1887

Abstract

requires Mg for germ-tube formation. Mg-deficient media, metal ion chelators and the ionophore A23187 inhibited germ-tube formation. Cell Mg content during exponential yeast-phase growth remained constant but increased throughout germ-tube formation. The onset of germ-tube formation coincided with a sharp peak in Mg concentration within the cells. Yeast-phase cells of strain CA2, which did not form germ-tubes, had a lower Mg content and failed to accumulate Mg when incubated under conditions for germ-tube formation. Mg also increased the uptake and incorporation of -acetylglucosamine. These findings point to a central regulatory role for Mg in morphogenesis.

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/content/journal/micro/10.1099/00221287-130-8-1941
1984-08-01
2019-10-14
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