Phytepsin, a barley vacuolar aspartic proteinase, is highly expressed during autolysis of developing tracheary elements and sieve cellsRuneberg-Roos, Pia; Saarma, MartPlant journal1998 / p. 139-145 The Arabidopsis ROCK-N-ROLLERS gene encodes a homolog of the yeast ATP-dependent DNA helicase MER3 and is required for normal meiotic crossover formationChen, Changlin; Zhang, Wei; Timofejeva, Ljudmilla; Gerardin, Ylaine; Ma, HongPlant journal2005 / 3, p. 321-334