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Morphogenic effect of 2-deoxy-D-arabino-hexose on Rhodosporidium toruloides. 1979

M Sipiczki, and V Farkas

The presence of 2-deoxy-D-arabino-hexose in the growth medium caused marked morphological changes in the cells of Rhodosporidium toruloides. The originally elongated ellipsoidal cells grew spherically in the presence of the deoxy-sugar, displayed differences in cell division and separation, and were larger than the control cells. After exhaustion of glucose from the medium the cells died, although no lysis was observed. The morphological changes were accompanied by significant alterations in the carbohydrate composition of the cell wall. The wall of R. toruloides grown in the presence of the deoxy-sugar contains higher proportions of chitin and glucan, while the relative contents of mannose and galactose polymers decreased drastically in comparison to normal cells.

UI MeSH Term Description Entries
D002455 Cell Division The fission of a CELL. It includes CYTOKINESIS, when the CYTOPLASM of a cell is divided, and CELL NUCLEUS DIVISION. M Phase,Cell Division Phase,Cell Divisions,Division Phase, Cell,Division, Cell,Divisions, Cell,M Phases,Phase, Cell Division,Phase, M,Phases, M
D003837 Deoxy Sugars Sugars that in which one or more hydroxyl groups of the pyranose or furanose ring is substituted by hydrogen. Deoxy Sugar,Sugar, Deoxy,Sugars, Deoxy
D003847 Deoxyglucose 2-Deoxy-D-arabino-hexose. An antimetabolite of glucose with antiviral activity. 2-Deoxy-D-glucose,2-Deoxyglucose,2-Desoxy-D-glucose,2 Deoxy D glucose,2 Deoxyglucose,2 Desoxy D glucose
D001487 Basidiomycota A phylum of fungi that produce their sexual spores (basidiospores) on the outside of the basidium. It includes forms commonly known as mushrooms, boletes, puffballs, earthstars, stinkhorns, bird's-nest fungi, jelly fungi, bracket or shelf fungi, and rust and smut fungi. Basidiomycetes,Basidiomycete,Basidiomycotas
D014587 Ustilaginales An order of basidiomycetous fungi; some species are parasitic on grasses (POACEAE) and maize. Ustilaginale

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