Article
Role of a mitogen-activated protein kinase cascade in ion flux-mediated turgor regulation in fungi.
Eukaryotic cell - 1 Mar 2006
Lew Roger R, Levina Natalia N, Shabala Lana, Anderca Marinela I, Shabala Sergey N
Abstract excerpt
Fungi normally maintain a high internal hydrostatic pressure (turgor) of about 500 kPa. In response to hyperosmotic shock, there are immediate electrical changes: a transient depolarization (1 to 2 min) followed by a sustained hyperpolarization (5 to 10 min) prior to turgor recovery (10 to 60 min). Using ion-selective vibrating probes, we established that the transient depolarization is due to Ca(2+) influx and...
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