Article
T-DNA Tagging-Based Gain-of-Function of OsHKT1;4 Reinforces Na Exclusion from Leaves and Stems but Triggers Na Toxicity in Roots of Rice Under Salt Stress.
International journal of molecular sciences - 12 Jan 2018
Oda Yuuka, Kobayashi Natsuko I, Tanoi Keitaro, Ma Jian Feng, Itou Yukiko, Katsuhara Maki, Itou Takashi, Horie Tomoaki
Abstract excerpt
The high affinity K⁺ transporter 1;4 (HKT1;4) in rice (Oryza sativa), which shows Na⁺ selective transport with little K⁺ transport activity, has been suggested to be involved in reducing Na in leaves and stems under salt stress. However, detailed physiological roles of OsHKT1;4 remain unknown. Here, we have characterized a transfer DNA (T-DNA) insertion mutant line of rice, which overexpresses OsHKT1;4, owing to...
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