2.4.1.109 dolichyl beta-D-mannosyl phosphate + L-seryl-[protein] - 2.4.1.109 dolichyl beta-D-mannosyl phosphate + L-threonyl-[protein] - 2.4.1.109 dolichyl phosphate D-mannose + alpha-dystroglycan in vitro asssay with both enzyme isoforms (RT and TW), 20 mM Tris, pH 8.0, mercaptoethanol, EDTA, n-octyl-beta-D-thioglucoside, sugar donor is tritium-labeled, alpha-dystroglycan isoform C contains mucin-type domain that is target of O-mannose modifications in mammals, high grade of O-mannosylation, A isoform without noticeable O-mannosylation, rabbit alpha-dystroglycan as positive control shows lower O-mannosylation 2.4.1.109 dolichyl phosphate D-mannose + glucoamylase I the AaPmtA protein is involved in the formation of the normal cell wall. AaPmtA protein is responsible for the transfer of mannose to glucoamylase I 2.4.1.109 dolichyl phosphate D-mannose + protein - 2.4.1.109 dolichyl phosphate D-mannose + protein acceptor substrate specificities of PMT1-4,6 2.4.1.109 dolichyl phosphate D-mannose + protein acceptor substrates: secretory proteins 2.4.1.109 dolichyl phosphate D-mannose + protein production of cell-wall mannoproteins 2.4.1.109 dolichyl phosphate D-mannose + protein catalyzes the initial step of O-mannosyl glycan biosynthesis 2.4.1.109 dolichyl phosphate D-mannose + protein central role for Pmt4-mediated protein O-mannosylation in growth, cell wall integrity, and virulence of Cryptococcus neoformans 2.4.1.109 dolichyl phosphate D-mannose + protein O-glycosylation initiated by Ogm proteins plays crucial physiological roles and can serve as a sorting determinant for protein transport of membrane glycoproteins. None of the ogm genes is found to be essential 2.4.1.109 dolichyl phosphate D-mannose + protein O-glycosylation initiated by Ogm proteins plays crucial physiological roles and can serve as a sorting determinant for protein transport of membrane glycoproteins. None of the ogm genes is found to be essential. ogm4D mutants differ morphologically from wild type and exhibit defects in sexual agglutination 2.4.1.109 dolichyl phosphate D-mannose + protein O-glycosylation initiated by Ogm proteins plays crucial physiological roles and can serve as a sorting determinant for protein transport of membrane glycoproteins. While none of the ogm genes is found to be essential, ogm1D mutants differ morphologically from wildtype and exhibit defects in sexual agglutination. O-glycosylation of chitinase from Saccharomyces cerevisiae is decreased in ogm1D cells 2.4.1.109 dolichyl phosphate D-mannose + protein protein O-mannosylation is crucial for cell wall integrity, septation and viability 2.4.1.109 dolichyl phosphate D-mannose + protein role of O-glycosylation in the control of folding of secretory proteins in the endoplasmic reticulum 2.4.1.109 dolichyl phosphate D-mannose + protein Aga2 i.e. small-agglutinin 2.4.1.109 dolichyl phosphate D-mannose + protein Aga2 activity is not affected by disruption mutations of PMT1-4 2.4.1.109 dolichyl phosphate D-mannose + protein Aga2 protein is located at the cell surface 2.4.1.109 dolichyl phosphate D-mannose + protein AN5660 the un-glycosylated 32 kDa protein is an ortholog of Wsc family proteins in Saccharomyces cerevisiae, these proteins serve as sensors of stress, such as high temperature and cell wall-perturbing chemicals 2.4.1.109 dolichyl phosphate D-mannose + protein Bar1 PMT1 and PMT2, not PMT3 and PMT4 2.4.1.109 dolichyl phosphate D-mannose + protein Bar1 protein is located in the medium 2.4.1.109 dolichyl phosphate D-mannose + protein chitinase 1 PMT1 2.4.1.109 dolichyl phosphate D-mannose + protein chitinase 1 PMT1, PMT4, PMT6 and especially PMT2, not PMT3 2.4.1.109 dolichyl phosphate D-mannose + protein chitinase 1 protein is located in the cell wall and medium 2.4.1.109 dolichyl phosphate D-mannose + protein Ggp1/Gas1 PMT4 and PMT6, not PMT1-3 2.4.1.109 dolichyl phosphate D-mannose + protein Ggp1/Gas1 protein is located at the cell surface 2.4.1.109 dolichyl phosphate D-mannose + protein Kex2 PMT4, not PMT1-3 2.4.1.109 dolichyl phosphate D-mannose + protein Kex2 protein is located in the Golgi apparatus 2.4.1.109 dolichyl phosphate D-mannose + protein Kre9 mainly PMT1 and PMT2, not PMT3 and PMT4 2.4.1.109 dolichyl phosphate D-mannose + protein Kre9 protein is located in the Golgi apparatus 2.4.1.109 dolichyl phosphate D-mannose + protein Pir2/hsp150 PMT1 2.4.1.109 dolichyl phosphate D-mannose + protein Pir2/hsp150 PMT1, PMT2, and to some extent PMT4, not PMT3 2.4.1.109 dolichyl phosphate D-mannose + protein Pir2/hsp150 protein is located in the medium 2.4.1.109 dolichyl phosphate D-mannose + ribonuclease 2 C-mannosylation activity 2.4.1.109 dolichyl phosphate D-mannose + ribonuclease 2 biosynthetic pathway 2.4.1.109 additional information defective mutants are used to investigate the substrate specificities of PMT1-4,6 in vivo 2.4.1.109 additional information PMT2 is essential for growth 2.4.1.109 additional information PMT4 is required for full virulence of Candida albicans 2.4.1.109 additional information PMT5 does not make a significant contribution to virulence 2.4.1.109 additional information protein mannosyltransferases (Pmt proteins Pmt1p, Pmt2p, Pmt4p, Pmt5p, and Pmt6p) initiate O mannosylation of secretory proteins. Virulence of the fungal pathogen Candida albicans requires the five isoforms of protein mannosyltransferases. The importance of individual Pmt isoforms may differ in specific host niches 2.4.1.109 additional information protein O-mannosyltransferase isoforms regulate biofilm formation in Candida albicans 2.4.1.109 additional information Afpmt1 acts as an O-mannosyltransferase. Characterization of the DELTAAfpmt1 mutant shows that a lack of AfPmt1p results in sensitivity to elevated temperature and defects in growth and cell wall integrity, thereby affecting cell morphology, conidium formation, and germination. In a mouse model, Afpmt1 is not required for the virulence of Aspergillus fumigatus 2.4.1.109 additional information although the improved secretion of the protein by suppression of O mannosylation might not be a general phenomenon, the suppression of O mannosylation could be beneficial for the production of proteins forming either homomeric or heteromeric complexes through their hydrophobic interaction in yeast 2.4.1.109 additional information disruption of the pmt1 gene decreased protein secretion but has no effect on glycosylation of secreted proteins. PMTI protein O-mannosyltranferase does not take part in glycosylation of these proteins 2.4.1.109 additional information O-mannosylation of specific secretory proteins of the bacterial pathogen Mycobacterium tuberculosis contributes significantly to virulence 2.4.1.109 additional information O-mannosylation of specific secretory proteins of the human fungal pathogen Candida albicans contributes significantly to virulence 2.4.1.109 additional information O-mannosylation of specific secretory proteins of the human fungal pathogen Candida albicans contributes significantly to virulence. PMT2 is essential for growth. Loss of a single PMT2 allele already sufficed to significantly retarded growth