Proteomics

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Metabolic reconstruction of lipid metabolism of Malassezia


ABSTRACT: Malassezia species are lipophilic and lipid dependent yeasts belonging to the human and animal microbiota. Typically, they are isolated from regions rich in sebaceous glands. They have been associated with dermatological diseases such as seborrheic dermatitis, tinea versicolor, atopic dermatitis, and folliculitis. Genome sequences of Malassezia globosa, Malassezia sympodialis, and Malassezia pachydermatis lack genes related to fatty acid synthesis. Here, lipid synthesis pathways of M. furfur, M. pachydermatis, M. globosa, M. sympodialis and an atypical variant of M. furfur were reconstructed using genome data and Constraints Based Reconstruction and Analysis. The metabolic reconstruction allowed us to predict variation in the fluxes of each reaction over the network to satisfy the biomass objective function. Proteomic profiling improved and validated the models through data integration. Results suggest that several mechanisms including steroid and butanoate metabolism explain the yeast’s growth under different lipid conditions. Flux differences were observed in production of riboflavin in M. furfur and the biosynthesis of glycerolipids in the atypical variant of M. furfur and Malassezia sympodialis.

OTHER RELATED OMICS DATASETS IN: PRJNA288787PRJNA322049

INSTRUMENT(S): Q Exactive

ORGANISM(S): Malassezia Furfur Malassezia Globosa Malassezia Pachydermatis Malassezia Sympodialis

SUBMITTER: Sergio Triana  

LAB HEAD: Adriana Celis

PROVIDER: PXD004523 | Pride | 2017-10-02

REPOSITORIES: Pride

Dataset's files

Source:
Action DRS
GPM00500044326.mzid Mzid
GPM00500044326.mzid_GPM00500044326.MGF Mzid
GPM00500044327.mzid Mzid
GPM00500044327.mzid_GPM00500044327.MGF Mzid
GPM00500044328.mzid Mzid
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Publications

Lipid Metabolic Versatility in <i>Malassezia</i> spp. Yeasts Studied through Metabolic Modeling.

Triana Sergio S   de Cock Hans H   Ohm Robin A RA   Danies Giovanna G   Wösten Han A B HAB   Restrepo Silvia S   González Barrios Andrés F AF   Celis Adriana A  

Frontiers in microbiology 20170914


<i>Malassezia</i> species are lipophilic and lipid-dependent yeasts belonging to the human and animal microbiota. Typically, they are isolated from regions rich in sebaceous glands. They have been associated with dermatological diseases such as seborrheic dermatitis, pityriasis versicolor, atopic dermatitis, and folliculitis. The genomes of <i>Malassezia globosa</i>, <i>Malassezia sympodialis</i>, and <i>Malassezia pachydermatis</i> lack the genes related to fatty acid synthesis. Here, the lipid  ...[more]

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