Reference: Jiang B, et al. (1996) CWH41 encodes a novel endoplasmic reticulum membrane N-glycoprotein involved in beta 1,6-glucan assembly. J Bacteriol 178(4):1162-71

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Abstract


CWH41 encodes a novel type II integral membrane N-glycoprotein located in the endoplasmic reticulum. Disruption of the CWH41 gene leads to a K1 killer toxin-resistant phenotype and a 50% reduction in the cell wall beta 1,6-glucan level. CWH41 also displays strong genetic interactions with KRE1 and KRE6, two genes known to be involved in the beta 1,6-glucan biosynthetic pathway. The cwh41 delta kre6 delta double mutant is nonviable; and the cwh41 delta kre1 delta double mutation results in strong synergistic defects, with a severely slow-growth phenotype, a 75% reduction in beta 1,6-glucan level, and the secretion of a cell wall glucomannoprotein, Cwp1p. These results provide strong genetic evidence indicating that Cwh41p plays a functional role, possibly as a new synthetic component, in the assembly of cell wall beta 1,6-glucan.

Reference Type
Journal Article | Research Support, Non-U.S. Gov't
Authors
Jiang B, Sheraton J, Ram AF, Dijkgraaf GJ, Klis FM, Bussey H
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