Large scale phosphoprotein profiling to explore Drosophila cold acclimation regulatory mechanisms

Abstract The regulatory mechanisms involved in the acquisition of thermal tolerance are unknown in insects. Reversible phosphorylation is a widespread post-translational modification that can rapidly alter proteins function(s). Here, we conducted a large-scale comparative screening of phosphorylatio...

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Autores principales: Hervé Colinet, Charles Pineau, Emmanuelle Com
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Publicado: Nature Portfolio 2017
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Acceso en línea:https://doaj.org/article/a02e1e4d098845c4af39c6a52d37bb89
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spelling oai:doaj.org-article:a02e1e4d098845c4af39c6a52d37bb892021-12-02T16:06:10ZLarge scale phosphoprotein profiling to explore Drosophila cold acclimation regulatory mechanisms10.1038/s41598-017-01974-z2045-2322https://doaj.org/article/a02e1e4d098845c4af39c6a52d37bb892017-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-01974-zhttps://doaj.org/toc/2045-2322Abstract The regulatory mechanisms involved in the acquisition of thermal tolerance are unknown in insects. Reversible phosphorylation is a widespread post-translational modification that can rapidly alter proteins function(s). Here, we conducted a large-scale comparative screening of phosphorylation networks in adult Drosophila flies that were cold-acclimated versus control. Using a modified SIMAC method followed by a multiple MS analysis strategy, we identified a large collection of phosphopeptides (about 1600) and phosphoproteins (about 500) in both groups, with good enrichment efficacy (80%). The saturation curves from the four biological replicates revealed that the phosphoproteome was rather well covered under our experimental conditions. Acclimation evoked a strong phosphoproteomic signal characterized by large sets of unique and differential phosphoproteins. These were involved in several major GO superclusters of which cytoskeleton organization, positive regulation of transport, cell cycle, and RNA processing were particularly enriched. Data suggest that phosphoproteomic changes in response to acclimation were mainly localized within cytoskeletal network, and particularly within microtubule associated complexes. This study opens up novel research avenues for exploring the complex regulatory networks that lead to acquired thermal tolerance.Hervé ColinetCharles PineauEmmanuelle ComNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-12 (2017)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Hervé Colinet
Charles Pineau
Emmanuelle Com
Large scale phosphoprotein profiling to explore Drosophila cold acclimation regulatory mechanisms
description Abstract The regulatory mechanisms involved in the acquisition of thermal tolerance are unknown in insects. Reversible phosphorylation is a widespread post-translational modification that can rapidly alter proteins function(s). Here, we conducted a large-scale comparative screening of phosphorylation networks in adult Drosophila flies that were cold-acclimated versus control. Using a modified SIMAC method followed by a multiple MS analysis strategy, we identified a large collection of phosphopeptides (about 1600) and phosphoproteins (about 500) in both groups, with good enrichment efficacy (80%). The saturation curves from the four biological replicates revealed that the phosphoproteome was rather well covered under our experimental conditions. Acclimation evoked a strong phosphoproteomic signal characterized by large sets of unique and differential phosphoproteins. These were involved in several major GO superclusters of which cytoskeleton organization, positive regulation of transport, cell cycle, and RNA processing were particularly enriched. Data suggest that phosphoproteomic changes in response to acclimation were mainly localized within cytoskeletal network, and particularly within microtubule associated complexes. This study opens up novel research avenues for exploring the complex regulatory networks that lead to acquired thermal tolerance.
format article
author Hervé Colinet
Charles Pineau
Emmanuelle Com
author_facet Hervé Colinet
Charles Pineau
Emmanuelle Com
author_sort Hervé Colinet
title Large scale phosphoprotein profiling to explore Drosophila cold acclimation regulatory mechanisms
title_short Large scale phosphoprotein profiling to explore Drosophila cold acclimation regulatory mechanisms
title_full Large scale phosphoprotein profiling to explore Drosophila cold acclimation regulatory mechanisms
title_fullStr Large scale phosphoprotein profiling to explore Drosophila cold acclimation regulatory mechanisms
title_full_unstemmed Large scale phosphoprotein profiling to explore Drosophila cold acclimation regulatory mechanisms
title_sort large scale phosphoprotein profiling to explore drosophila cold acclimation regulatory mechanisms
publisher Nature Portfolio
publishDate 2017
url https://doaj.org/article/a02e1e4d098845c4af39c6a52d37bb89
work_keys_str_mv AT hervecolinet largescalephosphoproteinprofilingtoexploredrosophilacoldacclimationregulatorymechanisms
AT charlespineau largescalephosphoproteinprofilingtoexploredrosophilacoldacclimationregulatorymechanisms
AT emmanuellecom largescalephosphoproteinprofilingtoexploredrosophilacoldacclimationregulatorymechanisms
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