Glutamate: A multifunctional amino acid in plants

HS Liao, YH Chung, MH Hsieh - Plant Science, 2022 - Elsevier
Glutamate (Glu) is a versatile metabolite and a signaling molecule in plants. Glu
biosynthesis is associated with the primary nitrogen assimilation pathway. The conversion …

Assimilation of ammonium ions and reutilization of nitrogen in rice (Oryza sativa L.)

M Tabuchi, T Abiko, T Yamaya - Journal of experimental botany, 2007 - academic.oup.com
A major source of inorganic nitrogen for rice plants grown in paddy soil is ammonium ions.
The ammonium ions are actively taken up by the roots via ammonium transporters and …

NaCl effects on proline metabolism in rice (Oryza sativa) seedlings

S Lutts, V Majerus, JM Kinet - Physiologia Plantarum, 1999 - Wiley Online Library
Salt‐stress effects on osmotic adjustment, ion and proline concentrations as well as proline
metabolizing enzyme activities were studied in two rice (Oryza sativa L.) cultivars differing in …

Distinct Expression and Function of Three Ammonium Transporter Genes (OsAMT1;1 – 1;3) in Rice

Y Sonoda, A Ikeda, S Saiki, N Wirén… - Plant and Cell …, 2003 - academic.oup.com
To study the regulation of ammonium uptake into rice roots, three ammonium transporter
genes (OsAMT1; 1, 1; 2 and 1; 3; O ryza s ativa am monium t ransporter) were isolated and …

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

M Tabuchi, K Sugiyama, K Ishiyama, E Inoue… - The Plant …, 2005 - Wiley Online Library
Rice (Oryza sativa L.) plants possess three homologous but distinct genes for cytosolic
glutamine synthetase (GS1): these are OsGS1; 1, OsGS1; 2, and OsGS1; 3. OsGS1; 1 was …

Glutamate synthase and the synthesis of glutamate in plants

PJ Lea, BJ Miflin - Plant Physiology and Biochemistry, 2003 - Elsevier
The discovery of glutamate synthases (EC 1.4. 1.13 and EC 1.4. 7.1) caused a major re-
assessment of the way in which ammonium is assimilated in bacteria and higher plants. The …

Proline accumulation and glutamine synthetase activity are increased by salt-induced proteolysis in cashew leaves

JAG Silveira, R de Almeida Viégas… - Journal of plant …, 2003 - Elsevier
In this study cashew (Anacardium occidentale) plants were exposed to a short-and long-
term exposure to NaCl in order to establish the importance of the salt-induced proteolysis …

Three polarly localized ammonium transporter 1 members are cooperatively responsible for ammonium uptake in rice under low ammonium condition

N Konishi, JF Ma - New Phytologist, 2021 - Wiley Online Library
Ammonium is a preferential nitrogen form for rice (Oryza sativa) grown in paddy field, but the
molecular mechanisms for ammonium uptake have not been well understood. We …

The challenge of remobilisation in plant nitrogen economy. A survey of physio‐agronomic and molecular approaches

C MASCLAUX, I Quillere, A GALLAIS… - Annals of applied …, 2001 - Wiley Online Library
In this article, we discuss the ways in which our understanding of the controls of nitrogen
remobilisation in model species and crop plants have been increased through classical …

Differential regulation of three functional ammonium transporter genes by nitrogen in root hairs and by light in leaves of tomato

N Von Wirén, FR Lauter, O Ninnemann… - The Plant …, 2000 - Wiley Online Library
To elucidate the role of transporters in N nutrition of tomato, two new transporter genes were
isolated from cDNA libraries of root hairs or leaves of tomato. While LeAMT1; 2 is closely …