The FKS family genes cause changes in cell wall morphology resulted in regulation of anti-autolytic ability in Saccharomyces cerevisiae.

The aim of this study was to discuss the functions of FKS family genes which encode β-1, 3-glucan synthase regarding the viability and autolysis of yeast strain. Loss of FKS1 gene severely influences the viability and anti-autolytic ability of yeast. Mutation of FKS1 and FKS2 genes led to cell reconstruction, resulting in a sharp shrinkage of cell volume and decreased stress resistance, viability, and anti-autolytic ability. Deletion of FKS3 gene did not clearly influence the synthesis of β-1, 3-glucan of yeast but increased the strain's stress resistance, viability, and anti-autolytic ability. It is suggested that FKS3 would be the potential target for improving the stress resistance of yeast. The results revealed the relationship among FKS family genes and demonstrated their functions on yeast cell wall construction and anti-autolytic ability.

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