Cell-Type-Specific H⁺-ATPase Activity in Root Tissues Enables K⁺ Retention and Mediates Acclimation of Barley (Hordeum vulgare) to Salinity Stress

• Published in: Plant physiology (Bethesda) Vol. 172; no. 4; pp. 2445 - 2458
• Main Authors: Shabala, Lana, Zhang, Jingyi, Pottosin, Igor, Bose, Jayakumar, Zhu, Min, Fuglsang, Anja Thoe, Velarde-Buendia, Ana, Massart, Amandine, Hill, Camilla Beate, Roessner, Ute, Bacic, Antony, Wu, Honghong, Azzarello, Elisa, Pandolfi, Camilla, Zhou, Meixue, Poschenrieder, Charlotte, Mancuso, Stefano, Shabala, Sergey
• Format: Journal Article
• Language: English
• Published: United States American Society of Plant Biologists 01.12.2016
• Subjects: Acclimatization - drug effects; Allantoin - pharmacology; Cations - metabolism; Hordeum - drug effects; Hordeum - enzymology; Hordeum - physiology; MEMBRANES, TRANSPORT, AND BIOENERGETICS; Metabolome - drug effects; Metabolomics; Models, Biological; Organ Specificity - drug effects; Plant Epidermis - cytology; Plant Epidermis - drug effects; Plant Epidermis - metabolism; Plant Roots - drug effects; Plant Roots - enzymology; Plant Roots - growth & development; Plant Roots - physiology; Potassium - metabolism; Proton-Translocating ATPases - metabolism; Reactive Oxygen Species - metabolism; Salinity; Sodium - metabolism; Sodium Chloride - pharmacology; Stress, Physiological - drug effects

While the importance of cell type specificity in plant adaptive responses is widely accepted, only a limited number of studies have addressed this issue at the functional level. We have combined electrophysiological, imaging, and biochemical techniques to reveal the physiological mechanisms conferri...