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Tomoyuki Yamaya

Researcher at Tohoku University

Publications -  146
Citations -  11249

Tomoyuki Yamaya is an academic researcher from Tohoku University. The author has contributed to research in topics: Glutamine synthetase & Glutamate synthase. The author has an hindex of 59, co-authored 145 publications receiving 10262 citations. Previous affiliations of Tomoyuki Yamaya include McMaster University & Okayama University.

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The Electronic Plant Gene Register

TL;DR: The sequences have been beendeposited in GenBank and the articles listed online through the World Wide Web have been listed on GenBank.
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Arabidopsis CYP735A1 and CYP735A2 Encode Cytokinin Hydroxylases That Catalyze the Biosynthesis of trans-Zeatin

TL;DR: Root-specific induction of CYP735A2 expression by CK suggests that the trans-hydroxylation is involved in the regulation of CK metabolism and signaling in roots.
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AtIPT3 is a Key Determinant of Nitrate-Dependent Cytokinin Biosynthesis in Arabidopsis

TL;DR: It is suggested that nitrogen availability differentially regulates expression of At IPT3 and AtIPT5, and that AtIPt3 is a key determinant of cytokinin biosynthesis in response to rapid changes in the availability of NO(3)(-).
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Two distinct high‐affinity sulfate transporters with different inducibilities mediate uptake of sulfate in Arabidopsis roots

TL;DR: It is reported that uptake of sulfate at the outermost cell layers of Arabidopsis root is associated with the functions of highly and low-inducible sulfate transporters, Sultr1;1 and SultR1;2, respectively.
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Assimilation of ammonium ions and reutilization of nitrogen in rice (Oryza sativa L.)

TL;DR: Overexpression studies together with age- and cell type-specific expression strongly suggest that NADH-GOGAT1 is important for the reutilization of transported Gln in developing organs.