The pH was adjusted to 5.7 and, unless otherwise noted, the cultures were maintained at 25C under cool-white fluorescent light (40lmol/m2/s) with a 16 h photoperiod. The cultures were grown on a gyratory shaker (75 rpm).
The pH was adjusted to 5.7 and, unlessotherwise noted, the cultures were maintained at 25Cunder cool-white fluorescent light (40lmol/m2/s) with a16 h photoperiod. The cultures were grown on a gyratoryshaker (75 rpm).