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  • Title: Analysis of the proteins involved in the structure and synthesis of the cell wall of Ustilago maydis.
    Author: Ruiz-Herrera J, Ortiz-Castellanos L, Martínez AI, León-Ramírez C, Sentandreu R.
    Journal: Fungal Genet Biol; 2008 Aug; 45 Suppl 1():S71-6. PubMed ID: 18508396.
    Abstract:
    A study of the proteins involved in the synthesis and structure of the cell wall of Ustilago maydis was made by in silico analysis of the fungal genome, with reference to supporting experimental evidence. The composition of the cell wall of U. maydis shows similarities with the structural composition of the walls of Ascomycetes, but also shows important differential features. Accordingly, the enzymes involved in the synthesis of the U. maydis wall polysaccharides chitin and beta-1,6 glucans displayed some differential characteristics. The most salient difference in protein composition was the predicted absence of Pir proteins, an important class of proteins present in the Ascomycetes. Other classes of proteins that are covalently-linked to the wall in Ascomycetes, including those bound through disulfide linkages, joined by alkali-labile bonds, and GPI proteins, were predicted to be present in the U. maydis walls. The main characteristic of the exo-cellular, non-covalently-bound proteins was their relative low number, especially for hydrolytic enzymes.
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