Dataset Information

Broad substrate-specific phosphorylation events associated with the initial stage of plant cell wall recognition in Neurospora crassa

ABSTRACT: Global proteomics and phospho proteomics data from Fungi degrading six different food sources (1 mM D-GalA + 1 mM L-Rha; 2 mM D-Glc; 2 mM D-Xyl; 0.5% cellobiose; 1 mM glucomannodextrins; no carbon) with 4 replicates.

INSTRUMENT(S): Q Exactive

ORGANISM(S): Neurospora Crassa

TISSUE(S): Fungus

SUBMITTER: Matthew Monroe

LAB HEAD: Kristin E. Burnum-Johnson

PROVIDER: PXD013964 | Pride | 2020-01-09

REPOSITORIES: Pride

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Dataset's files

Source:

			Action	DRS
	Benz_Ncrassa_A_01_01_1_QE_02May17_Frodo_16-11-08.mgf	Mgf
	Benz_Ncrassa_A_01_01_1_QE_02May17_Frodo_16-11-08.pride.mgf.gz	Mgf
	Benz_Ncrassa_A_01_01_1_QE_02May17_Frodo_16-11-08.raw	Raw
	Benz_Ncrassa_A_01_01_1_QE_02May17_Frodo_16-11-08_msgfplus.mzid.gz	Mzid
	Benz_Ncrassa_A_01_01_1_QE_02May17_Frodo_16-11-08_msgfplus.pride.mztab.gz	Mztab

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Publications

Broad Substrate-Specific Phosphorylation Events Are Associated With the Initial Stage of Plant Cell Wall Recognition in <i>Neurospora crassa</i>.

Horta Maria Augusta C MAC Thieme Nils N Gao Yuqian Y Burnum-Johnson Kristin E KE Nicora Carrie D CD Gritsenko Marina A MA Lipton Mary S MS Mohanraj Karthikeyan K de Assis Leandro José LJ Lin Liangcai L Tian Chaoguang C Braus Gerhard H GH Borkovich Katherine A KA Schmoll Monika M Larrondo Luis F LF Samal Areejit A Goldman Gustavo H GH Benz J Philipp JP

Frontiers in microbiology 20191101

Fungal plant cell wall degradation processes are governed by complex regulatory mechanisms, allowing the organisms to adapt their metabolic program with high specificity to the available substrates. While the uptake of representative plant cell wall mono- and disaccharides is known to induce specific transcriptional and translational responses, the processes related to early signal reception and transduction remain largely unknown. A fast and reversible way of signal transmission are post-transl ...[more]

PMID: 31736884

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Project description:Fungal plant cell wall degradation processes are governed by complex regulatory mechanisms, allowing the organisms to adapt their metabolic program with high specificity to the available substrates. While the uptake of representative plant cell wall mono- and disaccharides is known to induce specific transcriptional and translational responses, the processes related to early signal reception and transduction remain largely unknown. A fast and reversible way of signal transmission are post-translational protein modifications, such as phosphorylations, which could initiate rapid adaptations of the fungal metabolism to a new condition. To elucidate how changes in the initial substrate recognition phase of Neurospora crassa affect the global phosphorylation pattern, phospho-proteomics was performed after a short (2 min) induction period with several plant cell wall-related mono- and disaccharides. The MS/MS-based peptide analysis revealed large-scale substrate-specific protein phosphorylation and de-phosphorylations. Using the proteins identified by MS/MS, a protein-protein-interaction (PPI) network was constructed. The variance in phosphorylation of a large number of kinases, phosphatases and transcription factors indicate the participation of many known signaling pathways, including circadian responses, two-component regulatory systems, MAP kinases as well as the cAMP-dependent and heterotrimeric G-protein pathways. Adenylate cyclase, a key component of the cAMP pathway, was identified as a potential hub for carbon source-specific differential protein interactions. In addition, four phosphorylated F-Box proteins were identified, two of which, Fbx-19 and Fbx-22, were found to be involved in carbon catabolite repression responses. Overall, these results provide unprecedented and detailed insights into a so far less well known stage of the fungal response to environmental cues and allow to better elucidate the molecular mechanisms of sensory perception and signal transduction during plant cell wall degradation.