Keiki Ishiyama

The Organization of High-Affinity Ammonium Uptake in <i>Arabidopsis</i> Roots Depends on the Spatial Arrangement and Biochemical Properties of AMT1-Type Transporters

Lixing Yuan, Dominique Loqué, Soichi Kojima et al. · The Plant Cell · 2007 · 391 citations · Full text

Botany, Genetics, Ammonium Supply +18

Severe reduction in growth rate and grain filling of rice mutants lacking OsGS1;1, a cytosolic glutamine synthetase1;1

Mayumi Tabuchi, Kenjiro Sugiyama, Keiki Ishiyama et al. · The Plant Journal · 2005 · 306 citations

Additive contribution of AMT1;1 and AMT1;3 to high‐affinity ammonium uptake across the plasma membrane of nitrogen‐deficient Arabidopsis roots

Dominique Loqué, Lixing Yuan, Soichi Kojima et al. · The Plant Journal · 2006 · 251 citations · Full text

Kinetic Properties and Ammonium-dependent Regulation of Cytosolic Isoenzymes of Glutamine Synthetase in Arabidopsis

Keiki Ishiyama, Eri Inoue, Akiko Watanabe‐Takahashi et al. · Journal of Biological Chemistry · 2004 · 193 citations · Full text

Overexpression of AtCpNifS Enhances Selenium Tolerance and Accumulation in Arabidopsis

Douglas Van Hoewyk, Gulnara F. Garifullina, Ashley R. Ackley et al. · PLANT PHYSIOLOGY · 2005 · 165 citations · Full text