This is an early access version, the complete PDF, HTML, and XML versions will be available soon. Open AccessReview by 1,†, 2,3,†, 2, 1, 1, 2 and 1,* 1 Department of Plant Biology, University of Szeged, Közép fasor 52, H6726 Szeged, Hungary 2 Department of Biotechnology, University of Szeged, Közép fasor 52, H6726 Szeged, Hungary 3 Institute of Biophysics, Biological Research Centre, Szeged, Temesvári krt. 62, H6726 Szeged, Hungary * Author to whom correspondence should be addressed.