun 21, 2006·Proteomics·Frank HochholdingerYan Liu
Oct 21, 2017·Brain : a Journal of Neurology·Julia C FitzgeraldRejko Krüger
Jun 5, 2008·Molecular Biology Reports·Zhanji LiuJiansheng Li
Mar 21, 2018·Frontiers in Plant Science·Frank HochholdingerFelix P Frey
Apr 5, 2014·Molecular Biology Reports·Ling-Bo MengBai-Chen Wang
Oct 27, 2010·Journal of Proteome Research·Caroline MarconFrank Hochholdinger

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