... Arabidopsis and barley cDNA encod-ing HAK potassium transporters in root and shootcells. Physiol Plant 109, 34–43.50 Shabala L, Cuin TA, Newman IA & Shabala S (2005)Salinity-induced ion flux patterns ... provide information for the functional analysis ofplant DEVH box RNA helicases, and suggest that AtHELPS, as an impor-tant negative regulator, plays a role in K+deprivation stress.AbbreviationsABA, ... suchas salt, osmotic stress, heat stress, and ABA [23].These investigations indicate that DEAD box RNAhelicases may play an important role in building resis-tance to abiotic stress during plant...