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Title

A shotgun proteomic approach reveals that fe deficiency causes marked changes in the protein profiles of plasma membrane and detergent-resistant microdomain preparations from beta vulgaris roots

AuthorsGutiérrez-Carbonell, Elain; Takahashi, Daisuke; Lüthje, Sabine; González-Reyes, José Antonio; Mongrand, Sébastien; Contreras-Moreira, Bruno ; Abadía Bayona, Anunciación ; Uemura, Matsuo; Abadía Bayona, Javier ; López-Millán, Ana Flor
KeywordsDetergent-resistant microdomain
Iron deficiency
Lipidomics
Plasma membrane
Proteomics
Sugar beet
Issue DateJun-2016
PublisherAmerican Chemical Society
CitationGutiérrez-Carbonell E, Takahashi D, Lüthje S, González-Reyes J, Mongrand S, Contreras-Moreira B, Abadía A, Uemura M, Abadía J, López-Millán AF. A shotgun proteomic approach reveals that fe deficiency causes marked changes in the protein profiles of plasma membrane and detergent-resistant microdomain preparations from beta vulgaris roots. Journal of Proteome Research 15 (8): 2510–2524 (2016)
AbstractIn the present study we have used label-free shotgun proteomic analysis to examine the effects of Fe deficiency on the protein profiles of highly pure sugar beet root plasma membrane (PM) preparations and detergent-resistant membranes (DRMs), the latter as an approach to study microdomains. Altogether, 545 proteins were detected, with 52 and 68 of them changing significantly with Fe deficiency in PM and DRM, respectively. Functional categorization of these proteins showed that signaling and general and vesicle-related transport accounted for approximately 50% of the differences in both PM and DRM, indicating that from a qualitative point of view changes induced by Fe deficiency are similar in both preparations. Results indicate that Fe deficiency has an impact in phosphorylation processes at the PM level and highlight the involvement of signaling proteins, especially those from the 14–3–3 family. Lipid profiling revealed Fe-deficiency-induced decreases in phosphatidic acid derivatives, which may impair vesicle formation, in agreement with the decreases measured in proteins related to intracellular trafficking and secretion. The modifications induced by Fe deficiency in the relative enrichment of proteins in DRMs revealed the existence of a group of cytoplasmic proteins that appears to be more attached to the PM in conditions of Fe deficiency.
Description15 Pags.- Tabls.- Figs.
Publisher version (URL)http://dx.doi.org/10.1021/acs.jproteome.6b00026
URIhttp://hdl.handle.net/10261/135719
DOI10.1021/acs.jproteome.6b00026
ISSN1535-3893
E-ISSN1535-3907
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